Cottus (genus)

Cottus
Cottus cognatus
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Scorpaeniformes
Family:	Cottidae
Genus:	Cottus Linnaeus, 1758
Type species
Cottus gobio Linnaeus, 1758
Synonyms
Uranoscopus Gronow, 1763 (not available) Pegedictis Rafinesque, 1820 Uranidea DeKay, 1842 Centridermichthys Richardson, 1845 Cottopsis Girard, 1850 Potamocottus Gill, 1861 Tauridea Jordan & Rice, 1878 Rheopresbe Jordan & Starks, 1904 Cephalocottus Gratzianov, 1907

Cottus is a genus of the sculpin family Cottidae. They are often referred to as the "freshwater sculpins", as they are the principal genus of sculpins to be found in fresh water. They are native to the Palearctic and Nearctic.

They are mostly small fish, rarely reaching more than 15 cm in length.

Species

There are currently 68 recognized species in this genus:

• Cottus aleuticus C. H. Gilbert, 1896 (Coast Range sculpin)
• Cottus altaicus Kaschenko, 1899
• Cottus amblystomopsis P. Y. Schmidt, 1904 (Sakhalin sculpin)
• Cottus asper J. Richardson, 1836 (Prickly sculpin)
• Cottus asperrimus Rutter, 1908 (Rough sculpin)
• Cottus aturi Freyhof, Kottelat & Nolte, 2005
• Cottus baileyi C. R. Robins, 1961 (Black sculpin)
• Cottus bairdii Girard, 1850 (Mottled sculpin)
• Cottus beldingii C. H. Eigenmann & R. S. Eigenmann, 1891 (Paiute sculpin)
• Cottus bendirei T. H. Bean, 1881 (Malheur sculpin)
• Cottus caeruleomentum Kinziger, Raesly & Neely, 2000 (Blue Ridge sculpin)
• Cottus carolinae T. N. Gill, 1861 (Banded sculpin)
• Cottus chattahoochee Neely, J. D. Williams & Mayden, 2007 (Chattahoochee sculpin)
• Cottus cognatus J. Richardson, 1836 (Slimy sculpin)
• Cottus confusus R. M. Bailey & C. E. Bond, 1963 (Shorthead sculpin)
• Cottus czerskii L. S. Berg, 1913 (Cherskii's sculpin)
• Cottus duranii Freyhof, Kottelat & Nolte, 2005
• Cottus dzungaricus Kottelat, 2006
• Cottus echinatus R. M. Bailey & C. E. Bond, 1963 (Utah Lake sculpin)
• Cottus extensus R. M. Bailey & C. E. Bond, 1963 (Bear Lake sculpin)
• Cottus girardi C. R. Robins, 1961 (Potomac sculpin)
• Cottus gobio Linnaeus, 1758 (Bullhead)
• Cottus gratzianowi Sideleva, Naseka & Zhidkov, 2015 ^[1]
• Cottus greenei C. H. Gilbert & Culver, 1898 (Shoshone sculpin)
• Cottus gulosus Girard, 1854 (Riffle sculpin)
• Cottus haemusi Marinov & Dikov, 1986
• Cottus hangiongensis T. Mori, 1930
• Cottus hispaniolensis Băcescu & Băcescu-Mester, 1964
• Cottus hubbsi R. M. Bailey & Dimick, 1949 (Columbia sculpin)
• Cottus hypselurus C. R. Robins & H. W. Robison, 1985 (Ozark sculpin)
• Cottus immaculatus Kinziger & R. M. Wood, 2010 (Knobfin sculpin) ^[2]
• Cottus kanawhae C. R. Robins, 2005
• Cottus kazika D. S. Jordan & Starks, 1904 (Fourspine sculpin)
• Cottus klamathensis C. H. Gilbert, 1898 (Marbled sculpin)
• Cottus kolymensis Sideleva & A. Goto, 2012 ^[3]
• Cottus koreanus R. Fujii, Y. Choi & Yabe, 2005
• Cottus koshewnikowi Gratzianov, 1907 ^[4]
• Cottus kuznetzovi L. S. Berg, 1903
• Cottus leiopomus C. H. Gilbert & Evermann, 1894 (Wood River sculpin)
• Cottus marginatus T. H. Bean, 1881 (Margined sculpin)
• Cottus metae Freyhof, Kottelat & Nolte, 2005
• Cottus microstomus Heckel, 1837
• Cottus nasalis L. S. Berg, 1933
• Cottus nozawae Snyder, 1911
• Cottus paulus J. D. Williams, 2000 (Pygmy sculpin)
• Cottus perifretum Freyhof, Kottelat & Nolte, 2005
• Cottus perplexus C. H. Gilbert & Evermann, 1894 (Reticulate sculpin)
• Cottus petiti Băcescu & Băcescu-Mester, 1964
• Cottus pitensis R. M. Bailey & C. E. Bond, 1963 (Pit sculpin)
• Cottus poecilopus Heckel, 1837 (Alpine bullhead)
• Cottus pollux Günther, 1873 (Japanese fluvial sculpin)
• Cottus princeps C. H. Gilbert, 1898 (Klamath Lake sculpin)
• Cottus reinii Hilgendorf, 1879
• Cottus rhenanus Freyhof, Kottelat & Nolte, 2005
• Cottus rhotheus R. Smith, 1882 (Torrent sculpin)
• Cottus ricei E. W. Nelson, 1876 (Spoonhead sculpin)
• Cottus rondeleti Freyhof, Kottelat & Nolte, 2005
• Cottus sabaudicus Sideleva, 2009
• Cottus scaturigo Freyhof, Kottelat & Nolte, 2005
• Cottus schitsuumsh M. Lemoine, M. K. Young, McKelvey, L. Eby, Pilgrim & M. K. Schwartz, 2014 (Cedar sculpin) ^[5]
• Cottus sibiricus Kessler, 1889 (Siberian sculpin)
• Cottus specus G. L. Adams & Burr, 2013 (Grotto sculpin) ^[6]
• Cottus spinulosus Kessler, 1872 (Turkestan sculpin)
• Cottus szanaga Dybowski, 1869
• Cottus tallapoosae Neely, J. D. Williams & Mayden, 2007 (Tallapoosa sculpin)
• Cottus tenuis Evermann & Meek, 1898 (Slender sculpin)
• Cottus transsilvaniae Freyhof, Kottelat & Nolte, 2005
• Cottus volki Taranetz, 1933

