Knowledge (XXG)

Greenback cutthroat trout

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There is some controversy about the native range of the greenback cutthroat trout. It has long been thought that the greenback cutthroat was native to the South Platte and Arkansas River basins, likely due to the fact that the only surviving genetically pure population was found in a small creek in
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The study also cleared up the confusion Hammond's labeling had created. His samples were tested and found to have been Rio Grandes rather than greenbacks, likely collected in New Mexico. All the sample crates he shipped had been labeled as being from Fort Riley, where his unit was based, and the
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samples both from modern populations and historical samples dating back to the 19th century revealed that the only remaining population of pure greenback cutthroat trout is found in a 4-mile (6.4 km) stretch of
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coloration. Like all cutthroats, it has red coloration in the area of the lower jaw and throat. Historically, it has been reported to grow as large as 4.5 kilograms (9.9 lb).
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In 2022, Colorado Parks and Wildlife announced that the greenback cutthroat trout was discovered to be naturally reproducing having been reintroduced in Herman Gulch.
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the Arkansas River basin. However, recent research has speculated that the greenback cutthroat was only native to the South Platte River basin, while the
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The greenback cutthroat's maximum size is 18 inches (46 cm). It has the largest spots of all cutthroats and is reported to have the most brilliant
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was native to the Arkansas River basin. Although it was common in the late 19th century, it began to decline when settlers arrived in the area.
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fishing of the greenback cutthroat is currently permitted in parts of both the South Platte and Arkansas River basins. The
1067: 1020: 391:. Other subspecies of cutthroat were introduced to greenback habitat, further damaging populations due to hybridization. 1801: 455: 444: 431:, who first identified them as greenbacks, since the river does not flow through anywhere in Kansas. Two decades later, 317: 1198: 506:. Many of the populations previously identified as greenback cutthroat were actually of the similar Colorado River and 94: 1635: 1152: 1689: 1180: 1099: 789:"Recovery History of Greenback Cutthroat Trout: Population Characteristics, Hatchery Involvement, and Bibliography" 507: 1147: 1142: 987: 531: 337: 1162: 1129: 1109: 1104: 1013: 439:
of his day, resolved the apparent impossibility by deciding that Hammond must have collected them on a trip to
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Although the greenback cutthroat was considered extinct by the 1930s, in 1957 a population was discovered in
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under the 1973 Endangered Species Act. Recovery efforts for the greenback cutthroat by the
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had originally been listed as endangered under the 1966 Endangered Species Prevention Act.
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The cutthroat trout is thought to have evolved over the past two million years from other
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NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer
1524: 1422: 1402: 1393: 1324: 1314: 1299: 440: 416: 304: 166: 1370: 788: 266:, today occupies less than 1% of its historical range. It is currently listed as 30: 1729: 1590: 1671: 1622: 1469: 1459: 1349: 1329: 1289: 1279: 1086: 726: 695:"Piecing together the past: using DNA to resolve the heritage of our state fish" 436: 404: 368: 360: 353: 349: 313: 1509: 1474: 1450: 1417: 1309: 1251: 1209: 1046: 463: 275: 156: 146: 1551: 1437: 1344: 499: 106: 1640: 787:
Young, Michael K.; Harig, Amy L.; Rosenlund, Bruce; Kennedy, Chris (2002).
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river basins. Within the past 20,000 years, a population which crossed the
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South Platte regardless of where the samples within actually originated.
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The species was originally thought to have been recorded in 1857 by
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was a key player in the recovery of the greenback cutthroat trout.
