Knowledge (XXG)

Milk shark

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217: 747: 31: 438: 1068: 75: 1135:). In the 1980s and early 1990s, stock assessments of the milk shark off India's Veraval coast concluded catches by gillnet and trawl fisheries were below the maximum sustainable level. However, these studies were based on methodologies that have subsequently been proven unreliable for shark populations. Moreover, fishing pressure in the region has increased substantially since the assessments were conducted. 50: 953:. The details of its life history vary across different parts of its range. Females generally produce young every year, though some give birth every other year or even every third year. Mating and parturition take place in spring or early summer (April to July) off western and southern Africa, and in winter off 1103:
across its range. Off northern Australia, it ranks among the most common sharks caught in trawls, and comprises 2% and 6% of the annual gillnet and longline catches, respectively. This species is also one of the most commercially important sharks caught off Senegal, Mauritania, Oman, and India. Some
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is well-developed and the upper lobe has a ventral notch near the tip. This shark is plain gray, brown-gray, or purple-gray above, and white below. The leading edge of the first dorsal fin and the trailing edge of the caudal fin may be dark, and the trailing edges of the pectoral fins may be light.
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have been calculated as 10 cm (3.9 in) in the first year, 9 cm (3.5 in) in the second year, 7 cm (2.8 in) in the third year, 6 cm (2.4 in) in the fourth year, 5 cm (2.0 in) in the fifth year, and 3–4 cm (1.2–1.6 in) per year from then on.
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is about twice as long as the second dorsal fin and preceded by long ridges. The first dorsal fin originates over the pectoral fin free rear tips, and the much smaller second dorsal fin originates over the last third of the anal fin base. The dorsal fins do not have a ridge between them. The lower
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The litter size ranges from one to eight, with two to five being typical, increasing with female size. In Omanese waters, females on average outnumber males in a litter by more than 2:1, and all-female litters are not uncommon. Similar but less extreme sex imbalances have also been reported from
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Males and female milk sharks mature at lengths of 84–95 cm (33–37 in) and 89–100 cm (35–39 in) respectively off West Africa, 68–72 cm (27–28 in) and 70–80 cm (28–31 in) respectively off southern Africa, and 63–71 cm (25–28 in) and 62–74 cm
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are small, as are the adjacent triangular skin flaps. There are long furrows at the corners of the mouth on both the upper and lower jaws. The tooth rows number 24–25 in both jaws. The upper teeth are finely serrated and strongly oblique; the lower teeth have a similar shape, though the
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the milk shark has been reported to reach 1.78 m (5.8 ft) and 22 kg (49 lb) for males, and 1.65 m (5.4 ft) and 17 kg (37 lb) for females, though there is uncertainty regarding the species identity of these specimens. Even if accepted, these figures are
362:. The milk shark has a slender body with a long, pointed snout and large eyes, and is a nondescript gray above and white below. This shark can be distinguished from similar species in its range by the long furrows at the corners of its mouth, and seven to 15 enlarged pores just above them. 1022:, carrying a fetus only 23.7 cm (9.3 in) long that was already nearly fully developed, long before gestation was complete. Pregnant females make use of inshore nursery areas to give birth, taking advantage of the warmer waters and abundant food; known nursery areas include the 965:
waters; in the Herald Bight of Shark Bay, the number of newborns peaks in April and again in July. One proposed explanation for the lack of reproductive seasonality in these subpopulations is a lengthier and/or more complex reproductive cycle than has been detected (such as a
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filaments develop and the yolk sac begins to be resorbed, the embryo ingesting histotroph (a nutritious substance secreted by the mother) in the meantime. In the third phase, lasting six to eight months, the depleted yolk sac is converted into a
536:. Other names for this species include fish shark, grey dog shark, little blue shark, Longmans dogshark, milk dog shark, sharp-nosed (milk) shark, Walbeehm's sharp-nosed shark, and white-eye shark. A 1992 1507:
White, W.T.; M.E. Platell & I.C. Potter (March 2004). "Comparisons between the diets of four abundant species of elasmobranchs in a subtropical embayment: implications for resource partitioning".
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has listed the milk shark as vulnerable. The reproductive characteristics of this species suggests it is capable of withstanding a somewhat high level of exploitation, though not as much as the
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Valadou, B.; J. Brethes & C.A.O. Inejih (December 31, 2006). "Biological and ecological data of five elasmobranch species from the waters of the Banc d'Arguin National Park (Mauritania)".
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Bass, A.J.; J.D. D’Aubrey & N. Kistnasamy (1975). "Sharks of the east coast of southern Africa. III. The families Carcharhinidae (excluding Mustelus and Carcharhinus) and Sphyrnidae".
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Young sharks are typically born at a length of 32.5–50.0 cm (12.8–19.7 in) and weigh 127–350 g (0.280–0.772 lb). There is an atypical record of a female, caught off
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of the embryos takes around a year and proceeds in three phases. In the first phase, lasting two months to an embryonic length of 63–65 mm (2.5–2.6 in), the embryo relies on
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White, W.T. & I.C. Potter (October 2004). "Habitat partitioning among four elasmobranch species in nearshore, shallow waters of a subtropical embayment in Western Australia".
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Salini, J.P.; S.J.M. Blaber & D.T. Brewer (1990). "Diets of piscivorous fishes in a tropical Australian estuary, with special reference to predation on penaeid prawns".
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considered exceptional and most individuals do not exceed 1.1 m (3.6 ft) in length. Generally, females are heavier and attain a greater maximum size than males.
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or throughout the year, depending on location. The reproductive cycle is usually annual, but may be biennial or triennial. Large numbers of milk sharks are caught by
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Simpfendorfer, C.A. & N.E. Milward (August 1993). "Utilisation of a tropical bay as a nursery area by sharks of the families Carcharhinidae and Sphyrnidae".
3001: 3176: 3107: 2936: 2026: 3120: 2975: 1347:"The phylogenetic relationships among requiem and hammerhead sharks: inferring phylogeny when thousands of equally most parsimonious trees result" 3014: 1458: 1034:, as well as in seagrass beds where they are sheltered from predators by the dense, tall vegetation. The sharks move out of these coastal 3196: 3191: 1622:
Cadenat, J. & J. Blache (1981). "Requins de Méditerranée et d'Atlantique (plus particulièrement de la côte occidentale d'Afrique)".
