528:
91:
66:
42:
558:. Adult's eyes are relatively small and located on the side of the head. When fully mature, males develop a baggy pouch under their eyes, which may be used to massage and oxygenate their eggs. There have also been suggestions that the pouch in northern hemisphere species has been used by males during breeding times for gathering stones to make a nest.
578:, changing to silver with blue-green stripes. The central nervous system of the pouched lamprey develops notably during metamorphosis to the large-eyed macropthalmia stage, with particularly large increases in the volume of visual areas of the brain. At this point they migrate downstream to the sea.
581:
Adults spend some of their lives in the open sea, living as parasites on other fish. They attach themselves to the gills or side of the fish and rasp at the tissues below. Adults return to fresh water to breed, spending up to eighteen months sexually maturing before spawning. Adults have been
519:), which was revalidated as a separate species in 2020. The pouched lamprey is native to the southern hemisphere. It spends the early part of its life in fresh water, migrating to the sea as an adult, and returning to fresh water to spawn and die.
553:
on the back half. Like other lampreys, it has no jaws, only a sucker. The skin is a striking silver in adult lampreys caught fresh from the sea but soon changes to brown after they have been in fresh water for some time, due to deposition of
622:
Lampreys are preyed on by albatrosses, shags, large fish and marine mammals. It has been hypothesised that the apparent decline in lamprey numbers could be caused by the degradation of water quality in lowland waterways.
659:
were more than 15 m (49 ft) across. Pouched lampreys were widely seen in New
Zealand in the mid-19th century, and were adopted as a food by European settlers, due to the history of
1125:
Baker, Cindy; Jellyman, Don; Reeve, Kathryn; Crow, Shannan; Stewart, Michael; Buchinger, Tyler John; Li, Weiming (2017). "First observations of spawning nests in the pouched lamprey
1979:
2105:
2018:
635:
delicacy in New
Zealand. Traditional methods for catching lampreys included disturbing the lampreys as they ascended waterfalls and capturing them, or by using
574:
stage of the life cycle are a dull brown in colour for most of their lives. Ammocoetes remain in fresh water for about four years until undergoing a six-month
1209:
607:
1953:
2130:
1992:
2041:
838:
1182:
2120:
878:
913:
973:
Baker, Cindy F.; Jellyman, Don J.; Reeve, Kathryn; Crow, Shannan; Stewart, Michael; Buchinger, Tyler; Li, Weiming (October 2017).
2077:
1202:
2125:
1997:
1076:"Ontogenetic shifts in brain scaling reflect behavioral changes in the life cycle of the pouched lamprey Geotria australis"
2115:
1901:
1888:
1414:
1195:
1022:
Monette, S. N.; Renaud, C. B. (2005). "The gular pouch in northern hemisphere parasitic lampreys (Petromyzontidae)".
2023:
582:
recorded living up to 105 days after spawning and wrapping themselves around egg masses to provide parental care.
90:
869:
Roberts, Clive; Stewart, A. L.; Struthers, Carl D.; Barker, Jeremy; Kortet, Salme; Freeborn, Michelle (2015).
1798:
1327:
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527:
1549:
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1423:
1318:
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1866:
1603:
1594:
1558:
1354:
934:"Epidermal pigmentation and liver coloration in the southern hemisphere lamprey, Geotria austral is Gray"
512:
1906:
1699:
1630:
1507:
1471:
1387:
195:
1690:
1612:
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1927:
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55:
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220:
85:
2010:
1984:
2110:
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1914:
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1480:
1146:
1138:
1097:
1087:
1031:
994:
986:
953:
844:
603:
211:
511:, which is the only genus in the family Geotriidae. The second species in the genus is the
1880:
1741:
1363:
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1256:
917:
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656:
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2005:
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690:
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1919:
1462:
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1336:
975:"First observations of spawning nests in the pouched lamprey ( Geotria australis )"
500:
489:
958:
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1966:
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102:
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The pouched lamprey is widespread in the
Southern Hemisphere, occurring in
17:
1940:
1845:
1723:
1531:
1238:
1187:
723:
549:-like body, and grows up to 60 cm (24 in) long. It has two low
122:
1958:
1945:
1250:
1219:
1049:
831:
Secrets of the Sea: The Story of New
Zealand's Native Sea Creatures
542:
172:
162:
152:
142:
132:
1971:
1151:
999:
1232:
798:
774:
112:
1822:
1035:
873:. Vol. 2. Wellington, New Zealand: Te Papa Press. p. 36.
