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Longjaw mudsucker

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As the common name suggests, the upper jaw is extremely long, reaching nearly to the opercular opening. The head is broad and flat, with the eyes placed close to the top (but still widely spaced). Overall color is a dark brown to olive on the upper parts, and yellowish below; a faint pattern of
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in the south. There is a disjunct population of longjaw mudsuckers in the northern section of the Gulf of California; this population has been evolving independently of populations in California/western Baja for an estimated 284 thousand years. A population in the
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with shallow mud-covered bottoms, where they often excavate burrows. When the tide goes out and the mud is exposed, they will retreat to their burrows or move into tidal channels; if trapped on the mud, they can wait for the next tide by gulping air
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in the throat. They feed on nearly anything they can find in the mud, including small fish such as
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Genomic Analysis of Disjunct Marine Fish Populations of the Northeastern Pacific and Sea of Cortez
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is relatively small, with 4-8 spines, while the second dorsal fin is larger, with 10-17 rays. The
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are broad and rounded, with from 15 to 23 rays. They can reach lengths of 21 cm.
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vertical bars may be visible, and are prominent in juveniles. The first
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was introduced in 1950, and now thrives there. They are considered good
462: 449: 254: 218: 206: 475: 258: 77: 380: 444: 403: 372: 198: 97: 610: 563: 87: 584: 275: 194: 355:(University of California Press, 2002), pp. 434–435 281: 228:These mudsuckers occur in estuaries, primarily in 630: 307:10.2305/IUCN.UK.2019-2.RLTS.T184044A169971190.en 39: 305: 358: 261:for freshwater fishing, such as on the 631: 327: 385: 384: 616:4DAF34A5-0A0B-4314-AE7B-D9C5A15B9AD5 590:23E22E75-615D-DFC5-2723-388866CD6DC5 639:IUCN Red List least concern species 293:IUCN Red List of Threatened Species 13: 342: 14: 665: 654:Taxa named by James Graham Cooper 282:Findley, L.; Lyons, T.J. (2019). 64: 321: 1: 268: 7: 353:Inland Fishes of California 10: 670: 393: 244:Their range extends from 166: 159: 61:Scientific classification 59: 37: 28: 23: 362:; Pauly, Daniel (eds.). 334:(Thesis). UC Santa Cruz. 300:: e.T184044A169971190. 235:buccopharyngeal chamber 649:Fish described in 1864 395:Gillichthys mirabilis 376:. April 2006 version. 366:Gillichthys mirabilis 328:Garcia, Eric (2018). 286:Gillichthys mirabilis 191:Gillichthys mirabilis 170:Gillichthys mirabilis 239:California killifish 31:Conservation status 24:Longjaw mudsucker 626: 625: 572:Open Tree of Life 387:Taxon identifiers 188:longjaw mudsucker 184: 183: 152:G. mirabilis 54: 661: 619: 618: 606: 605: 593: 592: 580: 579: 567: 566: 554: 553: 541: 540: 528: 527: 518: 517: 505: 504: 492: 491: 479: 478: 466: 465: 453: 452: 440: 439: 427: 426: 414: 413: 412: 382: 381: 377: 336: 335: 325: 319: 318: 316: 314: 309: 279: 248:in the north to 172: 69: 68: 48: 43: 42: 21: 20: 669: 668: 664: 663: 662: 660: 659: 658: 629: 628: 627: 622: 614: 609: 601: 596: 588: 583: 575: 570: 562: 557: 549: 544: 536: 531: 523: 521: 513: 508: 500: 495: 487: 482: 474: 469: 461: 456: 448: 443: 435: 430: 422: 417: 408: 407: 402: 389: 345: 343:Further reading 340: 339: 326: 322: 312: 310: 280: 276: 271: 250:Bahia Magdalena 211:Baja California 180: 174: 168: 155: 63: 55: 44: 40: 33: 17: 16:Species of fish 12: 11: 5: 667: 657: 656: 651: 646: 641: 624: 623: 621: 620: 607: 594: 581: 568: 555: 542: 529: 519: 506: 493: 480: 467: 454: 441: 428: 415: 399: 397: 391: 390: 379: 378: 360:Froese, Rainer 356: 349:Peter B. Moyle 344: 341: 338: 337: 320: 273: 272: 270: 267: 263:Colorado River 182: 181: 175: 164: 163: 157: 156: 149: 147: 143: 142: 135: 131: 130: 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: 9: 6: 4: 3: 2: 666: 655: 652: 650: 647: 645: 642: 640: 637: 636: 634: 617: 612: 608: 604: 599: 595: 591: 586: 582: 578: 573: 569: 565: 560: 556: 552: 547: 543: 539: 534: 530: 526: 520: 516: 511: 507: 503: 498: 494: 490: 485: 481: 477: 472: 468: 464: 459: 455: 451: 446: 442: 438: 433: 429: 425: 420: 416: 411: 405: 401: 400: 398: 396: 392: 388: 383: 375: 374: 369: 367: 361: 357: 354: 350: 347: 346: 333: 332: 324: 308: 303: 299: 295: 294: 289: 287: 278: 274: 266: 264: 260: 256: 251: 247: 242: 240: 236: 231: 230:tidal sloughs 226: 224: 223:pectoral fins 220: 214: 212: 208: 204: 203:Pacific Ocean 200: 196: 192: 189: 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: 46:Least Concern 36: 32: 27: 22: 19: 394: 371: 365: 352: 330: 323: 311:. Retrieved 297: 291: 285: 277: 243: 227: 215: 190: 187: 185: 177:J. G. Cooper 169: 167: 151: 150: 138: 18: 644:Gillichthys 533:NatureServe 471:iNaturalist 313:19 November 246:Tomales Bay 139:Gillichthys 128:Oxudercidae 118:Gobiiformes 633:Categories 269:References 255:Salton Sea 219:dorsal fin 207:California 259:bait fish 205:coast of 201:) of the 146:Species: 84:Kingdom: 78:Eukaryota 538:2.104536 489:10977503 445:FishBase 404:Wikidata 373:FishBase 199:Gobiidae 124:Family: 98:Chordata 94:Phylum: 88:Animalia 74:Domain: 51:IUCN 3.1 611:ZooBank 463:2378639 410:Q369614 134:Genus: 114:Order: 104:Class: 49: ( 603:280851 577:308746 564:280851 515:184044 502:171967 476:101455 179:, 1864 598:WoRMS 585:Plazi 522:NAS: 484:IRMNG 437:3G33W 424:53785 193:is a 559:OBIS 551:8222 546:NCBI 510:IUCN 497:ITIS 458:GBIF 450:3854 419:BOLD 315:2021 298:2019 209:and 195:goby 186:The 525:708 432:CoL 302:doi 635:: 613:: 600:: 587:: 574:: 561:: 548:: 535:: 512:: 499:: 486:: 473:: 460:: 447:: 434:: 421:: 406:: 370:. 351:, 296:. 290:. 368:" 364:" 317:. 304:: 288:" 284:" 197:( 53:)

Index

Conservation status
Least Concern
IUCN 3.1
Scientific classification
Edit this classification
Eukaryota
Animalia
Chordata
Actinopterygii
Gobiiformes
Oxudercidae
Gillichthys
Binomial name
J. G. Cooper
goby
Gobiidae
Pacific Ocean
California
Baja California
dorsal fin
pectoral fins
tidal sloughs
buccopharyngeal chamber
California killifish
Tomales Bay
Bahia Magdalena
Salton Sea
bait fish
Colorado River
"Gillichthys mirabilis"

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