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Fowler, S.L.; R.D. Cavanagh; M. Camhi; G.H. Burgess; G.M. Cailliet; S.V. Fordham; C.A. Simpfendorfer & J.A. Musick (2005).
1030:, and Cleveland Bay and Herald Bight off Australia. In Herald Bight, large groups of small milk sharks can be found in shallow 3125: 2980: 1023: 970:
in embryonic development, though there is presently no evidence of this occurring). Females do not store sperm internally.
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Identifying features of the milk shark are the long furrows at the corners of its mouth, and the enlarged pores above them.
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and eastern India. The reason for this imbalance is unknown, and it has not been observed in related species such as the
74: 3186: 2019: 1046:(24–29 in) respectively off Oman. These discrepancies in maturation size may be a result of regional variation or 342:
regions. Occurring from the surface to a depth of 200 m (660 ft), this species is common near beaches and in
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to a depth of 200 m (660 ft), the milk shark favors turbid water off sandy beaches and occasionally enters
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Henderson, A.C.; J.L. McIlwain; H.S. Al-Oufi & A. Ambu-Ali (June 2006). "Reproductive biology of the milk shark
604:. Since 1985, there have been four occurrences, temporally and spatially distinct, of the milk shark in the central 437: 2698: 2259: 1658:
Capape, C.; Y. Diatta; M. Diop; O. Guelorget; Y. Vergne & J. Quignard (2006). "Reproduction in the milk shark,
1128: 3006: 1087:, and hook-and-line, this shark is marketed fresh or dried and salted for human consumption, and is also used for 2823: 2689: 2662: 2376: 903: 2863: 2707: 979: 891:. Smaller sharks eat proportionately more cephalopods and crustaceans, switching to fish as they grow older. 3181: 2740: 2671: 2189: 2012: 1988:. International Union for Conservation of Nature and Natural Resources. p. 92–93, 146–147. 458: 774:. On each side of the head behind the corner of the jaw, there are usually seven to 15 enlarged pores. The 675:, when eastern Atlantic sharks were isolated from Indo-Pacific sharks by the collision of Asia and Africa. 2785: 2286: 1692: 1662:(Ruppell, 1837) (Chondrichthyes: Carcharhinidae), from the coast of Senegal (eastern tropical Atlantic)". 821: 771: 3133: 2876: 2596: 2524: 2467: 700: 545: 189: 1437: 3151: 3045: 2897: 2832: 2680: 2449: 2385: 2322: 2198: 1120: 1105: 1047: 763: 746: 2764: 2755: 2304: 1912:
Krishnamoorthi, B. & I. Jagadis (1986). "Biology and population dynamics of the grey dogshark,
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serrations are smaller and the tips curve gently upward. The teeth of juveniles are smooth-edged.
2431: 1891: 1851: 1722: 1524: 1387: 1100: 490: 410: 229: 69: 54: 3138: 216: 2967: 330:, the milk shark typically measures 1.1 m (3.6 ft) long, and can be found in coastal 3081: 3027: 2884: 2837: 2241: 2079: 1989: 1745: 1553: 1484: 1454: 1413: 1379: 1294: 1262: 1039: 734:, South Africa, its numbers fluctuate annually with a peak in summer, suggesting some form of 691: 625: 605: 450: 206: 146: 2850: 961:
parturition occurs year-round with a peak in spring. Parturition also occurs continuously in
3032: 2491: 2482: 2458: 2205: 1883: 1843: 1714: 1695:. Florida Museum of Natural History Ichthyology Department. Retrieved on September 10, 2009. 1601: 1516: 1369: 1361: 1209: 1076: 1056: 672: 386: 308: 2993: 1549: 2731: 2572: 2563: 2367: 2349: 2340: 2250: 2232: 2135: 2108: 2099: 1259:
Sharks of the World: An Annotated and Illustrated Catalogue of Shark Species Known to Date
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Among the most abundant sharks within its range, the milk shark feeds primarily on small
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most) abundant near-shore sharks within its range, the milk shark feeds mainly on small
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The milk shark is harmless to humans because of its small size and teeth. Caught using
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Setna, S.B. & Sarangdhar, P.N. (1949). "Breeding habits on Bombay elasmobranchs".
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The milk shark has a slender build with a long, pointed snout, large, round eyes with
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Rigby, C.L.; Harry, A.V.; Pacoureau, N.; Herman, K.; Hannan, L.; Derrick, D. (2020).
1152: 929:. There is some evidence that male and female milk sharks segregate from each other. 911: 884: 731: 637: 502: 382: 311: 304: 156: 59: 1895: 1855: 1788:
Devadoss, P. (1988). "Observations on the breeding and development of some sharks".
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to protect beaches has led to a recent increase in milk shark numbers. A known
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connection. Females give birth to one to eight young either during a defined
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Investigative Report of the Oceanographic Research Institute of South Africa
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Many predators feed on the milk shark, including larger sharks such as the
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Large numbers of milk sharks are caught commercially and sold as food.
473:). It has since been listed under several different genera, including 2858: 2049: 1019: 1015:
connection through which the fetus receives nourishment until birth.
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https://ciesm.org/atlas/fishes_2nd_edition/Rhizoprionodon_acutus.pdf
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Sharks, Rays and Chimaeras: The Status of the Chondrichthyan Fishes
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from heavy fishing pressure. The growth rate for milk sharks off
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published the first scientific description of the milk shark, as
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The age at maturation is thought to be 2–3 years, and the
1007: 991: 958: 840: 2902: 2783: 2008: 1261:. Rome: Food and Agricultural Organization. pp. 525–526. 1185: 1183: 1181: 1179: 1177: 1175: 1035: 867:; this is also the only local shark species that preys on the 441:
Early illustration of the milk shark, under the obsolete name
1907: 1905: 1769:, a new species of pandarid copepod from Australian sharks". 1829: 1827: 1436:). 2nd Edition. 2021. 366p. CIESM Publishers, Paris, Monaco. 875:), found in seagrass beds avoided by other sharks. In the 851:
are also taken. In Shark Bay, the most important prey are
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designated a 44 cm (17 in)-long male caught off
326:. The largest and most widely distributed member of its 1408:
Carrier, J.C.; J.A. Musick & M.R. Heithaus (2004).
