# Opistognathus

Opistognathus is a genus of fish in the family Opistognathidae found in the Atlantic, Indian and Pacific Ocean.

## Species

There are currently 72 recognized species in this genus:
* Opistognathus adelus Smith-Vaniz, 2010 (Obscure jawfish)
* Opistognathus afer Smith-Vaniz, 2010 (African jawfish)
* Opistognathus albicaudatus Smith-Vaniz, 2011 (White-tail jawfish)
* Opistognathus alleni Smith-Vaniz, 2004 (Abrolhos jawfish)
* Opistognathus annulatus (Eibl-Eibesfeldt & Klausewitz, 1961)
* Opistognathus aurifrons (D. S. Jordan & J. C. Thompson, 1905) (Yellow-head jawfish)
* Opistognathus brasiliensis Smith-Vaniz, 1997 (Dark-fin jawfish)
* Opistognathus brochus W. A. Bussing & Lavenberg, 2003
* Opistognathus castelnaui Bleeker, 1860 (Castelnau's jawfish)
* Opistognathus crassus Smith-Vaniz, 2010 (Stout jawfish)
* Opistognathus cryos Su & Ho 2024
* Opistognathus cuvierii Valenciennes, 1836 (Bar-tail jawfish)
* Opistognathus cyanospilotus Smith-Vaniz, 2009 (Blue-blotch jawfish)
* Opistognathus darwiniensis W. J. Macleay, 1878 (Darwin jawfish)
* Opistognathus decorus Smith-Vaniz & Yoshino, 1985
* Opistognathus dendriticus (D. S. Jordan & R. E. Richardson, 1908) (Dendtric jawfish)
* Opistognathus dipharus Smith-Vaniz, 2010 (Tail-beacon jawfish)
* Opistognathus elizabethensis Smith-Vaniz, 2004 (Elizabeth Reef jawfish)
* Opistognathus ensiferus Smith-Vaniz, 2016
* Opistognathus evermanni (D. S. Jordan & Snyder, 1902)
* Opistognathus eximius (J. D. Ogilby, 1908) (Harlequin jawfish)
* Opistognathus fenmutis Acero P & Franke, 1993
* Opistognathus fossoris W. A. Bussing & Lavenberg, 2003
* Opistognathus galapagensis G. R. Allen & D. R. Robertson, 1991 (Galapagos jawfish)
* Opistognathus gilberti J. E. Böhlke, 1967 (Yellow jawfish)
* Opistognathus hongkongiensis W. L. Y. Chan, 1968
* Opistognathus hopkinsi (D. S. Jordan & Snyder, 1902)
* Opistognathus inornatus E. P. Ramsay & J. D. Ogilby, 1887 (Black jawfish)
* Opistognathus iyonis (D. S. Jordan & W. F. Thompson, 1913)
* Opistognathus jacksoniensis W. J. Macleay, 1881 (Jawfish)
* Opistognathus latitabundus (Whitley, 1937) (Blotched jawfish)
* Opistognathus leprocarus Smith-Vaniz, 1997 (Rough-cheek jawfish)
* Opistognathus liturus Smith-Vaniz & Yoshino, 1985
* Opistognathus lonchurus D. S. Jordan & C. H. Gilbert, 1882 (Moustache jawfish)
* Opistognathus longinaris Smith-Vaniz, 2010 (Long-nostril jawfish)
* Opistognathus macrognathus Poey, 1860 (Banded jawfish)
* Opistognathus macrolepis W. K. H. Peters, 1866 (Big-scale jawfish)
* Opistognathus margaretae Smith-Vaniz, 1983 (Half-scaled jawfish)
* Opistognathus maxillosus Poey, 1860 (Mottled jawfish)
* Opistognathus megalepis Smith-Vaniz, 1972 (Large-scale jawfish)
* Opistognathus melachasme Smith-Vaniz, 1972 (Yellow-mouth jawfish)
* Opistognathus mexicanus G. R. Allen & D. R. Robertson, 1991 (Mexican jawfish)
* Opistognathus muscatensis Boulenger, 1888 (Robust jawfish)
* Opistognathus nigromarginatus Rüppell, 1830 (Birdled jawfish)
* Opistognathus nothus Smith-Vaniz, 1997
* Opistognathus panamaensis G. R. Allen & D. R. Robertson, 1991 (Panamanian jawfish)
* Opistognathus papuensis Bleeker, 1868 (Papuan jawfish)
* Opistognathus pardus Smith-Vaniz, Bineesh & Akhilesh, 2012 (Leopard jawfish)
* Opistognathus punctatus W. K. H. Peters, 1869 (Fine-spotted jawfish)
* Opistognathus randalli Smith-Vaniz, 2009 (Gold-specs jawfish)
* Opistognathus reticeps Smith-Vaniz, 2004
* Opistognathus reticulatus (McKay, 1969) (Reticulated jawfish)
* Opistognathus rhomaleus D. S. Jordan & C. H. Gilbert, 1882 (Giant jawfish)
* Opistognathus robinsi Smith-Vaniz, 1997 (Spot-fin jawfish)
* Opistognathus rosenbergii Bleeker, 1856 (Rosenberg's jawfish)
* Opistognathus rosenblatti G. R. Allen & D. R. Robertson, 1991 (Blue-spotted jawfish)
* Opistognathus rufilineatus Smith-Vaniz & G. R. Allen, 2007 (Red-lined jawfish)
* Opistognathus scops (O. P. Jenkins & Evermann, 1889) (Bulls-eye jawfish)
* Opistognathus seminudus Smith-Vaniz, 2004 (Half-naked jawfish)
* Opistognathus signatus Smith-Vaniz, 1997
* Opistognathus simus Smith-Vaniz, 2010 (Cargados jawfish)
* Opistognathus smithvanizi W. A. Bussing & Lavenberg, 2003
* Opistognathus solorensis Bleeker, 1853 (Solor jawfish)
* Opistognathus stigmosus Smith-Vaniz, 2004 (Coral Sea jawfish)
* Opistognathus trimaculatus Hiramatsu & Endo, 2013 (Five-banded jawfish)
* Opistognathus variabilis Smith-Vaniz, 2009 (Variable jawfish)
* Opistognathus verecundus Smith-Vaniz, 2004 (Bashful jawfish)
* Opistognathus walkeri W. A. Bussing & Lavenberg, 2003
* Opistognathus whitehursti (Longley, 1927) (Dusky jawfish)
* Opistognathus ctenion Fujiwara, Motomura & Shinohara, 2023
* Opistognathus schrieri Smith-Vaniz, 2017
* Opistognathus thionyi Smith-Vaniz, Tornabene & Macieira, 2018
* Opistognathus vicinus Smith-Vaniz, Tornabene & Macieira, 2018
* Opistognathus ocellicaudatus Shinohara, 2021
* Opistognathus wharekuriensis Schwarzhans, 2019