Knowledge (XXG)

Mary River cod

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66: 41: 272:, they are striking looking, golden-yellow to dark green or brown, deep-bodied fish with dark green to black mottling. Curiously, Mary River cod have a slightly shorter, thicker caudal peduncle (tail wrist) than the other cod species. 330:
and lakes Dyer (Bill Gunn dam) and Clarendon- the fish is a no-take species, and any caught should be carefully released. A strict bag limit of one fish with a minimum size of 50 cm applies to the stocked impoundments.
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As of 2010, after studies of mitochondrial and nuclear DNA, the Mary River cod has been raised to full species status. This research reveals the Mary River cod's closest relative is the eastern freshwater cod
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The Mary River cod is a large fish recorded up to almost 40 kg and 120 cm in the early years of European settlement, but now are mostly less than 5 kg and 70 cm.
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Nock C.J., Elphinstone M.S., Rowland S.J. and Baverstock, P.R. (2010). Phylogenetics and revised taxonomy of the Australianfreshwater cod genus,
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Outside of a few stocked Queensland impoundments- upstream of the walls of Cressbrook, Hinze, Maroon, Moogerah, North Pine, Somerset, and
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cod species, as it has with all its close relatives. It is estimated that just 600 individuals survived in the wild in the 1980s.
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Simpson, R.R. and Mapleston, A.J. (2002). Movements and Habitat Use by the Endangered Australian Freshwater Mary River cod,
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The species is very territorial, staying in the same spot for 98% of the time, leaving only to feed and breed.
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Taxonomically, the Mary River cod was originally described as a subspecies of the Murray cod,
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Incredibly abundant at the time of the first European settlement, Mary River Cod were grossly
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and weirs blocking migration, rapidly caught up with this large, slow-growing, long-lived
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cods found or once found in coastal river systems of eastern Australia.
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and is estimated to only occur in less than 30% of its historic range.
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The endangered status of the fish was one of the reasons that the
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Environment Protection and Biodiversity Conservation Act 1999
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Brooks, S.; Butler, G.; Kennard, M.; Espinoza, T. (2019).
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10.2305/IUCN.UK.2019-3.RLTS.T122906177A123382286.en
299:by the early European settlers and, as with other 343:based on studies of muscle proteins and enzymes. 8: 589: 459:"Mary River Cod, Maccullochella mariensis" 39: 20: 395: 452: 450: 448: 446: 444: 442: 512:Nichols, Jennifer (26 September 2023). 364: 303:cods, were even used as pig feed. This 486:Nichols, Jennifer (29 January 2018). 481: 479: 7: 383:IUCN Red List of Threatened Species 14: 798:IUCN Red List endangered species 566:Records of the Australian Museum 280:The Mary River Cod is listed as 64: 580:Environmental Biology of Fishes 576:Maccullochella peelii mariensis 195:Maccullochella peelii mariensis 543:Marine and Freshwater Research 264:Very similar in appearance to 1: 813:Freshwater fish of Queensland 457:Gomon, Martin; Bray, Dianne. 307:, combined with the massive 834: 390:: e.T122906177A123382286. 250:was not able to be built. 191: 184: 166: 159: 61:Scientific classification 59: 37: 28: 23: 632:Maccullochella_mariensis 603:Maccullochella mariensis 435:. February 2014 version. 425:Maccullochella mariensis 421:; Pauly, Daniel (eds.). 376:Maccullochella mariensis 214:Maccullochella mariensis 170:Maccullochella mariensis 808:Mary River (Queensland) 818:Fish described in 1993 556:Rowland, S.J. (1993). 295:with nets, lines, and 270:eastern freshwater cod 248:Traveston Crossing Dam 225:native to the coastal 341:Maccullochella peelii 311:of their habitats by 558:Maccullochella ikei 463:Fishes of Australia 349:Maccullochella ikei 229:system of southern 31:Conservation status 562:M.peelii mariensis 541:(Percichthyidae). 