790:, and are no longer than the front margin of the first 710:. Although some sources state this species avoids low 1790:
Journal of the Marine Biological Association of India
1617: 1615: 1474: 1472: 1470: 1095:. Its abundance makes it a significant component of 3056: 2792: 2753: 2720: 2642: 2618: 2585: 2561: 2537: 2504: 2480: 2420: 2396: 2088: 1869: 1867: 1865: 1771:
Proceedings of the Biological Society of Washington
1449:Compagno, L.J.V.; M. Dando & S. Fowler (2005). 1291:
A Guide to the Common Sea Fishes of Southern Africa
1579: 1577: 1575: 1573: 1571: 1569: 584:The milk shark has the widest distribution of any 1432:Atlas of Exotic Fishes in the Mediterranean Sea ( 1807: 1805: 1803: 1453:. Princeton University Press. pp. 317–318. 1979: 1977: 1653: 1651: 1649: 1647: 1645: 1643: 1641: 1639: 1637: 1403: 1401: 429:has assessed this species as being vulnerable. 1502: 1500: 1284: 1282: 1280: 1278: 1215:10.2305/IUCN.UK.2020-3.RLTS.T41850A68642326.en 1117:International Union for Conservation of Nature 427:International Union for Conservation of Nature 2020: 1548:. Food and Agriculture Organization. p.  937:Like other requiem sharks, the milk shark is 322:belief that consumption of its meat promotes 8: 1765:Cressey, R. & C. Simpfendorfer (1988). " 949:divided into separate compartments for each 1252: 941:; females usually have a single functional 726:. Milk sharks may be found anywhere in the 485:, before finally being placed in the genus 2780: 2027: 2013: 2005: 1483:. University of Hawaii Press. p. 36. 1312: 1310: 1250: 1248: 1246: 1244: 1242: 1240: 1238: 1236: 1234: 1232: 714:, it has been reported several times from 215: 48: 29: 20: 1687: 1685: 1683: 1681: 1679: 1677: 1373: 1213: 528:"milk shark" comes from a belief held in 377:. In turn, it often falls prey to larger 1479:Randall, J.E. & J.P. Hoover (1995). 544:, found that the milk shark is the most 1740:Heemstra, E. & P. Heemstra (2004). 1171: 532:that eating this shark's meat enhances 1293:(third ed.). Struik. p. 46. 385:. In common with other members of its 1410:Biology of Sharks and Their Relatives 754:The largest member of its genus, off 7: 786:originate below the third or fourth 730:from the surface to the bottom. Off 346:, and has been recorded swimming up 1201:IUCN Red List of Threatened Species 540:analysis by Gavin Naylor, based on 1366:10.1111/j.1096-0031.1992.tb00073.x 887:, and is also a major predator of 678:Occurring close to shore from the 14: 1742:Coastal Fishes of Southern Africa 945:(on the left) and two functional 354:. Juveniles are known to inhabit 3177:IUCN Red List vulnerable species 1606:10.1111/j.0022-1112.2006.01011.x 1592:in the coastal waters of Oman". 1145: 73: 1836:Environmental Biology of Fishes 1693:Biological Profiles: Milk Shark 694:, juvenile milk sharks inhabit 501:. As Rüppell did not mention a 1924:(Ruppell), in Madras waters". 1744:. NISC and SAIAB. p. 62. 1545:Fishes of the Cambodian Mekong 608:, with a likely entry via the 552:species examined. The extinct 334:waters throughout the eastern 241:Hemprich & Ehrenberg, 1899 1: 1412:. CRC Press. pp. 52–53. 2699:Australian sharpnose shark ( 2260:Smoothtooth blacktip shark ( 1945:Records of the Indian Museum 2690:Caribbean sharpnose shark ( 2663:Brazilian sharpnose shark ( 2377:Australian blacktip shark ( 1926:Indian Journal of Fisheries 1024:Banc d'Arguin National Park 974:litters of milk sharks off 640:, this species occurs from 3218: 3197:Marine fish of West Africa 3192:Marine fish of East Africa 2708:Atlantic sharpnose shark ( 1588:and the bigeye houndshark 1129:Australian sharpnose shark 998:occurs across its surface 2741:Pacific spadenose shark ( 2672:Pacific sharpnose shark ( 2190:Pacific smalltail shark ( 2044: 1888:10.1007/s00227-004-1386-7 1521:10.1007/s00227-003-1218-1 1334:. September 2009 version. 1289:Van der Elst, R. (1993). 1257:Compagno, L.J.V. (1984). 904:Australian blacktip shark 722:, as far upstream as the 235: 228: 223: 214: 195: 188: 70:Scientific classification 68: 46: 37: 28: 23: 2287:Oceanic whitetip shark ( 1767:Pseudopandarus australis 1320:; Pauly, Daniel (eds.). 980:Atlantic sharpnose shark 927:Pseudopandarus australis 812:One of the most (if not 588:species. In the eastern 580:Distribution and habitat 467:Fische des Rothen Meeres 224:Range of the milk shark 2597:Sicklefin lemon shark ( 2525:Borneo broadfin shark ( 2468:Irrawaddy river shark ( 1594:Journal of Fish Biology 1542:Rainboth, W.J. (1996). 