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in the water. These factors, along with water diversion for
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of Colorado on March 15, 1994, replacing the unofficial
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Colorado Greenback Cutthroat Trout: A Fisherman's Guide
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in its native river basins led to sediment and toxic
1713: 1574: 1446: 1386: 1258: 1161: 1128: 1085: 1053: 984:"The Incredible Journey of the Greenback Cutthroat" 250:. The greenback cutthroat, once widespread in the 818:"Nearly extinct cutthroat gets new lease on life" 359:The introduction of non-native species such as 1225: 1021: 8: 1562: 1232: 1218: 1210: 1028: 1014: 1006: 407:in 1857. As a corresponding member of the 68: 48: 29: 20: 990:Water Knowledge Resources. Archived from 760:"Greenback Cutthroat Trout Recovery Plan" 1767:NatureServe critically imperiled species 1138:Snake River fine-spotted cutthroat trout 914:. Portland, OR: Frank Amato Publishers. 616:Environmental Conservation Online System 1792:Fauna of the Northwestern United States 767:Greenback Cutthroat Trout Recovery Team 565: 543: 489:In 2012, a genetic study that compared 769:. U.S. Fish and Wildlife Service. 1998 653: 651: 635: 633: 602: 600: 332:gave rise to the greenback cutthroat. 1807:Endangered fauna of the United States 910:Rubingh, Jim; Fritz, Richard (2009). 7: 1782:Freshwater fish of the United States 1192: 893:Cutthroat: Native Trout of the West 246:) is the easternmost subspecies of 929:Wickstrom, Gordon M. (Fall 1998). 618:. U.S. Fish & Wildlife Service 585:. Arlington, Virginia: NatureServe 14: 1812:Taxa named by Edward Drinker Cope 1787:Fish of the Western United States 1545: 1376: 1369: 1363: 1191: 1115:Whitehorse Basin cutthroat trout 1076: 93: 796:Rocky Mountain Research Station 573:NatureServe (2 February 2024). 1171:Colorado River cutthroat trout 527:Ecology of the Rocky Mountains 484:Bozeman National Fish Hatchery 476:Colorado River cutthroat trout 468:U.S. Fish and Wildlife Service 308:species which migrated up the 1: 1068:Lake Crescent cutthroat trout 931:"Bringing Back the Greenback: 865:"Colorado Parks and Wildlife" 1576:Oncorhynchus clarkii stomias 891:Trotter, Patrick C. (2008). 610:Oncorhynchus clarkii stomias 608:"Greenback Cutthroat trout ( 577:Oncorhynchus clarkii stomias 456:Rocky Mountain National Park 243:Oncorhynchus clarkii stomias 213:Oncorhynchus clarkii stomias 1715:Oncorhynchus clarki stomias 1240:Trout and char of the world 1153:Yellowstone cutthroat trout 933:Oncoryhnchus clarki stomias 869:Colorado Parks and Wildlife 551:Oncorhynchus clarki stomias 409:Academy of Natural Sciences 1828: 1181:Rio Grande cutthroat trout 1148:Yellowfin cutthroat trout† 1100:Bonneville cutthroat trout 229: 24:Greenback cutthroat trout 1543: 1361: 1245: 1189: 1176:Greenback cutthroat trout 1143:Westslope cutthroat trout 1074: 1044: 988:Colorado State University 725:Block, Erin (Fall 2014). 704:. Colorado Outdoors. 