1. Species Cottus aleuticus Gilbert, 1896
2. Species Cottus amblystomopsis Schmidt, 1904
3. Species Cottus asper Richardson, 1836
4. Species Cottus bairdii Girard, 1850
5. Species Cottus cognatus Richardson, 1836
6. Species Cottus gobio Linnaeus, 1758
7. Species Cottus hangiongensis Mori, 1930
8. Species Cottus microstomus Heckel, 1837
9. Species Cottus poecilopus Heckel, 1837
10. Species Cottus acadian Walbaum, 1792 accepted as Hemitripterus americanus (Gmelin, 1789)
11. Species Cottus aenaeus Mitchill, 1814 accepted as Myoxocephalus aenaeus (Mitchill, 1814)
12. Species Cottus affinis Heckel, 1837 accepted as Cottus gobio Linnaeus, 1758
13. Species Cottus australis White, 1790 accepted as Centropogon australis (White, 1790)
14. Species Cottus axillaris (Gill, 1859) accepted as Myoxocephalus scorpioides (Fabricius, 1780)
15. Species Cottus bathybius Günther, 1878 accepted as Zesticelus bathybius (Günther, 1878)
16. Species Cottus bicornis Reinhardt, 1840 accepted as Icelus bicornis (Reinhardt, 1840)
17. Species Cottus boleoides Girard, 1850 accepted as Cottus cognatus Richardson, 1836
18. Species Cottus brandtii Steindachner, 1867 accepted as Myoxocephalus brandtii (Steindachner, 1867)
19. Species Cottus brodamus Bonnaterre, 1788 accepted as Agonus cataphractus (Linnaeus, 1758)
20. Species Cottus bubalis Euphrasen, 1786 accepted as Taurulus bubalis (Euphrasen, 1786) (synonym)
21. Species Cottus cataphractus Linnaeus, 1758 accepted as Agonus cataphractus (Linnaeus, 1758) (synonym)
22. Species Cottus chamberlaini Evermann & Goldsborough, 1907 accepted as Cottus cognatus Richardson, 1836
23. Species Cottus claviger Cuvier, 1829 accepted as Enophrys diceraus (Pallas, 1787) (synonym)
24. Species Cottus decastrensis Kner, 1865 accepted as Myoxocephalus stelleri Tilesius, 1811
25. Species Cottus diceraus Pallas, 1787 accepted as Enophrys diceraus (Pallas, 1787)
26. Species Cottus ferrugineus Heckel & Kner, 1858 accepted as Cottus gobio Linnaeus, 1758
27. Species Cottus formosus Girard, 1851 accepted as Cottus cognatus Richardson, 1836
28. Species Cottus franklini Agassiz, 1850 accepted as Cottus cognatus Richardson, 1836
29. Species Cottus gracilis Heckel, 1837 accepted as Cottus cognatus Richardson, 1836
30. Species Cottus grewingkii Dybowski, 1874 accepted as Cottocomephorus grewingkii (Dybowski, 1874)
31. Species Cottus groenlandicus Cuvier, 1829 accepted as Myoxocephalus scorpius (Linnaeus, 1758)
32. Species Cottus grunniens Linnaeus, 1758 accepted as Allenbatrachus grunniens (Linnaeus, 1758)
33. Species Cottus grunniens Linnaeus, 1758 accepted as Raniceps raninus (Linnaeus, 1758)
34. Species Cottus hangionensis Mori, 1930 accepted as Cottus hangiongensis Mori, 1930 (misspelling)
35. Species Cottus hemilepidotus Tilesius, 1811 accepted as Hemilepidotus hemilepidotus (Tilesius, 1811)
36. Species Cottus hexacornis Richardson, 1823 accepted as Myoxocephalus quadricornis (Linnaeus, 1758)
37. Species Cottus hispidus Bloch & Schneider, 1801 accepted as Hemitripterus americanus (Gmelin, 1789)
38. Species Cottus hongiongensis Mori, 1930 accepted as Cottus hangiongensis Mori, 1930 (misspelling)
39. Species Cottus humilis Bean, 1881 accepted as Myoxocephalus jaok (Cuvier, 1829)
40. Species Cottus indicus Bonnaterre, 1788 accepted as Aspidophoroides monopterygius (Bloch, 1786)
41. Species Cottus indus Linnaeus, 1764 accepted as Allenbatrachus grunniens (Linnaeus, 1758)
42. Species Cottus insidiator Forsskål, 1775 accepted as Platycephalus indicus (Linnaeus, 1758)