1345:Naylor, G.J.P. (1992). 922:of this species is the 564:) deposits in southern 3202:Fish described in 1837 2681:Grey sharpnose shark ( 2450:Northern river shark ( 2323:Caribbean reef shark ( 1481:Coastal Fishes of Oman 1072: 1002:and possibly also the 873:Psammoperca waigiensis 782:The broad, triangular 751: 449:The German naturalist 446: 433:Taxonomy and phylogeny 413:in many countries for 393:, with the developing 3134:Paleobiology Database 2864:rhizoprionodon-acutus 2851:Rhizoprionodon_acutus 2838:Rhizoprionodon_acutus 2824:Rhizoprionodon acutus 2794:Rhizoprionodon acutus 2765:Whitetip reef shark ( 2305:Blacktip reef shark ( 1660:Rhizoprionodon acutus 1586:Rhizoprionodon acutus 1434:Rhizoprionodon acutus 1324:Rhizoprionodon acutus 1208:: e.T41850A68642326. 1194:Rhizoprionodon acutus 1070: 1059:is at least 8 years. 910:), and possibly also 908:Carcharhinus tilstoni 900:Carcharhinus limbatus 879:, it feeds mainly on 764:nictitating membranes 749: 701:Amphibolis antarctica 572:, may be the same as 471:Fishes of the Red Sea 440: 297:Rhizoprionodon acutus 199:Rhizoprionodon acutus 2432:Borneo river shark ( 1121:grey sharpnose shark 1101:commercial fisheries 1048:incidental selection 698:meadows composed of 600:, as well as around 411:commercial fisheries 266:Carcharias walbeehmi 252:Carcharias crenidens 3187:Fish of the Red Sea 2242:Pondicherry shark ( 2129:C. amblyrhynchoides 1451:Sharks of the World 994:for sustenance and 957:, Alternately, off 877:Gulf of Carpentaria 808:Biology and ecology 707:Posidonia australis 668:, until during the 610:Strait of Gibraltar 592:, it is found from 507:Wolfgang Klausewitz 443:Scoliodon walbeehmi 40:Conservation status 2492:Daggernose shark ( 2459:Speartooth shark ( 2206:Whitecheek shark ( 1848:10.1007/BF00005200 1719:10.1007/BF01316307 1073: 1063:Human interactions 968:period of dormancy 766:(protective third 752: 628:, and eastward to 521:for this species. 447: 389:, this species is 307:, and part of the 273:Scoliodon longmani 259:Carcharias eumeces 238:Carcharias aaronis 3162: 3161: 3058:Carcharias acutus 3028:Open Tree of Life 2786:Taxon identifiers 2777: 2776: 2732:Spadenose shark ( 2573:Whitenose shark ( 2368:Spot-tail shark ( 2350:Blackspot shark ( 2341:Smalltail shark ( 2251:Finetooth shark ( 2233:Galapagos shark ( 2136:Grey reef shark ( 2111:C. albimarginatus 2109:Silvertip shark ( 2100:Blacknose shark ( 2080:Carcharhiniformes 1460:978-0-691-12072-0 736:seasonal movement 692:Western Australia 626:Arabian Peninsula 624:northward to the 616:, it occurs from 606:Mediterranean Sea 461:means "sharp" in 455:Carcharias acutus 369:, but also takes 289: 288: 284: 280:Scoliodon vagatus 277: 270: 263: 262:Pietschmann, 1913 256: 249: 245:Carcharias acutus 242: 147:Carcharhiniformes 63: 3209: 3155: 3154: 3142: 3141: 3129: 3128: 3116: 3115: 3103: 3102: 3090: 3089: 3077: 3076: 3075: 3049: 3048: 3036: 3035: 3023: 3022: 3010: 3009: 2997: 2996: 2984: 2983: 2971: 2970: 2958: 2957: 2945: 2944: 2932: 2931: 2919: 2918: 2906: 2905: 2893: 2892: 2880: 2879: 2867: 2866: 2854: 2853: 2841: 2840: 2828: 2827: 2826: 2813: 2812: 2811: 2781: 2743:S. macrorhynchos 2516:Broadfin shark ( 2296:Hardnose shark ( 2278:Blacktip shark ( 2235:C. galapagenisis 2138:C. amblyrhynchos 2127:Graceful shark ( 2029: 2022: 2015: 2006: 2000: 1999: 1981: 1972: 1971: 1959: 1953: 1952: 1940: 1934: 1933: 1909: 1900: 1899: 1882:(5): 1023–1032. 1871: 1860: 1859: 1831: 1822: 1821: 1809: 1798: 1797: 1785: 1779: 1778: 1762: 1756: 1755: 1737: 1731: 1730: 1702: 1696: 1689: 1672: 1671: 1655: 1632: 1631: 1619: 1610: 1609: 1600:(6): 1662–1678. 