1. Species Cottus aleuticus Gilbert, 1896
2. Species Cottus altaicus Kaschenko, 1899
3. Species Cottus amblystomopsis Schmidt, 1904
4. Species Cottus asper Richardson, 1836
5. Species Cottus asperrimus Rutter, 1908
6. Species Cottus aturi Freyhof, Kottelat & Nolte, 2005
7. Species Cottus baileyi Robins, 1961
8. Species Cottus bairdii Girard, 1850
9. Species Cottus beldingii Eigenmann & Eigenmann, 1891
10. Species Cottus bendirei (Bean, 1881)
11. Species Cottus caeruleomentum Kinziger, Raesly & Neely, 2000
12. Species Cottus carolinae (Gill, 1861)
13. Species Cottus chattahoochee Neely, Williams & Mayden, 2007
14. Species Cottus cognatus Richardson, 1836
15. Species Cottus confusus Bailey & Bond, 1963
16. Species Cottus czerskii Berg, 1913
17. Species Cottus duranii Freyhof, Kottelat & Nolte, 2005
18. Species Cottus dzungaricus Kottelat, 2006
19. Species Cottus echinatus Bailey & Bond, 1963
20. Species Cottus extensus Bailey & Bond, 1963
21. Species Cottus girardi Robins, 1961
22. Species Cottus gobio Linnaeus, 1758
23. Species Cottus gratzianowi Sideleva, Naseka & Zhidkov, 2015
24. Species Cottus greenei (Gilbert & Culver, 1898)
25. Species Cottus gulosus (Girard, 1854)
26. Species Cottus haemusi Marinov & Dikov, 1986
27. Species Cottus hangiongensis Mori, 1930
28. Species Cottus hispaniolensis Băcescu & Băcescu-Meşter, 1964
29. Species Cottus hubbsi Bailey & Dimick, 1949
30. Species Cottus hypselurus Robins & Robison, 1985
31. Species Cottus immaculatus Kinziger & Wood, 2010
32. Species Cottus kanawhae Robins, 2005
33. Species Cottus klamathensis Gilbert, 1898
34. Species Cottus kolymensis Sideleva & Goto, 2012
35. Species Cottus koreanus Fujii, Choi & Yabe, 2005
36. Species Cottus koshewnikowi Gratzianov, 1907
37. Species Cottus kuznetzovi Berg, 1903
38. Species Cottus leiopomus Gilbert & Evermann, 1894
39. Species Cottus marginatus (Bean, 1881)
40. Species Cottus metae Freyhof, Kottelat & Nolte, 2005
41. Species Cottus microstomus Heckel, 1837
42. Species Cottus nasalis Berg, 1933
43. Species Cottus nozawae Snyder, 1911
44. Species Cottus ohmiensis Watanabe, 1960
45. Species Cottus paulus Williams, 2000
46. Species Cottus perifretum Freyhof, Kottelat & Nolte, 2005
47. Species Cottus perplexus Gilbert & Evermann, 1894
48. Species Cottus petiti Băcescu & Băcescu-Meşter, 1964
49. Species Cottus pitensis Bailey & Bond, 1963
50. Species Cottus poecilopus Heckel, 1837
51. Species Cottus pollux Günther, 1873
52. Species Cottus princeps Gilbert, 1898
53. Species Cottus reinii Hilgendorf, 1879
54. Species Cottus rhenanus Freyhof, Kottelat & Nolte, 2005
55. Species Cottus rhotheus (Smith, 1882)
56. Species Cottus ricei (Nelson, 1876)
57. Species Cottus rondeleti Freyhof, Kottelat & Nolte, 2005
58. Species Cottus sabaudicus Sideleva, 2009
59. Species Cottus scaturigo Freyhof, Kottelat & Nolte, 2005
60. Species Cottus schitsuumsh Lemoine, Young, Mckelvey, Eby, Pilgrim & Schwartz, 2014
61. Species Cottus sibiricus Kessler, 1889
62. Species Cottus specus Adams & Burr, 2013
63. Species Cottus spinulosus Kessler, 1872
64. Species Cottus szanaga Dybowski, 1869
65. Species Cottus tallapoosae Neely, Williams & Mayden, 2007
66. Species Cottus tenuis (Evermann & Meek, 1898)
67. Species Cottus transsilvaniae Freyhof, Kottelat & Nolte, 2005
68. Species Cottus volki Taranetz, 1933
69. Species Cottus acadian Walbaum, 1792 accepted as Hemitripterus americanus (Gmelin, 1789)