595:
571:
526:
1932:
2046:
642:
1826:
1191:
901:
Dianne J. Bray & Martin F. Gomon. (2011), Pouched
Lamprey
546:
249:
Lahille 1915 non Landau
Chabaud, Miltgen & Baccam 1980
614:. It is the only lamprey species found in New Zealand.
938:
New
Zealand Journal of Marine and Freshwater Research
911:
http://www.fishesofaustralia.net.au/home/species/3415
1835:
1787:
1763:
1721:
1643:
1529:
1460:
1436:
1376:
1307:
1265:
1131:Canadian Journal of Fisheries and Aquatic Sciences
979:Canadian Journal of Fisheries and Aquatic Sciences
833:. HarperCollins Publishers Ltd. pp. 34ā37.
281:Troschel 1857 non Butler 1878 non non Falc. 1839
1203:
8:
650:
636:
610:and the southwest and southeast corners of
1823:
1210:
1196:
1188:
64:
40:
31:
1177:New Zealand lamprey discussed on RadioNZ
1150:
1101:
1091:
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957:
824:
822:
820:
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672:
310:
235:
297:Castelnau 1872 non Krapp-Schickel 2000
7:
2106:IUCN Red List data deficient species
2034:40dc138c-a616-470d-9800-6dbb6c45ffba
927:
925:
864:
862:
860:
858:
799:"korokoro - Te Aka MÄori Dictionary"
645:across larger rivers which led to a
932:Todd, P. R.; Wilson, R. D. (1983).
775:"piharau - Te Aka MÄori Dictionary"
691:IUCN Red List of Threatened Species
631:Pouched lampreys are a traditional
829:Vennell, Robert (5 October 2022).
803:korokoro - Te Aka MÄori Dictionary
25:
779:piharau - Te Aka MÄori Dictionary
680:Baker, C. & Bice, C. (2022).
1691:Western Transcaucasian lamprey (
89:
2131:Taxa named by John Edward Gray
717:Froese, R.; Pauly, D. (2017).
437:Geotria macrostoma gallegensis
1:
959:10.1080/00288330.1983.9515983
257:Gill 1883 non Burmeister 1868
507:, is a species in the genus
1700:Far Eastern brook lamprey (
1328:Pit-Klamath brook lamprey (
1074:Salas; et al. (2015).