43. Species Cottus intermedius Temminck & Schlegel, 1843 accepted as Gymnocanthus intermedius (Temminck & Schlegel, 1843)
44. Species Cottus jaok Cuvier, 1829 accepted as Myoxocephalus jaok (Cuvier, 1829)
45. Species Cottus japonicus Pallas, 1769 accepted as Percis japonica (Pallas, 1769)
46. Species Cottus kaganowskii Berg, 1932 accepted as Cottus cognatus Richardson, 1836
47. Species Cottus kazika Jordan & Starks, 1904 accepted as Rheopresbe kazika (Jordan & Starks, 1904) (unaccepted > superseded combination)
48. Species Cottus latifrons Gratzianov, 1904 accepted as Myoxocephalus quadricornis (Linnaeus, 1758)
49. Species Cottus lilljeborgi Collett, 1875 accepted as Micrenophrys lilljeborgii (Collett, 1875) (misspelling)
50. Species Cottus lilljeborgii Collett, 1875 accepted as Micrenophrys lilljeborgii (Collett, 1875)
51. Species Cottus maculatus Fischer, 1885 accepted as Taurulus bubalis (Euphrasen, 1786)
52. Species Cottus madagascariensis Lacepède, 1801 accepted as Platycephalus indicus (Linnaeus, 1758)
53. Species Cottus marmoratus Valenciennes, 1832 accepted as Myoxocephalus stelleri Tilesius, 1811 (synonym)
54. Species Cottus minutus Pallas, 1814 accepted as Porocottus minutus (Pallas, 1814)
55. Species Cottus monopterygius Bloch, 1786 accepted as Aspidophoroides monopterygius (Bloch, 1786)
56. Species Cottus niger Bean, 1881 accepted as Myoxocephalus niger (Bean, 1881)
57. Species Cottus octodecemspinosus Mitchill, 1814 accepted as Myoxocephalus octodecemspinosus (Mitchill, 1814)
58. Species Cottus otaitensis Cuvier, 1829 accepted as Sunagocia otaitensis (Cuvier, 1829)
59. Species Cottus philonips Eigenmann & Eigenmann, 1892 accepted as Cottus cognatus Richardson, 1836
60. Species Cottus pistilliger Pallas, 1814 accepted as Gymnocanthus pistilliger (Pallas, 1814)
61. Species Cottus platycephalus Pallas, 1814 accepted as Megalocottus platycephalus (Pallas, 1814) (synonym)
62. Species Cottus polyacanthocephalus Pallas, 1814 accepted as Myoxocephalus polyacanthocephalus (Pallas, 1814)
63. Species Cottus protrusus Schultz & Spoor, 1933 accepted as Cottus aleuticus Gilbert, 1896
64. Species Cottus quadricornis Linnaeus, 1758 accepted as Myoxocephalus quadricornis (Linnaeus, 1758)
65. Species Cottus scaber Linnaeus, 1758 accepted as Grammoplites scaber (Linnaeus, 1758)
66. Species Cottus scorpioides Fabricius, 1780 accepted as Myoxocephalus scorpioides (Fabricius, 1780)
67. Species Cottus scorpius Linnaeus, 1758 accepted as Myoxocephalus scorpius (Linnaeus, 1758) (synonym)
68. Species Cottus taeniopterus Kner, 1868 accepted as Megalocottus taeniopterus (Kner, 1868)
69. Species Cottus tentaculatus Kner, 1868 accepted as Porocottus tentaculatus (Kner, 1868)
70. Species Cottus thomsonii Günther, 1882 accepted as Cottunculus thomsonii (Günther, 1882)
71. Species Cottus trachurus Pallas, 1814 accepted as Hemilepidotus hemilepidotus (Tilesius, 1811) (synonym)
72. Species Cottus tricuspis Reinhardt, 1830 accepted as Gymnocanthus tricuspis (Reinhardt, 1830)
73. Species Cottus tripterygius Bloch & Schneider, 1801 accepted as Hemitripterus americanus (Gmelin, 1789)
74. Species Cottus uncinatus Reinhardt, 1834 accepted as Artediellus uncinatus (Reinhardt, 1834)
75. Species Cottus ventralis Cuvier, 1829 accepted as Gymnocanthus pistilliger (Pallas, 1814) (junior synonym)
76. Species Cottus verrucosus Bean, 1881 accepted as Myoxocephalus scorpius (Linnaeus, 1758) (synonym)
77. Species Cottus villosus Pallas, 1814 accepted as Hemitripterus villosus (Pallas, 1814)

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