Cottus (fish)

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Cottus cognatus.jpg
Cottus cognatus
Scientific classification e
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Cottidae
Genus: Cottus
Linnaeus, 1758
Type species
Cottus gobio

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.[1]

They are small fish, mostly less than 15 cm (6 in) in length, although a few species can reach twice that size.[1]


There are currently 68 recognized species in this genus:[1]


  1. ^ a b c Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Cottus in FishBase. 30 April 2017 version.
  2. ^ 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.
  3. ^ 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.
  4. ^ 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.
  5. ^ 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.
  6. ^ 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.
  7. ^ 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.