1024:Canadian Journal of Zoology
641:, which involved placing a
2147:
1388:Carpathian Brook Lamprey (
2121:Fish of the Pacific Ocean
1406:Ukrainian brook lamprey (
1227:
1080:Frontiers in Neuroscience
871:The fishes of New Zealand
321:Thysanochilus valdivianus
226:
219:
201:
194:
86:Scientific classification
84:
62:
53:
48:
39:
34:
1682:Siberian brook lamprey (
1664:American brook lamprey (
1622:European brook lamprey (
1577:European river lamprey (
1508:Mountain brook lamprey (
1499:Southern brook lamprey (
1490:Northern brook lamprey (
1093:10.3389/fnins.2015.00251
909:, accessed 07 Oct 2014,
698:: e.T185662806A185662898
586:Distribution and habitat
534:, Northland, New Zealand
417:Macrophthalmia chilensis
1808:Mexican brook lamprey (
1751:Non-parasitic lamprey (
1655:Alaskan brook lamprey (
1631:Western brook lamprey (
1613:Pacific brook lamprey (
1595:Turkish brook lamprey (
1568:Western river lamprey (
1355:Klamath River lamprey (
1143:10.1139/cjfas-2016-0292
991:10.1139/cjfas-2016-0292
2126:Fish described in 1851
1295:Ionian brook lamprey (
661:lampreys as delicacies
651:
637:
535:
377:Petromyzon macrostomus
1541:Least Brook lamprey (
1346:Miller Lake lamprey (
1319:Modoc brook lamprey (
530:
484:), also known as the
353:Chilopterus landbecki
337:Chilopterus caeruleus
1742:Australian lamprey (
1586:Kern brook lamprey (
1550:Portuguese lamprey (
1424:Vladykov's lamprey (
1415:Drin brook Lamprey (
505:wide-mouthed lamprey
393:Neomordacia howittii
361:Exomegas macrostomus
345:Ammocoetes landbecki
329:Ammocoetes caeruleus
2116:Fish of New Zealand
1179:Critter of the Week
950:1983NZJMF..17...21T
907:Fishes of Australia
649:(woven trap). Some
513:Argentinian lamprey
461:Dionisia patagonica
445:Geotria gallegensis
409:Velasia stenostomus
56:Conservation status
49:Drawing by W. Wing
1709:Lombardy lamprey (
1481:Chestnut Lamprey (
1251:Petromyzontiformes
1054:: Pouched lamprey"
916:2020-12-16 at the
903:Geotria australis,
536:
517:Geotria macrostoma
425:Geotria macrostoma
153:Petromyzontiformes
27:Species of lamprey
2093:
2092:
2055:Open Tree of Life
1894:Geotria_australis
1881:Geotria_australis
1867:Geotria australis
1837:Geotria australis
1829:Taxon identifiers
1820:
1819:
1799:Mexican lamprey (
1733:Chilean lamprey (
1448:Pouched lamprey (
1417:E. stankokaramani
1364:Pacific lamprey (
1277:Caspian lamprey (
1137:(10): 1603ā1611.
1127:Geotria australis
1052:Geotria australis
985:(10): 1603ā1611.
840:978-1-77554-179-0
726:version (02/2017)
684:Geotria australis
532:Geotria australis
481:Geotria australis
472:
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453:Geotria saccifera
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364:(Burmeister 1868)
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313:Velasia chilensis
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205:Geotria australis
187:G. australis
79:
16:(Redirected from
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1854:
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1673:Arctic lamprey (
1517:Silver lamprey (
1397:Korean lamprey (
1212:
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1183:12 February 2016
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419:
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401:Geotria allporti
395:
387:
385:Yarra singularis
379:
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35:Pouched lamprey
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21:
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1821:
1816:
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1759:
1717:
1675:L. camtschatica
1639:
1559:Qurem lamprey (
1552:L. alavariensis
1525:
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1432:
1372:
1303:
1286:Greek lamprey (
1261:
1257:Petromyzontidae
1223:
1216:
1174:
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657:Whanganui River
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566:The freshwater
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476:pouched lamprey
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380:Burmeister 1868
356:(Philippi 1857)
340:(Philippi 1857)
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1633:L. richardsoni
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1619:
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1579:L. fluviatilis
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1366:E. tridentatus
1361:
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1339:E. macrostomus
1337:Lake lamprey (
1334:
1330:E. lethophagus
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1561:L. auremensis
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1288:C. hellenicus
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1702:L. reissneri
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1543:L. aepyptera
1542:
1530:
1519:I. unicuspis
1518:
1509:
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1491:
1483:I. castaneus
1482:
1473:
1463:Ichthyomyzon
1461:
1450:G. australis
1449:
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1438:
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1426:E. vladykovi
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1398:
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1379:Eudontomyzon
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1058:. Retrieved
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968:
944:(1): 21ā26.
