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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
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355:(University of California Press, 2002), pp. 434–435
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228:These mudsuckers occur in estuaries, primarily in
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307:10.2305/IUCN.UK.2019-2.RLTS.T184044A169971190.en
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261:for freshwater fishing, such as on the
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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:
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654:Taxa named by James Graham Cooper
282:Findley, L.; Lyons, T.J. (2019).
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1:
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353:Inland Fishes of California
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244:Their range extends from
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61:Scientific classification
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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
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572:Open Tree of Life
387:Taxon identifiers
188:longjaw mudsucker
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152:G. mirabilis
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343:Further reading
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250:Bahia Magdalena
211:Baja California
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16:Species of fish
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360:Froese, Rainer
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349:Peter B. Moyle
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108:Actinopterygii
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161:Binomial name
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46:Least Concern
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311:. Retrieved
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177:J. G. Cooper
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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
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197:(
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