70. Species Cottus aenaeus Mitchill, 1814 accepted as Myoxocephalus aenaeus (Mitchill, 1814)
71. Species Cottus affinis Heckel, 1837 accepted as Cottus gobio Linnaeus, 1758
72. Species Cottus asperrima Rutter, 1908 accepted as Cottus asperrimus Rutter, 1908 (unaccepted > misspelling - incorrect subsequent spelling)
73. Species Cottus australis White, 1790 accepted as Centropogon australis (White, 1790)
74. Species Cottus axillaris (Gill, 1859) accepted as Myoxocephalus scorpioides (Fabricius, 1780)
75. Species Cottus baicalensis Dybowski, 1874 accepted as Batrachocottus baicalensis (Dybowski, 1874)
76. Species Cottus bairdi Girard, 1850 accepted as Cottus bairdii Girard, 1850 (unaccepted > misspelling - incorrect subsequent spelling)
77. Species Cottus bathybius Günther, 1878 accepted as Zesticelus bathybius (Günther, 1878)
78. Species Cottus beldingi Eigenmann & Eigenmann, 1891 accepted as Cottus beldingii Eigenmann & Eigenmann, 1891 (unaccepted > misspelling - incorrect subsequent spelling)
79. Species Cottus bicornis Reinhardt, 1840 accepted as Icelus bicornis (Reinhardt, 1840)
80. Species Cottus boleoides Girard, 1850 accepted as Cottus cognatus Richardson, 1836
81. Species Cottus brandtii Steindachner, 1867 accepted as Myoxocephalus brandtii (Steindachner, 1867)
82. Species Cottus brodamus Bonnaterre, 1788 accepted as Agonus cataphractus (Linnaeus, 1758)
83. Species Cottus bubalis Euphrasen, 1786 accepted as Taurulus bubalis (Euphrasen, 1786) (synonym)
84. Species Cottus cataphractus Linnaeus, 1758 accepted as Agonus cataphractus (Linnaeus, 1758) (synonym)
85. Species Cottus chamberlaini Evermann & Goldsborough, 1907 accepted as Cottus cognatus Richardson, 1836
86. Species Cottus claviger Cuvier, 1829 accepted as Enophrys diceraus (Pallas, 1787) (synonym)
87. Species Cottus comephoroides Berg, 1900 accepted as Cottocomephorus inermis (Yakovlev, 1890) (junior synonym)
88. Species Cottus czanaga Dybowski, 1869 accepted as Cottus szanaga Dybowski, 1869
89. Species Cottus decastrensis Kner, 1865 accepted as Myoxocephalus stelleri Tilesius, 1811
90. Species Cottus diceraus Pallas, 1787 accepted as Enophrys diceraus (Pallas, 1787)
91. Species Cottus ferrugineus Bonaparte, 1846 accepted as Cottus gobio Linnaeus, 1758
92. Species Cottus ferrugineus Heckel & Kner, 1858 accepted as Cottus gobio Linnaeus, 1758
93. Species Cottus formosus Girard, 1851 accepted as Cottus cognatus Richardson, 1836
94. Species Cottus franklini Agassiz, 1850 accepted as Cottus cognatus Richardson, 1836
95. Species Cottus godlewskii Dybowski, 1874 accepted as Limnocottus godlewskii (Dybowski, 1874)
96. Species Cottus gracilis Heckel, 1837 accepted as Cottus cognatus Richardson, 1836
97. Species Cottus grewingki accepted as Cottocomephorus grewingki (Dybowski, 1874) accepted as Cottocomephorus grewingkii (Dybowski, 1874)
98. Species Cottus grewingkii Dybowski, 1874 accepted as Cottocomephorus grewingkii (Dybowski, 1874)
99. Species Cottus groenlandicus Cuvier, 1829 accepted as Myoxocephalus scorpius (Linnaeus, 1758)
100. Species Cottus grunniens Linnaeus, 1758 accepted as Allenbatrachus grunniens (Linnaeus, 1758)
101. Species Cottus grunniens Linnaeus, 1758 accepted as Raniceps raninus (Linnaeus, 1758)
102. Species Cottus haitej Dybowski, 1869 accepted as Mesocottus haitej (Dybowski, 1869)