785: 784: 744:Open Tree of Life 595:Taxon identifiers 205: 204: 199: 152:M. mariensis 54: 825: 778: 777: 765: 764: 752: 751: 739: 738: 726: 725: 713: 712: 700: 699: 687: 686: 674: 673: 661: 660: 648: 647: 635: 634: 622: 621: 620: 590: 549: 535: 529: 528: 526: 524: 509: 503: 502: 500: 498: 483: 474: 473: 471: 469: 454: 437: 436: 415: 409: 408: 406: 404: 399: 369: 197: 172: 69: 68: 48: 43: 42: 21: 833: 832: 828: 827: 826: 824: 823: 822: 788: 787: 786: 781: 773: 768: 760: 755: 747: 742: 734: 731:Observation.org 729: 721: 716: 708: 703: 695: 690: 682: 677: 669: 664: 656: 651: 643: 638: 630: 625: 616: 615: 610: 597: 553: 552: 536: 532: 522: 520: 511: 510: 506: 496: 494: 485: 484: 477: 467: 465: 456: 455: 440: 417: 416: 412: 402: 400: 371: 370: 366: 361: 337: 278: 259: 223:temperate perch 180: 174: 168: 155: 63: 55: 44: 40: 33: 24:Mary River Cod 17: 16:Species of fish 12: 11: 5: 831: 829: 821: 820: 815: 810: 805: 803:Maccullochella 800: 790: 789: 783: 782: 780: 779: 766: 753: 740: 727: 714: 701: 688: 675: 662: 649: 636: 623: 607: 605: 599: 598: 593: 587: 586: 572: 551: 550: 539:Maccullochella 530: 504: 475: 438: 419:Froese, Rainer 410: 363: 362: 360: 357: 353:Clarence River 336: 335:Classification 333: 321:Maccullochella 301:Maccullochella 277: 274: 258: 255: 240:Maccullochella 209:Mary River cod 203: 202: 201: 200: 189: 188: 182: 181: 175: 164: 163: 157: 156: 149: 147: 143: 142: 139:Maccullochella 135: 131: 130: 128:Percichthyidae 125: 121: 120: 115: 111: 110: 108:Actinopterygii 105: 101: 100: 95: 91: 90: 85: 81: 80: 75: 71: 70: 57: 56: 38: 35: 34: 29: 26: 25: 15: 13: 10: 9: 6: 4: 3: 2: 830: 819: 816: 814: 811: 809: 806: 804: 801: 799: 796: 795: 793: 776: 771: 767: 763: 758: 754: 750: 745: 741: 737: 732: 728: 724: 719: 715: 711: 706: 702: 698: 693: 689: 685: 680: 676: 672: 667: 663: 659: 654: 650: 646: 641: 637: 633: 628: 624: 619: 613: 609: 608: 606: 604: 600: 596: 591: 584: 581: 577: 573: 570: 567: 563: 559: 555: 554: 547: 544: 540: 534: 531: 519: 515: 508: 505: 493: 489: 482: 480: 476: 464: 460: 453: 451: 449: 447: 445: 443: 439: 434: 433: 428: 426: 420: 414: 411: 398: 393: 389: 385: 384: 379: 377: 368: 365: 358: 356: 354: 350: 344: 342: 334: 332: 329: 328:Wivenhoe Dams 324: 322: 318: 314: 313:land clearing 310: 306: 302: 298: 294: 289: 287: 283: 275: 273: 271: 267: 262: 256: 254: 251: 249: 244: 242: 241: 236: 232: 228: 224: 220: 216: 215: 210: 198:Rowland, 1993 196: 193: 192: 190: 187: 183: 178: 173: 171: 165: 162: 161:Binomial name 158: 154: 153: 148: 145: 144: 141: 140: 136: 133: 132: 129: 126: 123: 122: 119: 116: 113: 112: 109: 106: 103: 102: 99: 96: 93: 92: 89: 86: 83: 82: 79: 76: 73: 72: 67: 62: 58: 52: 47: 36: 32: 27: 22: 19: 602: 582: 579: 575: 568: 565: 561: 557: 545: 542: 538: 533: 521:. Retrieved 517: 507: 495:. Retrieved 491: 466:. Retrieved 462: 430: 424: 413: 401:. Retrieved 387: 381: 375: 367: 348: 345: 340: 338: 325: 320: 300: 290: 279: 276:Conservation 263: 260: 252: 245: 238: 213: 212: 208: 206: 194: 169: 167: 151: 150: 138: 18: 679:iNaturalist 523:22 November 497:22 November 468:3 September 403:19 November 305:overfishing 257:Description 118:Perciformes 792:Categories 548:: 980–991. 359:References 297:explosives 293:overfished 284:under the 282:Endangered 266:Murray cod 231:Queensland 227:Mary River 46:Endangered 710:122906177 351:) of the 309:siltation 235:Australia 146:Species: 84:Kingdom: 78:Eukaryota 697:11462790 653:FishBase 618:Q6780612 612:Wikidata 585:401–410. 571:121-145. 518:ABC News 492:ABC News 432:FishBase 355:system. 186:Synonyms 124:Family: 98:Chordata 94:Phylum: 88:Animalia 74:Domain: 51:IUCN 3.1 775:1011073 671:5962163 219:species 217:) is a 177:Rowland 134:Genus: 114:Order: 104:Class: 49: ( 749:538665 736:906485 723:135763 684:530607 179:, 1993 770:WoRMS 762:83806 757:SPRAT 692:IRMNG 658:26479 645:3WXQF 718:NCBI 705:IUCN 666:GBIF 525:2023 499:2023 470:2014 405:2021 388:2019 317:dams 268:and 207:The 640:CoL 627:AFD 583:65: 578:. 569:45: 392:doi 221:of 794:: 772:: 759:: 746:: 733:: 720:: 707:: 694:: 681:: 668:: 655:: 642:: 629:: 614:: 546:61 516:. 490:. 478:^ 461:. 441:^ 429:. 386:. 380:. 233:, 527:. 501:. 472:. 427:" 423:" 407:. 394:: 378:" 374:" 347:( 211:( 53:)

Index

Conservation status
Endangered
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Actinopterygii
Perciformes
Percichthyidae
Maccullochella
Binomial name
Rowland
Synonyms
species
temperate perch
Mary River
Queensland
Australia
Maccullochella
Traveston Crossing Dam
Murray cod
eastern freshwater cod
Endangered
Environment Protection and Biodiversity Conservation Act 1999
overfished
explosives
overfishing
siltation

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