Cottus (genus)

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Cottus cognatus.jpg
Cottus cognatus, the slimy sculpin
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Scorpaeniformes
Family: Cottidae
Genus: Cottus
Linnaeus, 1758
Type species
Cottus gobio
Linnaeus, 1758
  • Uranoscopus Gronow, 1763 (not available)
  • Pegedictis Rafinesque, 1820
  • Uranidea DeKay, 1842
  • Centridermichthys J. Richardson, 1845
  • Cottopsis Girard, 1850
  • Potamocottus T. N. Gill, 1861
  • Tauridea D. S. Jordan & F. L. Rice, 1878
  • Rheopresbe D. S. 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.


There are currently 67 recognized species in this genus:


  1. ^ 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.
  2. ^ Sideleva, V.G. & Goto, A. (2012): A New Species of Sculpin Cottus kolymensis sp. nova (Scorpaeniformes, Cottidae) from Rivers of Kolyma. Voprosy Ikhtiologii, 52 (3): 288-294.
  3. ^ 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.
  4. ^ 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.