1581: 1564: 1563: 1539: 1533: 1532: 1504: 1495: 1494: 1476: 1465: 1464: 1446: 1440: 1430: 1424: 1423: 1405: 1396: 1395: 1377: 1351: 1342: 1336: 1335: 1314: 1305: 1304: 1286: 1273: 1272: 1254: 1227: 1226: 1224: 1222: 1217: 1187: 1155: 1150: 1149: 1057:maximum lifespan 459:specific epithet 360:seagrass meadows 282: 275: 268: 261: 255:Klunzinger, 1880 254: 247: 240: 219: 201: 78: 77: 57: 52: 51: 33: 21: 16:Species of shark 3217: 3216: 3212: 3211: 3210: 3208: 3207: 3206: 3167: 3166: 3163: 3158: 3150: 3145: 3137: 3132: 3124: 3119: 3111: 3106: 3098: 3093: 3085: 3080: 3071: 3070: 3065: 3052: 3044: 3039: 3031: 3026: 3018: 3013: 3005: 3000: 2992: 2987: 2979: 2974: 2966: 2961: 2953: 2948: 2940: 2935: 2927: 2922: 2914: 2909: 2901: 2896: 2888: 2883: 2875: 2870: 2862: 2857: 2849: 2844: 2836: 2831: 2822: 2821: 2816: 2807: 2806: 2801: 2788: 2778: 2773: 2749: 2716: 2638: 2614: 2608:N. brevirostris 2581: 2557: 2549:Sliteye shark ( 2533: 2500: 2476: 2416: 2392: 2332:Sandbar shark ( 2307:C. melanopterus 2226:C. fitzroyensis 2181:Nervous shark ( 2172:Spinner shark ( 2118:Bignose shark ( 2084: 2040: 2033: 2003: 1996: 1983: 1982: 1975: 1961: 1960: 1956: 1942: 1941: 1937: 1911: 1910: 1903: 1873: 1872: 1863: 1833: 1832: 1825: 1811: 1810: 1801: 1787: 1786: 1782: 1764: 1763: 1759: 1752: 1739: 1738: 1734: 1704: 1703: 1699: 1690: 1675: 1657: 1656: 1635: 1621: 1620: 1613: 1583: 1582: 1567: 1560: 1541: 1540: 1536: 1506: 1505: 1498: 1491: 1478: 1477: 1468: 1461: 1448: 1447: 1443: 1431: 1427: 1420: 1407: 1406: 1399: 1349: 1344: 1343: 1339: 1316: 1315: 1308: 1301: 1288: 1287: 1276: 1269: 1256: 1255: 1230: 1220: 1218: 1189: 1188: 1173: 1169: 1151: 1144: 1141: 1108:regard it as a 1065: 935: 883:, herring, and 869:Waigeo seaperch 827:. Occasionally 810: 744: 582: 465:), in his 1837 435: 403:breeding season 397:sustained by a 278: 271: 264: 257: 250: 243: 210: 203: 197: 184: 72: 64: 53: 49: 42: 17: 12: 11: 5: 3215: 3213: 3205: 3204: 3199: 3194: 3189: 3184: 3182:Rhizoprionodon 3179: 3169: 3168: 3160: 3159: 3157: 3156: 3143: 3130: 3117: 3104: 3091: 3078: 3062: 3060: 3054: 3053: 3051: 3050: 3037: 3024: 3011: 2998: 2985: 2972: 2959: 2946: 2933: 2920: 2907: 2894: 2881: 2868: 2855: 2842: 2829: 2814: 2798: 2796: 2790: 2789: 2784: 2775: 2774: 2772: 2771: 2761: 2759: 2751: 2750: 2748: 2747: 2738: 2728: 2726: 2718: 2717: 2715: 2714: 2710:R. terraenovae 2705: 2696: 2687: 2678: 2669: 2660: 2650: 2648: 2645:Rhizoprionodon 2640: 2639: 2637: 2636: 2626: 2624: 2616: 2615: 2613: 2612: 2603: 2593: 2591: 2583: 2582: 2580: 2579: 2569: 2567: 2559: 2558: 2556: 2555: 2551:L. macrorhinus 2545: 2543: 2535: 2534: 2532: 2531: 2522: 2512: 2510: 2502: 2501: 2499: 2498: 2494:I. oxyrhynchus 2488: 2486: 2478: 2477: 2475: 2474: 2465: 2456: 2447: 2441:Ganges shark ( 2438: 2428: 2426: 2418: 2417: 2415: 2414: 2404: 2402: 2394: 2393: 2391: 2390: 2383: 2374: 2365: 2356: 2347: 2338: 2329: 2320: 2311: 2302: 2293: 2284: 2275: 2266: 2257: 2248: 2239: 2230: 2224:Creek whaler ( 2221: 2217:C. falciformis 2212: 2203: 2196: 2187: 2178: 2169: 2163:Copper shark ( 2160: 2154:Borneo shark ( 2151: 2147:C. amboinensis 2145:Pigeye shark ( 2142: 2133: 2124: 2115: 2106: 2096: 2094: 2086: 2085: 2083: 2082: 2076: 2070: 2068:Elasmobranchii 2064: 2062:Chondrichthyes 2058: 2052: 2045: 2042: 2041: 2034: 2032: 2031: 2024: 2017: 2009: 2002: 2001: 1994: 1973: 1954: 1935: 1918:Rhizoprionodon 1914:Rhizoprionodon 1901: 1876:Marine Biology 1861: 1842:(4): 337–345. 1823: 1799: 1780: 1757: 1750: 1732: 1713:(3): 363–374. 1707:Marine Biology 1697: 1673: 1664:Acta Adriatica 1633: 1611: 1590:Iago omanensis 1565: 1558: 1534: 1515:(3): 439–448. 1509:Marine Biology 1496: 1489: 1466: 1459: 1441: 1425: 1418: 1397: 1360:(4): 295–318. 1337: 1318:Froese, Rainer 1306: 1299: 1274: 1267: 1228: 1170: 1168: 1165: 1164: 1163: 1161:List of sharks 1157: 1156: 1140: 1137: 1089:shark fin soup 1064: 1061: 984:R. terraenovae 934: 931: 912:marine mammals 896:blacktip shark 889:penaeid prawns 861:smelt-whitings 809: 806: 743: 740: 648:, through the 634:Southeast Asia 590:Atlantic Ocean 586:Rhizoprionodon 581: 578: 558:Middle Miocene 550:Rhizoprionodon 491:synonymization 487:Rhizoprionodon 451:Eduard Rüppell 434: 431: 383:marine mammals 318:comes from an 312:Carcharhinidae 287: 286: 233: 232: 226: 225: 221: 220: 212: 211: 204: 193: 192: 186: 185: 181:R. acutus 178: 176: 172: 171: 168:Rhizoprionodon 164: 160: 159: 157:Carcharhinidae 154: 150: 149: 144: 140: 139: 134: 130: 129: 127:Elasmobranchii 124: 120: 119: 117:Chondrichthyes 114: 110: 109: 104: 100: 99: 94: 90: 89: 84: 80: 79: 66: 65: 47: 44: 43: 38: 35: 34: 26: 25: 15: 13: 10: 9: 6: 4: 3: 2: 3214: 3203: 3200: 3198: 3195: 3193: 3190: 3188: 3185: 3183: 3180: 3178: 3175: 3174: 3172: 3165: 3153: 3148: 3144: 3140: 3135: 3131: 3127: 3122: 3118: 3114: 3109: 3105: 3101: 3096: 3092: 3088: 3083: 3079: 3074: 3068: 3064: 3063: 3061: 3059: 3055: 3047: 3042: 3038: 3034: 3029: 3025: 3021: 3016: 3012: 3008: 3003: 2999: 2995: 2990: 2986: 