103. Species Cottus hangionensis Mori, 1930 accepted as Cottus hangiongensis Mori, 1930 (misspelling)
104. Species Cottus hemilepidotus Tilesius, 1811 accepted as Hemilepidotus hemilepidotus (Tilesius, 1811)
105. Species Cottus hexacornis Richardson, 1823 accepted as Myoxocephalus quadricornis (Linnaeus, 1758)
106. Species Cottus hispidus Bloch & Schneider, 1801 accepted as Hemitripterus americanus (Gmelin, 1789)
107. Species Cottus hongiongensis Mori, 1930 accepted as Cottus hangiongensis Mori, 1930 (misspelling)
108. Species Cottus humilis Bean, 1881 accepted as Myoxocephalus jaok (Cuvier, 1829)
109. Species Cottus ictalops (Rafinesque, 1820) accepted as Cottus bairdii Girard, 1850
110. Species Cottus indicus Bonnaterre, 1788 accepted as Aspidophoroides monopterygius (Bloch, 1786)
111. Species Cottus indus Linnaeus, 1764 accepted as Allenbatrachus grunniens (Linnaeus, 1758)
112. Species Cottus inermis Yakovlev, 1890 accepted as Cottocomephorus inermis (Yakovlev, 1890) (synonym)
113. Species Cottus insidiator Forsskål, 1775 accepted as Platycephalus indicus (Linnaeus, 1758)
114. Species Cottus intermedius Temminck & Schlegel, 1843 accepted as Gymnocanthus intermedius (Temminck & Schlegel, 1843)
115. Species Cottus jaok Cuvier, 1829 accepted as Myoxocephalus jaok (Cuvier, 1829)
116. Species Cottus japonicus Pallas, 1769 accepted as Percis japonica (Pallas, 1769)
117. Species Cottus jeittelesii Dybowski, 1874 accepted as Procottus jeittelesii (Dybowski, 1874)
118. Species Cottus kaganowskii Berg, 1932 accepted as Cottus cognatus Richardson, 1836
119. Species Cottus kazika Jordan & Starks, 1904 accepted as Rheopresbe kazika (Jordan & Starks, 1904) (unaccepted > superseded combination)
120. Species Cottus kessleri Dybowski, 1874 accepted as Leocottus kesslerii (Dybowski, 1874) (unaccepted > misspelling - incorrect subsequent spelling)
121. Species Cottus kesslerii Dybowski, 1874 accepted as Leocottus kesslerii (Dybowski, 1874) (synonym)
122. Species Cottus kneri Dybowski, 1874 accepted as Paracottus knerii (Dybowski, 1874) (unaccepted > misspelling - incorrect subsequent spelling)
123. Species Cottus knerii Dybowski, 1874 accepted as Paracottus knerii (Dybowski, 1874)
124. Species Cottus latifrons Gratzianov, 1904 accepted as Myoxocephalus quadricornis (Linnaeus, 1758)
125. Species Cottus lilljeborgi Collett, 1875 accepted as Micrenophrys lilljeborgii (Collett, 1875) (misspelling)
126. Species Cottus lilljeborgii Collett, 1875 accepted as Micrenophrys lilljeborgii (Collett, 1875)
127. Species Cottus macrops Rutter, 1908 accepted as Cottus klamathensis Gilbert, 1898 (synonym)
128. Species Cottus maculatus Fischer, 1885 accepted as Taurulus bubalis (Euphrasen, 1786)
129. Species Cottus madagascariensis Lacepède, 1801 accepted as Platycephalus indicus (Linnaeus, 1758)
130. Species Cottus marmoratus Valenciennes, 1832 accepted as Myoxocephalus stelleri Tilesius, 1811 (synonym)
131. Species Cottus megalops Gratzianov, 1902 accepted as Cyphocottus megalops (Gratzianov, 1902) (synonym)
132. Species Cottus meridionalis Girard, 1850 accepted as Cottus bairdii Girard, 1850 (ambiguous synonym)
133. Species Cottus minutus Pallas, 1814 accepted as Porocottus minutus (Pallas, 1814)
134. Species Cottus monopterygius Bloch, 1786 accepted as Aspidophoroides monopterygius (Bloch, 1786)
135. Species Cottus niger Bean, 1881 accepted as Myoxocephalus niger (Bean, 1881)