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830:
806:. Retrieved
802:
793:
782:. Retrieved
778:
769:
757:. Retrieved
753:
747:"Geotriidae"
741:
729:. Retrieved
722:
719:"Geotriidae"
712:
700:. Retrieved
695:
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539:G. australis
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496:
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485:
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186:
185:
173:
29:
1967:iNaturalist
1861:Wikispecies
1801:T. spadicea
1735:M. lapicida
1684:L. kessleri
1666:L. appendix
1646:Lethenteron
1615:L. pacifica
1510:I. greeleyi
1474:I. bdellium
1390:E. danfordi
1321:E. folletti
1310:Entosphenus
1268:Caspiomyzon
1245:Hyperoartia
663:in Europe.
655:across the
652:utu piharau
638:utu piharau
592:New Zealand
551:dorsal fins
523:Description
429:gallegensis
412:Ogilby 1896
270:Neomordacia
238:Chilopterus
143:Hyperoartia
18:Geotriianae
2100:Categories
1810:T. geminis
1777:P. marinus
1766:Petromyzon
1753:M. praecox
1624:L. planeri
1570:L. ayresii
1357:E. similis
1348:E. minimus
1297:C. graecus
1279:C. wagneri
1152:1807/77815
1060:2013-12-15
1056:. Fishbase
1000:1807/77815
849:Q114871191
808:2022-06-22
784:2023-08-24
754:Deeplyfish
667:References
562:Life cycle
556:biliverdin
456:Regan 1911
432:Smitt 1901
420:Plate 1897
265:Plate 1897
212:J. E. Gray
163:Geotriidae
2011:185662806
1744:M. mordax
1588:L. hubbsi
1492:I. fossor
1408:E. mariae
1161:0706-652X
1009:0706-652X
889:908128805
612:Australia
600:Argentina
568:ammocoete
494:korokoro,
316:Gray 1851
289:Gray 1853
181:Species:
109:Kingdom:
103:Eukaryota
2111:Lampreys
1985:11386634
1941:FishBase
1933:46582343
1846:Wikidata
1724:Mordacia
1693:L. ninae
1532:Lampetra
1501:I. gagei
1399:E. morii
1239:Chordata
1233:Animalia
1231:Kingdom
1112:26283894
914:Archived
845:Wikidata
724:FishBase
702:7 August
543:lampreys
497:kanakana
254:Exomegas
246:Dionisia
221:Synonyms
159:Family:
123:Chordata
119:Phylum:
113:Animalia
99:Domain:
76:IUCN 3.1
1959:2421280
1852:Q311740
1439:Geotria
1255:Family
1237:Phylum
1222:species
1220:lamprey
1218:Extant
1103:4517384
1086:: 251.
946:Bibcode
627:History
618:Threats
509:Geotria
499:in the
488:in the
486:piharau
286:Velasia
174:Geotria
169:Genus:
149:Order:
139:Class:
133:Agnatha
74: (
2083:234686
2070:127428
2067:uBio:
2060:703422
2047:234686
2031:NZOR:
1998:159744
1972:370903
1249:Order
1243:Class
1159:
1110:
1100:
1007:
887:
877:
847:
837:
759:18 May
731:18 May
647:hīnaki
602:, the
572:larval
214:, 1851
2078:WoRMS
2024:71168
1980:IRMNG
1920:3FT77
1907:54243
750:(PDF)
633:MÄori
596:Chile
503:, or
294:Yarra
2042:OBIS
2019:NCBI
2006:IUCN
1993:ITIS
1954:GBIF
1946:6947
1902:BOLD
1157:ISSN
1108:PMID
1005:ISSN
885:OCLC
875:ISBN
835:ISBN
761:2017
733:2017
704:2024
696:2022
643:weir
474:The
1928:EoL
1915:CoL
1889:AFD
1876:ADW
1147:hdl
1139:doi
1129:".
1098:PMC
1088:doi
1032:doi
995:hdl
987:doi
954:doi
905:in
570:or
547:eel
427:f.
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Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