2982: 2977: 2973: 2969: 2964: 2960: 2956: 2951: 2947: 2943: 2938: 2934: 2930: 2925: 2921: 2917: 2912: 2908: 2904: 2899: 2895: 2891: 2886: 2882: 2878: 2873: 2869: 2865: 2860: 2856: 2852: 2847: 2843: 2839: 2834: 2830: 2825: 2819: 2815: 2810: 2804: 2800: 2799: 2797: 2795: 2791: 2787: 2782: 2770: 2768: 2763: 2762: 2760: 2758: 2757: 2752: 2746: 2744: 2739: 2737: 2735: 2734:S. laticaudus 2730: 2729: 2727: 2725: 2724: 2719: 2713: 2711: 2706: 2704: 2702: 2697: 2695: 2693: 2688: 2686: 2684: 2679: 2677: 2675: 2670: 2668: 2666: 2661: 2659: 2657: 2652: 2651: 2649: 2647: 2646: 2641: 2635: 2633: 2628: 2627: 2625: 2623: 2622: 2617: 2611: 2609: 2606:Lemon shark ( 2604: 2602: 2600: 2595: 2594: 2592: 2590: 2589: 2584: 2578: 2576: 2571: 2570: 2568: 2566: 2565: 2560: 2554: 2552: 2547: 2546: 2544: 2542: 2541: 2536: 2530: 2528: 2523: 2521: 2519: 2518:L. temminckii 2514: 2513: 2511: 2509: 2508: 2503: 2497: 2495: 2490: 2489: 2487: 2485: 2484: 2479: 2473: 2471: 2466: 2464: 2462: 2457: 2455: 2453: 2448: 2446: 2444: 2443:G. gangeticus 2439: 2437: 2435: 2430: 2429: 2427: 2425: 2424: 2419: 2413: 2411: 2408:Tiger shark ( 2406: 2405: 2403: 2401: 2400: 2395: 2389: 2388: 2384: 2382: 2380: 2375: 2373: 2371: 2366: 2364: 2362: 2359:Night shark ( 2357: 2355: 2353: 2348: 2346: 2344: 2339: 2337: 2335: 2330: 2328: 2326: 2321: 2319: 2317: 2314:Dusky shark ( 2312: 2310: 2308: 2303: 2301: 2299: 2294: 2292: 2290: 2289:C. longimanus 2285: 2283: 2281: 2276: 2274: 2272: 2267: 2265: 2263: 2258: 2256: 2254: 2249: 2247: 2245: 2240: 2238: 2236: 2231: 2229: 2227: 2222: 2220: 2218: 2215:Silky shark ( 2213: 2211: 2209: 2208:C. dussumieri 2204: 2202: 2201: 2197: 2195: 2193: 2188: 2186: 2184: 2179: 2177: 2175: 2174:C. brevipinna 2170: 2168: 2166: 2165:C. brachyurus 2161: 2159: 2157: 2156:C. borneensis 2152: 2150: 2148: 2143: 2141: 2139: 2134: 2132: 2130: 2125: 2123: 2121: 2116: 2114: 2112: 2107: 2105: 2103: 2098: 2097: 2095: 2093: 2092: 2087: 2081: 2077: 2075: 2071: 2069: 2065: 2063: 2059: 2057: 2053: 2051: 2047: 2046: 2043: 2038: 2037:requiem shark 2030: 2025: 2023: 2018: 2016: 2011: 2010: 2007: 1997: 1995:2-8317-0700-5 1991: 1987: 1980: 1978: 1974: 1969: 1965: 1958: 1955: 1950: 1946: 1939: 1936: 1932:(4): 371–385. 1931: 1927: 1923: 1919: 1915: 1908: 1906: 1902: 1897: 1893: 1889: 1885: 1881: 1877: 1870: 1868: 1866: 1862: 1857: 1853: 1849: 1845: 1841: 1837: 1830: 1828: 1824: 1820:(4): 313–322. 1819: 1815: 1808: 1806: 1804: 1800: 1795: 1791: 1784: 1781: 1777:(2): 340–345. 1776: 1772: 1768: 1761: 1758: 1753: 1751:1-920033-01-7 1747: 1743: 1736: 1733: 1728: 1724: 1720: 1716: 1712: 1708: 1701: 1698: 1694: 1688: 1686: 1684: 1682: 1680: 1678: 1674: 1670:(2): 111–126. 1669: 1665: 1661: 1654: 1652: 1650: 1648: 1646: 1644: 1642: 1640: 1638: 1634: 1629: 1625: 1618: 1616: 1612: 1607: 1603: 1599: 1595: 1591: 1587: 1580: 1578: 1576: 1574: 1572: 1570: 1566: 1561: 1559:92-5-103743-4 1555: 1551: 1547: 1546: 1538: 1535: 1530: 1526: 1522: 1518: 1514: 1510: 1503: 1501: 1497: 1492: 1490:0-8248-1808-3 1486: 1482: 1475: 1473: 1471: 1467: 1462: 1456: 1452: 1445: 1442: 1439: 1435: 1429: 1426: 1421: 1419:0-8493-1514-X 1415: 1411: 1404: 1402: 1398: 1393: 1389: 1385: 1381: 1376: 1375:2027.42/73088 1371: 1367: 1363: 1359: 1355: 1348: 1341: 1338: 1333: 1332: 1327: 1325: 1319: 1313: 1311: 1307: 1302: 1300:1-86825-394-5 1296: 1292: 1285: 1283: 1281: 1279: 1275: 1270: 1268:92-5-101384-5 1264: 1260: 1253: 1251: 1249: 1247: 1245: 1243: 1241: 1239: 1237: 1235: 1233: 1229: 1216: 1211: 1207: 1203: 1202: 1197: 1195: 1186: 1184: 1182: 1180: 1178: 1176: 1172: 1166: 1162: 1159: 1158: 1154: 1153:Sharks portal 1148: 1143: 1138: 1136: 1134: 1130: 1126: 1122: 1118: 1113: 1111: 1107: 1106:sport fishers 1102: 1098: 1094: 1090: 1086: 1082: 1078: 1069: 1062: 1060: 1058: 1053: 1049: 1043: 1041: 1037: 1033: 1029: 1025: 1021: 1016: 1014: 1009: 1005: 1001: 997: 993: 989: 985: 981: 977: 971: 969: 964: 960: 956: 952: 948: 944: 940: 932: 930: 928: 925: 921: 917: 913: 909: 905: 901: 897: 892: 890: 886: 882: 878: 874: 870: 866: 862: 858: 854: 850: 846: 842: 838: 834: 830: 826: 823: 819: 815: 807: 805: 802: 797: 793: 789: 785: 784:pectoral fins 780: 777: 773: 769: 765: 760: 757: 748: 741: 739: 737: 733: 732:KwaZulu-Natal 729: 725: 721: 717: 713: 709: 708: 703: 702: 697: 693: 689: 685: 681: 676: 674: 671: 667: 663: 660:and northern 659: 655: 651: 647: 644:and