2012 676:. Colorado State Archives 532:Yellowfin cutthroat trout 338:yellowfin cutthroat trout 238:greenback cutthroat trout 209: 202: 90:Scientific classification 88: 66: 46: 37: 28: 23: 1110:Lahontan cutthroat trout 1105:Humboldt cutthroat trout 274:. It was adopted as the 1465:Blunt-nosed Irish charr 1408:Coastal cutthroat trout 1315:Lake (lacustrine) trout 1095:Alvord cutthroat trout† 1063:Coastal cutthroat trout 942:The American Fly Fisher 822:Bozeman Daily Chronicle 328:during the most recent 1797:Fish described in 1871 1772:ESA threatened species 1120:Paiute cutthroat trout 447:basin in southwestern 272:Endangered Species Act 435:, one of the leading 365:Salvelinus fontinalis 258:drainages of Eastern 54:Critically Imperiled 1554:at Wikimedia Commons 1428:Mexican golden trout 1259:Trout of Europe and 1202:at Wikimedia Commons 1199:Oncorhynchus clarkii 1039:subspecies and forms 508:Rio Grande cutthroat 316:river basins to the 1802:Symbols of Colorado 1325:Mediterranean trout 978:, September 5, 2007 735:Arlington, Virginia 429:Edward Drinker Cope 40:Conservation status 1530:Small-mouthed char 1515:Lough Melvin charr 1490:Dolly Varden trout 460:Big Thompson River 433:David Starr Jordan 425:Fort Riley, Kansas 421:South Platte River 401:William A. Hammond 387:with it, creating 326:Continental Divide 256:South Platte River 195:O. c. stomias 16:Subspecies of fish 1754: 1753: 1698:Open Tree of Life 1568:Taxon identifiers 1559: 1558: 1550:Media related to 1535:Whitespotted char 1207: 1206: 1196:Media related to 921:978-1-57188-447-3 902:978-0-520-25458-9 824:. August 28, 1981 480:Catch and release 413:Drexel University 228: 227: 83: 61: 1819: 1747: 1746: 1734: 1733: 1732: 1706: 1705: 1693: 1692: 1680: 1679: 1667: 1666: 1657: 1656: 1644: 1643: 1631: 1630: 1618: 1617: 1605: 1604: 1595: 1594: 1593: 1563: 1549: 1381: 1380: 1373: 1367: 1300:Garda lake trout 1234: 1227: 1220: 1211: 1195: 1194: 1163:Southern Rockies 1130:Northern Rockies 1080: 1030: 1023: 1016: 1007: 1002: 1000: 999: 963: 961: 960: 954: 939: 925: 906: 879: 878: 876: 875: 861: 855: 854: 852: 851: 840: 834: 833: 831: 829: 814: 808: 807: 805: 803: 798:. RMRS-GTR-88WWW 793: 784: 778: 777: 775: 774: 764: 756: 750: 749: 747: 745: 722: 713: 712: 710: 709: 699: 691: 685: 684: 682: 681: 670: 664: 655: 646: 637: 628: 627: 625: 623: 604: 595: 594: 592: 590: 570: 554: 548: 215: 98: 97: 77: 72: 71: 55: 52: 51: 33: 21: 1827: 1826: 1822: 1821: 1820: 1818: 1817: 1816: 1757: 1756: 1755: 1750: 1742: 1737: 1728: 1727: 1722: 1709: 1701: 1696: 1688: 1683: 1675: 1670: 1662: 1660: 1652: 1647: 1639: 1634: 1626: 1621: 1613: 1608: 1600: 1598: 1589: 1588: 1583: 1570: 1560: 1555: 1539: 1485:Coomsaharn char 1448: 1442: 1413:Cutthroat trout 1391: 1382: 1375: 1374: 1368: 1359: 1263: 1254: 1241: 1238: 1208: 1203: 1185: 1157: 1124: 1081: 1072: 1049: 1040: 1037:Cutthroat trout 1034: 997: 995: 982: 970: 958: 956: 952: 937: 928: 922: 909: 903: 890: 887: 885:Further reading 882: 873: 871: 863: 862: 858: 849: 847: 842: 841: 837: 827: 825: 816: 815: 811: 801: 799: 791: 786: 785: 781: 772: 770: 762: 758: 757: 753: 743: 741: 739:Trout Unlimited 724: 723: 716: 707: 705: 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Retrieved 992:the original 975: 957:. Retrieved 950:the original 945: 941: 932: 911: 892: 872:. Retrieved 868: 859: 848:. Retrieved 846:. Be Boulder 838: 826:. Retrieved 821: 812: 800:. Retrieved 782: 771:. Retrieved 766: 754: 744:November 14, 742:. Retrieved 730: 706:. Retrieved 702:Rogers, K. B 701: 689: 678:. Retrieved 674:"State Fish" 668: 620:. Retrieved 615: 609: 587:. Retrieved 582: 576: 568: 550: 546: 516: 512: 510:subspecies. 