Knowledge (XXG)

Gulf sturgeon

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All species of sturgeon leap out of the water at times. The Gulf sturgeon tends to jump during July and August, and again early during the offshore feeding period. They are thought to jump to communicate and maintain group cohesion. Due to their heavy body armor, large leaping sturgeon can inflict
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and eating habits. The upriver migration normally occurs between February and April, as river temperatures rise to 16 to 23 °C (61 to 73 °F). Downriver migration normally begins in late September or October when water temperatures drop to 23 °C (73 °F). Males reach sexual
360:, and eat little to nothing during the remainder of the year when they are in rivers. Their weights vary in accordance with this eating pattern, with significant weight gains in the winter and smaller weight losses in the summer. Because their diet consists of 595:
Ong, Tun-Liang; Joseph Stabile; Isaac Wirgin; John R. Waldman (1996-05-16). "Genetic Divergence between Acipenser oxyrinchus oxyrinchus and A. o. desotoi as Assessed by Mitochondrial DNA Sequencing Analysis".
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maturity between seven and 12 years of age, females between eight and 17 years of age. Spawning almost always occurs in the natal river, generally over a hard bottom just downstream of a
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period. Behavioral differences are more clear, especially the dietary habits. Adult Gulf sturgeon eat primarily, or possibly only, during the winter, when they are in
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Fish and Wildlife Service; National Oceanic and Atmospheric Administration. "Endangered and Threatened Wildlife and Plants; Threatened Status for the Gulf Sturgeon".
336:, while Atlantic sturgeon have a spleen length averaging 5.7% of their fork length. Lesser morphological differences include relative head length, shape of dorsal 2131: 405:
into the river. After spawning, the adults and older juveniles collect in regions of cooler, deeper, slower-flowing water, generally downstream of springs.
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serious injuries to humans who are in the way. On July 2, 2015, a leaping sturgeon on the Suwannee River in Florida struck and killed a 5-year-old girl.
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Juvenile Gulf sturgeon remain in the spawning river until roughly two years of age, eating there. Thereafter, they join the adults in their anadromous
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Visually, Gulf sturgeon are almost impossible to differentiate from Atlantic sturgeon, as the most significant morphological difference is the
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draining into it. The Gulf sturgeon was first recognized as a separate subspecies in 1955. The nominate subspecies is the
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differences between the subspecies have been studied, and tend to indicate reproductive isolation occurred in the
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species. Overfishing and dam construction probably contributed to the historical decline in populations.
450:. No detrimental impacts from these parasites have been observed. The species also serves as host to the 1771: 434: 745: 664:"Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Gulf Sturgeon" 425:
of the sturgeon, other than humans, are unknown, but thought to have limited impact upon the species.
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length, which is internal. Gulf sturgeon have a spleen length averaging 12.3% of their
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share river territory with the Gulf sturgeon; none of the other sturgeon species is
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U.S. Fish and Wildlife Service; Gulf States Marine Fisheries Commission (1995).
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Fish and Wildlife Service; National Marine Fisheries Service (2003).