southern 643: 639: 638:Pacific Ocean 635: 631: 627: 623: 619: 615: 611: 607: 603: 599: 595: 591: 587: 579: 577: 575: 571: 567: 563: 560:(16–12 559: 556:, known from 555: 551: 547: 543: 539: 535: 531: 527: 522: 520: 516: 512: 508: 504: 503:type specimen 500: 496: 492: 488: 484: 483: 478: 477: 472: 468: 464: 460: 456: 452: 444: 439: 432: 430: 428: 424: 420: 416: 412: 408: 404: 400: 396: 392: 388: 384: 381:and possibly 380: 376: 372: 368: 363: 361: 357: 353: 349: 345: 341: 337: 333: 329: 325: 321: 317: 313: 310: 306: 305:requiem shark 302: 298: 294: 285: 281: 274: 269:Bleeker, 1856 267: 260: 253: 248:Rüppell, 1837 246: 239: 234: 231: 227: 222: 218: 213: 208: 202: 200: 194: 191: 190:Binomial name 187: 183: 182: 177: 174: 173: 170: 169: 165: 162: 161: 158: 155: 152: 151: 148: 145: 142: 141: 138: 137:Selachimorpha 135: 133:Subdivision: 132: 131: 128: 125: 122: 121: 118: 115: 112: 111: 108: 105: 102: 101: 98: 95: 92: 91: 88: 85: 82: 81: 76: 71: 67: 61: 56: 45: 41: 36: 32: 27: 22: 19: 3164: 3057: 2793: 2766: 2754: 2742: 2733: 2721: 2709: 2700: 2691: 2683:R. oligolinx 2682: 2673: 2664: 2655: 2654:Milk shark ( 2653: 2643: 2631: 2630:Blue shark ( 2619: 2607: 2599:N. acutidens 2598: 2586: 2574: 2562: 2550: 2538: 2527:L. tephrodes 2526: 2517: 2505: 2493: 2483:Isogomphodon 2481: 2470:G. siamensis 2469: 2460: 2451: 2442: 2433: 2421: 2409: 2397: 2386: 2378: 2369: 2360: 2351: 2342: 2333: 2324: 2315: 2306: 2297: 2288: 2279: 2270: 2269:Bull shark ( 2261: 2252: 2243: 2234: 2225: 2216: 2207: 2199: 2191: 2182: 2173: 2164: 2155: 2146: 2137: 2128: 2119: 2110: 2102:C. acronotus 2101: 2091:Carcharhinus 2089: 2072:Subdivision 1985: 1967: 1963: 1957: 1948: 1944: 1938: 1929: 1925: 1921: 1917: 1913: 1879: 1875: 1839: 1835: 1817: 1813: 1793: 1789: 1783: 1774: 1770: 1766: 1760: 1741: 1735: 1710: 1706: 1700: 1667: 1663: 1659: 1627: 1623: 1597: 1593: 1589: 1585: 1544: 1537: 1512: 1508: 1480: 1450: 1444: 1433: 1428: 1409: 1357: 1353: 1340: 1329: 1323: 1290: 1258: 1219:. Retrieved 1205: 1199: 1193: 1132: 1125:R. oligolinx 1124: 1114: 1074: 1044: 1017: 996:gas exchange 983: 972: 936: 933:Life history 926: 907: 899: 893: 872: 813: 811: 799:lobe of the 781: 761: 753: 728:water column 705: 699: 677: 618:South Africa 614:Indian Ocean 585: 583: 573: 554:R. fischeuri 553: 549: 548:of the four 538:phylogenetic 523: 515:Saudi Arabia 499:R. crenidens 498: 495:type species 486: 480: 476:Carcharhinus 474: 470: 466: 454: 448: 442: 364: 340:Indo-Pacific 296: 292: 290: 283:Garman, 1913 279: 276:Ogilby, 1912 272: 265: 258: 251: 244: 237: 236: 198: 196: 180: 179: 167: 18: 2950:iNaturalist 2818:Wikispecies 2674:R. longurio 2665:R. lalandii 2452:G. garricki 2434:G. fowlerae 2379:C. tilstoni 2361:C. signatus 2334:C. plumbeus 2316:C. obscurus 2280:C. limbatus 2244:C. hemiodon 1691:Bester, C. 1221:19 November 1032:tidal pools 853:silversides 825:bony fishes 756:West Africa 742:Description 716:fresh water 650:Philippines 526:common name 505:, in 1960, 375:crustaceans 371:cephalopods 367:bony fishes 356:tidal pools 316:common name 24:Milk shark 3171:Categories 3073:Q107055240 2756:Triaenodon 2701:R. taylori 2692:R. porosus 2461:G. glyphis 2399:Galeocerdo 2387:C. tjutjot 2343:C. porosus 2298:C. macloti 2262:C. leiodon 2200:C. coatesi 2192:C. cerdale 2120:C. altimus 1951:: 107–124. 1796:: 121–131. 1354:Cladistics 1167:References 1133:R. taylori 1038:when they 1036:embayments 1028:Mauritania 1000:integument 963:Australian 939:viviparous 849:gastropods 837:cuttlefish 801:caudal fin 792:dorsal fin 788:gill slits 770:), and no 712:salinities 666:Tethys Sea 658:New Guinea 622:Madagascar 594:Mauritania 391:viviparous 293:milk shark 123:Subclass: 55:Vulnerable 2767:T. obesus 2723:Scoliodon 2656:R. acutus 2632:P. glauca 2588:Negaprion 2564:Nasolamia 2507:Lamiopsis 2410:G. cuvier 2370:C. sorrah 2352:C. sealei 2325:C. perezi 2271:C. leucas 2253:C. isodon 2183:C. cautus 2066:Subclass 1110:game fish 1097:artisanal 1077:longlines 1013:placental 988:Gestation 881:halfbeaks 822:schooling 772:spiracles 724:Tonlé Sap 688:Shark Bay 684:estuaries 680:surf zone 662:Australia 654:Indonesia 636:. In the 612:. In the 574:R. acutus 542:allozymes 534:lactation 519:lectotype 493:with the 482:Scoliodon 407:artisanal 399:placental 344:estuaries 324:lactation 175:Species: 93:Kingdom: 87:Eukaryota 3067:Wikidata 2968:10150756 2924:FishBase 2809:Q1587255 2803:Wikidata 2621:Prionace 2575:N. velox 2074:Selachii 2056:Chordata 2050:Animalia 2048:Kingdom 1970:: 1–100. 