1. Species Opistognathus adelus Smith-Vaniz, 2010
2. Species Opistognathus afer Smith-Vaniz, 2010
3. Species Opistognathus albicaudatus Smith-Vaniz, 2011
4. Species Opistognathus alleni Smith-Vaniz, 2004
5. Species Opistognathus annulatus (Eibl-Eibesfeldt & Klausewitz, 1961)
6. Species Opistognathus aurifrons (Jordan & Thompson, 1905)
7. Species Opistognathus brasiliensis Smith-Vaniz, 1997
8. Species Opistognathus brochus Bussing & Lavenberg, 2003
9. Species Opistognathus castelnaui Bleeker, 1860
10. Species Opistognathus crassus Smith-Vaniz, 2010
11. Species Opistognathus cryos Su & Ho, 2024
12. Species Opistognathus ctenion Fujiwara, Motomura & Shinohara, 2023
13. Species Opistognathus cuvierii Valenciennes, 1836
14. Species Opistognathus cyanospilotus Smith-Vaniz, 2009
15. Species Opistognathus darwiniensis MacLeay, 1878
16. Species Opistognathus decorus Smith-Vaniz & Yoshino, 1985
17. Species Opistognathus dendriticus (Jordan & Richardson, 1908)
18. Species Opistognathus dipharus Smith-Vaniz, 2010
19. Species Opistognathus elizabethensis Smith-Vaniz, 2004
20. Species Opistognathus ensiferus Smith-Vaniz, 2016
21. Species Opistognathus evermanni (Jordan & Snyder, 1902)
22. Species Opistognathus eximius (Ogilby, 1908)
23. Species Opistognathus fenmutis Acero P. & Franke, 1993
24. Species Opistognathus fossoris Bussing & Lavenberg, 2003
25. Species Opistognathus galapagensis Allen & Robertson, 1991
26. Species Opistognathus gilberti Böhlke, 1967
27. Species Opistognathus hongkongiensis Chan, 1968
28. Species Opistognathus hopkinsi (Jordan & Snyder, 1902)
29. Species Opistognathus inornatus Ramsay & Ogilby, 1887
30. Species Opistognathus iyonis (Jordan & Thompson, 1913)
31. Species Opistognathus jacksoniensis MacLeay, 1881
32. Species Opistognathus latitabundus (Whitley, 1937)
33. Species Opistognathus leprocarus Smith-Vaniz, 1997
34. Species Opistognathus liturus Smith-Vaniz & Yoshino, 1985
35. Species Opistognathus lonchurus Jordan & Gilbert, 1882
36. Species Opistognathus longinaris Smith-Vaniz, 2010
37. Species Opistognathus macrognathus Poey, 1860
38. Species Opistognathus macrolepis Peters, 1866
39. Species Opistognathus margaretae Smith-Vaniz, 1983
40. Species Opistognathus maxillosus Poey, 1860
41. Species Opistognathus megalepis Smith-Vaniz, 1972
42. Species Opistognathus melachasme Smith-Vaniz, 1972
43. Species Opistognathus mexicanus Allen & Robertson, 1991
44. Species Opistognathus muscatensis Boulenger, 1888
45. Species Opistognathus nigromarginatus Rüppell, 1830
46. Species Opistognathus nothus Smith-Vaniz, 1997
47. Species Opistognathus ocellicaudatus Shinohara, 2021
48. Species Opistognathus panamaensis Allen & Robertson, 1991
49. Species Opistognathus papuensis Bleeker, 1868
50. Species Opistognathus pardus Smith-Vaniz, Bineesh & Akhilesh, 2012
51. Species Opistognathus punctatus Peters, 1869
52. Species Opistognathus randalli Smith-Vaniz, 2009
53. Species Opistognathus reticeps Smith-Vaniz, 2004
54. Species Opistognathus reticulatus (McKay, 1969)
55. Species Opistognathus rhomaleus Jordan & Gilbert, 1882
56. Species Opistognathus robinsi Smith-Vaniz, 1997
57. Species Opistognathus rosenbergii Bleeker, 1856
58. Species Opistognathus rosenblatti Allen & Robertson, 1991
59. Species Opistognathus rufilineatus Smith-Vaniz & Allen, 2007
60. Species Opistognathus schrieri Smith-Vaniz, 2017
61. Species Opistognathus scops (Jenkins & Evermann, 1889)
62. Species Opistognathus seminudus Smith-Vaniz, 2004
63. Species Opistognathus signatus Smith-Vaniz, 1997
64. Species Opistognathus simus Smith-Vaniz, 2010
65. Species Opistognathus smithvanizi Bussing & Lavenberg, 2003
66. Species Opistognathus solorensis Bleeker, 1853
67. Species Opistognathus stigmosus Smith-Vaniz, 2004
68. Species Opistognathus thionyi Smith-Vaniz, Tornabene & Macieira, 2018
69. Species Opistognathus trimaculatus Hiramatsu & Endo, 2013
70. Species Opistognathus variabilis Smith-Vaniz, 2009
71. Species Opistognathus verecundus Smith-Vaniz, 2004
72. Species Opistognathus vicinus Smith-Vaniz, Tornabene & Macieira, 2018
73. Species Opistognathus walkeri Bussing & Lavenberg, 2003
74. Species Opistognathus whitehursti (Longley, 1927)
75. Species Opistognathus cuvieri Valenciennes, 1836 accepted as Opistognathus cuvierii Valenciennes, 1836 (misspelling)
76. Species Opistognathus darwinensis MacLeay, 1878 accepted as Opistognathus darwiniensis MacLeay, 1878 (misspelling)
77. Species Opistognathus jacksiensis MacLeay, 1881 accepted as Opistognathus jacksoniensis MacLeay, 1881 (misspelling)
78. Species Opistognathus latitabunda (Whitley, 1937) accepted as Opistognathus latitabundus (Whitley, 1937) (misspelling)
79. Species Opistognathus macrostomus Rüppell, 1830 accepted as Opistognathus nigromarginatus Rüppell, 1830 (junior synonym)
80. Species Opistognathus rosenbergi Bleeker, 1856 accepted as Opistognathus rosenbergii Bleeker, 1856 (misspelling)
81. Species Opistognathus scaphiurus Goode & Bean, 1882 accepted as Opistognathus macrognathus Poey, 1860
82. Species Opistognathus sonneratii Cuvier, 1816 accepted as Opistognathus nigromarginatus Rüppell, 1830
83. Species Opistognathus whitehurstii (Longley, 1927) accepted as Opistognathus whitehursti (Longley, 1927) (misspelling)

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