136. Species Cottus nikolskii Berg, 1900 accepted as Batrachocottus nikolskii (Berg, 1900)
137. Species Cottus octodecemspinosus Mitchill, 1814 accepted as Myoxocephalus octodecemspinosus (Mitchill, 1814)
138. Species Cottus onychus Eigenmann & Eigenmann, 1892 accepted as Cottus ricei (Nelson, 1876) (synonym)
139. Species Cottus otaitensis Cuvier, 1829 accepted as Sunagocia otaitensis (Cuvier, 1829)
140. Species Cottus philonips Eigenmann & Eigenmann, 1892 accepted as Cottus cognatus Richardson, 1836
141. Species Cottus pistilliger Pallas, 1814 accepted as Gymnocanthus pistilliger (Pallas, 1814)
142. Species Cottus platycephalus Pallas, 1814 accepted as Megalocottus platycephalus (Pallas, 1814) (synonym)
143. Species Cottus poecilopterus Heckel, 1837 accepted as Cottus poecilopus Heckel, 1837 (misspelling)
144. Species Cottus pollicaris (Jordan & Gilbert, 1882) accepted as Cottus ricei (Nelson, 1876)
145. Species Cottus polyacanthocephalus Pallas, 1814 accepted as Myoxocephalus polyacanthocephalus (Pallas, 1814)
146. Species Cottus protrusus Schultz & Spoor, 1933 accepted as Cottus aleuticus Gilbert, 1896
147. Species Cottus punctulatus (Gill, 1861) accepted as Cottus bairdii Girard, 1850
148. Species Cottus pygmaeus Williams, 1968 accepted as Cottus paulus Williams, 2000 (ambiguous synonym)
149. Species Cottus quadricornis Linnaeus, 1758 accepted as Myoxocephalus quadricornis (Linnaeus, 1758)
150. Species Cottus rhothea (Smith, 1882) accepted as Cottus rhotheus (Smith, 1882) (unaccepted > misspelling - incorrect subsequent spelling)
151. Species Cottus richardsoni Agassiz, 1850 accepted as Cottus bairdii Girard, 1850 (synonym)
152. Species Cottus scaber Linnaeus, 1758 accepted as Grammoplites scaber (Linnaeus, 1758)
153. Species Cottus scorpioides Fabricius, 1780 accepted as Myoxocephalus scorpioides (Fabricius, 1780)
154. Species Cottus scorpius Linnaeus, 1758 accepted as Myoxocephalus scorpius (Linnaeus, 1758) (synonym)
155. Species Cottus scorpoides Fabricius, 1780 accepted as Myoxocephalus scorpioides (Fabricius, 1780)
156. Species Cottus semiscaber (Cope, 1872) accepted as Cottus bairdii Girard, 1850
157. Species Cottus sinensis Sauvage, 1873 accepted as Myoxocephalus sinensis (Sauvage, 1873) (synonym)
158. Species Cottus taeniopterus Kner, 1868 accepted as Megalocottus taeniopterus (Kner, 1868)
159. Species Cottus tentaculatus Kner, 1868 accepted as Porocottus tentaculatus (Kner, 1868)
160. Species Cottus thomsonii Günther, 1882 accepted as Cottunculus thomsonii (Günther, 1882)
161. Species Cottus trachurus Pallas, 1814 accepted as Hemilepidotus hemilepidotus (Tilesius, 1811) (synonym)
162. Species Cottus tricuspis Reinhardt, 1830 accepted as Gymnocanthus tricuspis (Reinhardt, 1830)
163. Species Cottus trigonocephalus Gratzianov, 1902 accepted as Leocottus kesslerii (Dybowski, 1874) (synonym)
164. Species Cottus tripterygius Bloch & Schneider, 1801 accepted as Hemitripterus americanus (Gmelin, 1789)
165. Species Cottus uncinatus Reinhardt, 1834 accepted as Artediellus uncinatus (Reinhardt, 1834)
166. Species Cottus ventralis Cuvier, 1829 accepted as Gymnocanthus pistilliger (Pallas, 1814) (junior synonym)
167. Species Cottus verrucosus Bean, 1881 accepted as Myoxocephalus scorpius (Linnaeus, 1758) (synonym)
168. Species Cottus villosus Pallas, 1814 (unaccepted)

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