604:(2). American Society of Ichthyologists and Herpetologists: 464–469. 455: 329: 290:. The Gulf sturgeon is listed as threatened under the United States 123: 1980: 791:"Leaping Sturgeon Kills 5-Year-Old Florida Girl Boating With Family" 609: 640:. Florida Fish and Wildlife Conservation Commission. Archived from 337: 279: 243: 235: 1795: 1435: 1984: 1524: 889: 851: 847: 734:"Mystery of Florida's Giant Jumping Sturgeon Solved?" 718:– via Environmental Conservation Online System. 1451: 1441: 1424: 1414: 1384: 1374: 1364: 1347: 1337: 1327: 1259: 1222: 1207: 1196: 1106: 1090: 1079: 1068: 1058: 1047: 1036: 1025: 772:
Ichthyology at the Florida Museum of Natural History
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U.S. Fish & Wildlife Service 14: 2186:IUCN Red List endangered species 1505: 1499: 1492: 100: 294:, having been listed in 1991. 732:Lovgren, Stefan (2006-10-30). 1: 454:(larvae) of three freshwater 366:paralytic shellfish poisoning 248:Gulf sturgeon jumping on the 2025:Acipenser oxyrinchus desotoi 1995:Acipenser oxyrinchus desotoi 821:Acipenser oxyrinchus desotoi 401:on the river bottom feeding 368:(PSP), in addition to other 263:Acipenser oxyrinchus desotoi 220:Acipenser oxyrinchus desotoi 742:National Geographic Society 705:Gulf Sturgeon Recovery Plan 638:"Facts About Gulf Sturgeon" 2222: 2201:Fish of the United States 1560: 1489: 1192: 1021: 1017: 1002: 983: 941: 928: 885: 216: 209: 97:Scientific classification 95: 73: 51: 42: 37: 28: 23: 1720:A. oxyrinchus oxyrinchus 831:. February 2009 version. 817:; Pauly, Daniel (eds.). 738:National Geographic News 685:– via govinfo.gov. 302:on the western coast of 1772:European sea sturgeon ( 1553:sturgeon and paddlefish 2206:Fish described in 1955 2191:ESA threatened species 292:Endangered Species Act 253: 241: 38:Gulf sturgeon on side 1937:American paddlefish ( 1891:Shovelnose sturgeon ( 1711:A. oxyrinchus desotoi 247: 239: 2039:acipenser-oxyrinchus 1961:Chinese paddlefish ( 1858:Amu Darya sturgeon ( 1840:Syr Darya sturgeon ( 1628:Shortnose sturgeon ( 1463:Pseudoscaphirhynchus 748:on November 13, 2006 531:Acipenser oxyrinchus 479:Acipenser oxyrinchus 1718:Atlantic sturgeon ( 1691:Adriatic sturgeon ( 1682:Japanese sturgeon ( 1673:Sakhalin sturgeon ( 1619:Siberian sturgeon ( 1456:Protoscaphirhynchus 577:(189): 49653–49658. 497:: e.T242A50119604. 418:Population controls 324:Physical appearance 45:Conservation status 1900:Alabama sturgeon ( 1754:Chinese sturgeon ( 1727:Persian sturgeon ( 1700:Bastard sturgeon ( 1657:A. gueldenstaedtii 1655:Russian sturgeon ( 1637:Dabry's sturgeon ( 1073:Bobasatraniiformes 766:Bester, Cathleen. 435:Argulus stizostehi 372:organisms such as 274:that lives in the 254: 242: 202:A. o. desotoi 188:A. oxyrinchus 16:Subspecies of fish 2173: 2172: 1987:Taxon identifiers 1978: 1977: 1974: 1973: 1912: 1911: 1882:Pallid sturgeon ( 1763:Starry sturgeon ( 1518: 1517: 1514: 1513: 1487: 1486: 1483: 1482: 1479: 1478: 1177: 1176: 1095:Saurichthyiformes 1084:Guildayichthyidae 998: 997: 994: 993: 979: 978: 677:(53): 13370–13407 308:Mississippi River 284:Atlantic sturgeon 234: 233: 90: 68: 2213: 2166: 2165: 2153: 2152: 2140: 2139: 2127: 2126: 2114: 2113: 2104: 2103: 2091: 2090: 2078: 2077: 2065: 2064: 2052: 2051: 2042: 2041: 2029: 2028: 2027: 2014: 2013: 2012: 1982: 1923: 1849:Dwarf sturgeon ( 1783:A. transmontanus 1781:White sturgeon ( 1684:A. multiscutatus 1664:Green sturgeon ( 1605: 1545: 1538: 1531: 1522: 1509: 1503: 1497: 1496: 1453: 1443: 1426: 1416: 1386: 1376: 1366: 1349: 1339: 1329: 1316: 1261: 1224: 1209: 1198: 1190: 1184:Acipenseriformes 1154:Plesiococcolepis 1108: 1092: 1081: 1070: 1060: 1049: 1038: 1027: 1019: 1015: 1004: 939: 930: 923: 922: 887: 872: 865: 858: 849: 832: 806: 805: 803: 801: 786: 780: 779: 778:on 18 June 2015. 774:. 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sturgeon 251: 246: 238: 228: 223: 221: 215: 212: 208: 204: 203: 198: 195: 194: 190: 189: 184: 181: 180: 177: 176: 172: 169: 168: 165: 164:Acipenseridae 162: 159: 158: 155: 152: 149: 148: 145: 142: 139: 138: 135: 132: 129: 128: 125: 122: 119: 118: 115: 112: 109: 108: 103: 98: 94: 88: 83: 72: 66: 61: 50: 46: 41: 36: 32: 27: 22: 19: 1994: 1962: 1950: 1938: 1926: 1901: 1892: 1883: 1871: 1860:P. kaufmanni 1859: 1850: 1841: 1827: 1815: 1806: 1794: 1782: 1773: 1765:A. stellatus 1764: 1755: 1746: 1737: 1728: 1719: 1710: 1708: 1701: 1692: 1683: 1674: 1665: 1656: 1647: 1639:A. dabryanus 1638: 1629: 1620: 1608: 1584:Osteichthyes 1498: 1468: 1461: 1454: 1444: 1434: 1427: 1417: 1407: 1387: 1377: 1367: 1357: 1350: 1340: 1332:Crossopholis 1330: 1298: 1293:Stichopterus 1291: 1284: 1279:Peipiaosteus 1277: 1270: 1247: 1240: 1235:Chondrosteus 1233: 1210: 1199: 1166: 1159: 1152: 1145: 1138: 1131: 1124: 1117: 1093: 1082: 1071: 1061: 1050: 1041:Errolichthys 1039: 1028: 985: 913: 826: 820: 798:. 