488: 453: 441:Fort Bridger 417:Philadelphia 398: 395:Conservation 380: 373:Salmo trutta 372: 364: 358: 334: 305:Oncorhynchus 303: 301: 289: 242: 241: 237: 235: 212: 210: 194: 193: 189:Subspecies: 179: 168:Oncorhynchus 167: 18: 1672:NatureServe 1623:iNaturalist 1495:Haddy charr 1480:Cole's char 1470:Brook trout 1460:Arctic char 1350:Sevan trout 1340:River trout 1330:Ohrid trout 1290:Ferox trout 1280:Brown trout 1087:Great Basin 445:Green River 405:Indian Wars 369:brown trout 361:brook trout 354:overfishing 350:agriculture 322:Yellowstone 286:Description 58:NatureServe 1761:Categories 1510:Lake trout 1475:Bull trout 1451:Salvelinus 1418:Gila trout 1310:Isli trout 1252:Salmonidae 1047:Salmonidae 998:2006-06-17 959:2014-11-16 874:2022-09-24 850:2014-03-04 802:7 February 773:2014-03-04 708:2021-09-01 680:2015-03-22 622:7 February 589:7 February 561:References 496:Bear Creek 464:threatened 385:hybridized 276:state fish 270:under the 268:threatened 157:Salmonidae 75:Threatened 1730:Q15725792 1591:Q61612359 1505:Lake char 1447:True char 1438:Steelhead 1345:Sea trout 500:tributary 443:, in the 381:O. mykiss 175:Species: 113:Kingdom: 107:Eukaryota 1724:Wikidata 1677:2.100015 1585:Wikidata 1355:Sonaghen 1305:Gillaroo 521:See also 310:Columbia 292:spawning 260:Colorado 252:Arkansas 153:Family: 127:Chordata 123:Phylum: 117:Animalia 103:Domain: 1615:5711988 502:of the 458:in the 449:Wyoming 389:cutbows 375:), and 330:ice age 264:Wyoming 223:, 1871) 163:Genus: 143:Order: 133:Class: 78: ( 56: ( 1744:914084 1703:135023 1690:453929 1654:201901 1628:196524 1599:ECOS: 918:  899:  828:May 6, 346:runoff 342:Mining 1661:NAS: 1641:71801 1552:Trout 1266:Salmo 1248:Trout 953:(PDF) 938:(PDF) 792:(PDF) 763:(PDF) 731:Trout 698:(PDF) 662:16343 538:Notes 318:Green 314:Snake 1739:ITIS 1685:NCBI 1649:ITIS 1610:GBIF 1602:2775 916:ISBN 897:ISBN 830:2012 804:2024 746:2014 644:4001 624:2024 591:2024 498:, a 352:and 320:and 312:and 254:and 236:The 221:Cope 1664:900 1636:ISC 657:43 639:32 491:DNA 423:at 415:in 411:at 367:), 80:ESA 1763:: 1741:: 1726:: 1700:: 1687:: 1674:: 1651:: 1638:: 1625:: 1612:: 1587:: 1250:- 986:. 946:24 944:. 940:. 867:. 820:. 765:. 737:: 733:. 729:. 717:^ 700:. 659:FR 650:^ 641:FR 632:^ 614:. 612:)" 599:^ 581:. 478:. 282:. 1233:e 1226:t 1219:v 1029:e 1022:t 1015:v 1001:. 962:. 935:" 924:. 905:. 877:. 853:. 832:. 806:. 776:. 748:. 711:. 683:. 626:. 593:. 579:" 575:" 379:( 371:( 363:( 240:( 219:( 82:) 60:)

Index


Conservation status
NatureServe
Threatened
ESA
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Actinopterygii
Salmoniformes
Salmonidae
Oncorhynchus
O. clarkii
Trinomial name
Cope
Cutthroat trout
cutthroat trout
Arkansas
South Platte River
Colorado
Wyoming
threatened
Endangered Species Act
state fish
rainbow trout
spawning
Oncorhynchus
Columbia

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