1896:84773721 1856:22998036 1727:84232604 1630:: 1–330. 1529:86006148 1392:39697113 1384:34929961 1331:FishBase 1139:See also 1093:fishmeal 1081:gillnets 1004:yolk sac 947:uteruses 920:parasite 916:gillnets 796:anal fin 776:nostrils 720:Cambodia 696:seagrass 570:Portugal 423:fishmeal 352:Cambodia 338:and the 336:Atlantic 332:tropical 314:, whose 230:Synonyms 153:Family: 107:Chordata 103:Phylum: 97:Animalia 83:Domain: 60:IUCN 3.1 3113:6742937 2942:2417866 2540:Loxodon 2423:Glyphis 2054:Phylum 2039:species 2035:Extant 1052:Chennai 976:Senegal 924:copepod 885:mullets 865:wrasses 857:herring 833:octopus 818:benthic 768:eyelids 670:Miocene 602:Madeira 517:as the 395:embryos 301:species 299:) is a 209:, 1837) 207:Rüppell 163:Genus: 143:Order: 113:Class: 58: ( 3152:298612 3139:210101 3126:160213 3100:121676 3046:105802 3033:272025 3020:105802 2981:160211 2955:111746 2916:124175 2903:205713 2859:ARKive 2078:Order 2060:Class 1992:  1922:acutus 1894:  1854:  1814:Cybium 1748:  1725:  1624:ORSTOM 1556:  1527:  1487:  1457:  1416:  1390:  1382:  1297:  1265:  1085:trawls 1040:mature 1020:Mumbai 951:embryo 902:) and 863:, and 847:, and 845:shrimp 794:. The 598:Angola 566:France 511:Jeddah 425:. The 421:, and 387:family 379:sharks 348:rivers 320:Indian 309:family 3147:WoRMS 3095:EUNIS 3041:WoRMS 3007:34770 2994:41850 2963:IRMNG 2911:EUNIS 2890:4SDDD 2877:12785 1892:S2CID 1852:S2CID 1723:S2CID 1525:S2CID 1388:S2CID 1350:(PDF) 1127:) or 955:India 943:ovary 841:crabs 829:squid 686:. In 673:epoch 656:, to 646:Japan 642:China 630:South 546:basal 530:India 463:Latin 457:(the 328:genus 3121:ITIS 3108:GBIF 3087:R3RB 3015:OBIS 3002:NCBI 2989:IUCN 2976:ITIS 2937:GBIF 2872:BOLD 1990:ISBN 1746:ISBN 1554:ISBN 1485:ISBN 1455:ISBN 1414:ISBN 1380:PMID 1295:ISBN 1263:ISBN 1223:2021 1206:2020 1115:The 1099:and 1091:and 1026:off 1008:gill 992:yolk 959:Oman 820:and 704:and 652:and 632:and 620:and 568:and 524:The 489:via 479:and 419:fins 415:meat 409:and 373:and 358:and 291:The 3082:CoL 2929:899 2898:EoL 2885:CoL 2846:AFD 2833:ADW 1884:doi 1880:145 1844:doi 1775:101 1715:doi 1711:105 1602:doi 1517:doi 1513:144 1370:hdl 1362:doi 1210:doi 986:). 814:the 718:in 596:to 350:in 303:of 3173:: 3149:: 3136:: 3123:: 3110:: 3097:: 3084:: 3069:: 3043:: 3030:: 3017:: 3004:: 2991:: 2978:: 2965:: 2952:: 2939:: 2926:: 2913:: 2900:: 2887:: 2874:: 2861:: 2848:: 2835:: 2820:: 2805:: 1976:^ 1968:33 1966:. 1949:47 1947:. 1930:33 1928:. 1920:) 1904:^ 1890:. 1878:. 1864:^ 1850:. 1840:37 1838:. 1826:^ 1818:30 1816:. 1802:^ 1794:30 1792:. 1773:. 1721:. 1709:. 1676:^ 1668:47 1666:. 1636:^ 1628:21 1626:. 1614:^ 1598:68 1596:. 1568:^ 1552:. 1550:51 1523:. 1511:. 1499:^ 1469:^ 1400:^ 1386:. 1378:. 1368:. 1356:. 1352:. 1328:. 1309:^ 1277:^ 1231:^ 1204:. 1198:. 1174:^ 1112:. 1083:, 1079:, 1042:. 859:, 855:, 843:, 839:, 835:, 831:, 738:. 690:, 576:. 562:Ma 513:, 497:, 417:, 2769:) 2745:) 2736:) 2712:) 2703:) 2694:) 2685:) 2676:) 2667:) 2658:) 2634:) 2610:) 2601:) 2577:) 2553:) 2529:) 2520:) 2496:) 2472:) 2463:) 2454:) 2445:) 2436:) 2412:) 2381:) 2372:) 2363:) 2354:) 2345:) 2336:) 2327:) 2318:) 2309:) 2300:) 2291:) 2282:) 2273:) 2264:) 2255:) 2246:) 2237:) 2228:) 2219:) 2210:) 2194:) 2185:) 2176:) 2167:) 2158:) 2149:) 2140:) 2131:) 2122:) 2113:) 2104:) 2028:e 2021:t 2014:v 1998:. 1916:( 1898:. 1886:: 1858:. 1846:: 1754:. 1729:. 1717:: 1608:. 1604:: 1562:. 1531:. 1519:: 1493:. 1463:. 1422:. 1394:. 1372:: 1364:: 1358:8 1326:" 1322:" 1303:. 1271:. 1225:. 1212:: 1196:" 1192:" 1131:( 1123:( 982:( 906:( 898:( 871:( 469:( 445:. 295:( 205:( 62:)

Index

Several freshly caught, slender gray sharks with long snouts and large eyes, lying on a pier
Conservation status
Vulnerable
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Chondrichthyes
Elasmobranchii
Selachimorpha
Carcharhiniformes
Carcharhinidae
Rhizoprionodon
Binomial name
Rüppell
World map with blue outlines along the western coast of Africa, around the periphery of the Indian Ocean, and in the western Pacific Ocean from Japan to Indonesia to northern Australia
Synonyms
species
requiem shark
family
Carcharhinidae
common name
Indian
lactation
genus
tropical
Atlantic
Indo-Pacific

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