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Retrieved 494: 488: 482: 478: 470: 433: 429:include the 421: 412: 391: 374:grass shrimp 342:pectoral fin 327: 311: 287: 262: 261: 257: 255: 219: 217: 201: 200: 196:Subspecies: 186: 174: 18: 2119:NatureServe 2070:iNaturalist 2019:Wikispecies 1939:P. spathula 1902:S. suttkusi 1851:P. hermanni 1807:H. dauricus 1756:A. sinensis 1738:A. ruthenus 1729:A. persicus 1693:A. naccarii 1590:Chondrostei 1582:Superclass 1286:Spherosteus 1133:Condorlepis 1063:Neochallaia 1009:Chondrostei 987:Chondrostei 961:Chondrostei 918:Actinopteri 879:Chondrostei 535:oxyrhynchus 403:groundwater 350:Pleistocene 334:fork length 2180:Categories 1963:P. gladius 1675:A. mikadoi 1578:Vertebrata 1576:Subphylum 1147:Morrolepis 1126:Coccolepis 1119:Barbalepis 1052:Gualolepis 970:see below↓ 752:2007-08-30 648:2007-08-31 462:References 444:trematodes 431:fish louse 394:migrations 388:Life cycle 318:anadromous 268:subspecies 82:Threatened 60:Endangered 2196:Acipenser 1952:Psephurus 1774:A. sturio 1736:Sterlet ( 1621:A. baerii 1610:Acipenser 1588:Subclass 1409:Acipenser 1379:Psephurus 1300:Yanosteus 1272:Liaosteus 1242:Gyrosteus 1161:Sunolepis 895:Kingdom: 452:glochidia 440:nematodes 427:Parasites 423:Predators 382:amphipods 344:length. 278:and some 182:Species: 175:Acipenser 120:Kingdom: 114:Eukaryota 2124:2.104257 2010:Q5455492 2004:Wikidata 1928:Polyodon 1884:S. albus 1829:Pseudo- 1814:Beluga ( 1805:Kaluga ( 1572:Chordata 1566:Animalia 1564:Kingdom 1359:Polyodon 1140:Iyalepis 1030:Birgeria 903:Chordata 901:Phylum: 897:Animalia 828:FishBase 795:NBC News 362:mollusks 272:sturgeon 227:Vladykov 160:Family: 134:Chordata 130:Phylum: 124:Animalia 110:Domain: 65:IUCN 3.1 2062:6169516 1816:H. huso 1570:Phylum 1555:species 1551:Recent 907:Class: 618:1446867 539:desotoi 483:desotoi 448:leeches 409:Jumping 378:isopods 346:Genetic 306:to the 304:Florida 266:) is a 170:Genus: 150:Order: 140:Class: 85: ( 63: ( 2163:293537 2088:624005 2075:234176 2046:ECOS: 2034:ARKive 800:13 May 714:13 May 681:13 May 616:  598:Copeia 551:13 May 510:13 May 456:mussel 446:, and 399:spring 380:, and 354:marine 340:, and 338:scutes 330:spleen 280:rivers 229:, 1955 2158:WoRMS 2137:40146 2108:NAS: 914:Clade 708:(PDF) 667:(PDF) 614:JSTOR 584:49653 481:ssp. 2145:NOAA 2132:NCBI 2111:3206 2096:IUCN 2083:ITIS 2057:GBIF 1796:Huso 1436:Huso 947:see 802:2023 716:2023 683:2023 602:1996 553:2023 512:2023 495:2022 256:The 2101:242 2049:651 606:doi 579:56 499:doi 356:or 270:of 87:ESA 2182:: 2160:: 2147:: 2134:: 2121:: 2098:: 2085:: 2072:: 2059:: 2036:: 2021:: 2006:: 916:: 825:. 793:. 770:. 740:. 736:. 724:^ 691:^ 675:68 673:. 669:. 626:^ 612:. 600:. 581:FR 575:56 573:. 561:^ 543:. 541:)" 537:) 533:(= 520:^ 493:. 487:. 442:, 438:, 320:. 286:, 1967:† 1965:) 1941:) 1904:) 1895:) 1886:) 1862:) 1853:) 1844:) 1818:) 1809:) 1785:) 1776:) 1767:) 1758:) 1749:) 1740:) 1731:) 1722:) 1713:) 1704:) 1695:) 1686:) 1677:) 1668:) 1659:) 1650:) 1641:) 1632:) 1623:) 1544:e 1537:t 1530:v 1452:† 1442:† 1425:† 1415:† 1385:† 1375:† 1365:† 1348:† 1338:† 1328:† 1260:† 1223:† 1208:† 1204:? 1197:† 1107:† 1098:? 1091:† 1087:? 1080:† 1076:? 1069:† 1059:† 1055:? 1048:† 1044:? 1037:† 1033:? 1026:† 871:e 864:t 857:v 823:" 819:" 804:. 755:. 651:. 620:. 608:: 555:. 514:. 501:: 485:" 477:" 260:( 89:) 67:)

Index


Conservation status
Endangered
IUCN 3.1
Threatened
ESA
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Actinopterygii
Acipenseriformes
Acipenseridae
Acipenser
A. oxyrinchus
Trinomial name
Vladykov


Suwannee River
subspecies
sturgeon
Gulf of Mexico
rivers
Atlantic sturgeon
Endangered Species Act
Critical habitat
Suwannee River
Florida

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