References

1. Sideleva, V.G., Naseka, A.M. & Zhidkov, Z.V. (2015): A new species of Cottus from the Onega River drainage, White Sea basin (Actinopterygii: Scorpaeniformes: Cottidae). Zootaxa, 3949 (3): 419–430.
2. Kinziger, A.P. & Wood, R.M. (2010): Cottus immaculatus, a new species of sculpin (Cottidae) from the Ozark Highlands of Arkansas and Missouri, USA. Zootaxa, 2340: 50–64.
3. Sideleva, V.G. & Goto, A. (2012): A New Species of Sculpin Cottus kolymensis sp. nova (Scorpaeniformes, Cottidae) from Rivers of Kolyma. Journal of Ichthyology, 52 (5): 301-307.
4. Sideleva, V.G., Prirodina, V.P., Reshetnikov, Y.S. & Zhidkov, Z.V. (2015): Redescription of Cottus koshewnikowi (Cottidae) and its Morphological Variability in Tributaries of the Upper Volga. Journal of Ichthyology, 55 (1): 30-39.
5. Lemoine, M., Young, M.K., McKelvey, K.S., Eby, L., Pilgrim, K.L. & Schwartz, M.K. (2014): Cottus schitsuumsh, a new species of sculpin (Scorpaeniformes: Cottidae) in the Columbia River basin, Idaho-Montana, USA. Zootaxa, 3755 (3): 241–258.
6. Adams, G.L., Burr, B.M., Day, J.L. & Starkey, D.E. (2013): Cottus specus, a new troglomorphic species of sculpin (Cottidae) from southeastern Missouri. Zootaxa, 3609 (5): 484–494.