Cottus (fish)

Short description: Genus of fishes

Cottus

Cottus cognatus
Scientific classification
Kingdom:  | Animalia
Phylum:  | Chordata
Class:  | Actinopterygii
Order:  | Scorpaeniformes
Family:  | Cottidae
Subfamily:  | Cottinae
Genus:  | Cottus
Linnaeus, 1758
Type species
Cottus gobio

Linnaeus, 1758

Synonyms

* Uranoscopus Gronow, 1763
* Rafinesque, 1820  Richardson, 1845
* Jordan & Starks, 1904 Cephalocottus
* Cottopsis Gratzianov, 1907
* Uranidea Girard, 1850
* Potamocottus Pegedictis
* DeKay, 1842 Gill, 1861
* Tauridea Centridermichthys
* Jordan & Rice, 1878 Rheopresbe

Cottus is a genus of the mainly freshwater ray-finned fishes belonging to the family Cottidae, the typical sculpins. 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]

## Contents

* 1 Taxonomy
* 2 Species
* 3 Etymology
* 4 References

## Taxonomy

Cottus was first proposed as a genus by Carl Linnaeus in the 10th edition of the Systema Naturae when he described the European bullhead (Cottus gobio) and in 1850 this species was designated as the type species of the genus by the French ichthyologist Charles Frédéric Girard.[2] The 5th edition of the Fishes of the World classifies this genus within the subfamily Cottinae of the family Cottidae.[3] Other authorities have found that the Cottidae, as delimited in the 5th edition of Fishes of the World, is paraphyletic and that the monophyletic grouping is the freshwater sculpins, including the Baikal sculpins, while most of the marine taxa are classified within the family Psychrolutidae. [4] Cottus kazika has been found to be outside of a monophyletic Cottus and has been classified in the monospecific genus Rheopresbe.[5]

## Species

There are currently around 70 recognized species in this genus:[1][6]

* Subgenus Cottus Linnaeus, 1758
* Cottus aturi Freyhof, Kottelat & Nolte, 2005
* Cottus cyclophthalmus Sideleva, Kesminas & Zhidkov, 2022[7]
* Cottus duranii Freyhof, Kottelat & Norte, 2005 (Dordogne sculpin)
* Cottus dzungaricus Kottelat, 2006
* Cottus ferrugineus Heckel & Kner, 1857[6]
* Cottus gobio Linnaeus, 1758 (European bullhead)
* Cottus gratzianowi Sideleva, Naseka & Zhidkov, 2015[8]
* Cottus haemusi Marinov & Dikov, 1986
* Cottus hispaniolensis Băcescu & Băcescu-Mester, 1964
* Cottus jaxartensis Berg, 1916[6]
* Cottus koshewnikowi Gratzianov, 1907[9]
* Cottus metae Freyhof, Kottelat & Nolte, 2005
* Cottus microstomus Heckel, 1837
* Cottus perifretum Freyhof, Kottelat & Nolte,, 2005
* Cottus petiti Băcescu & Băcescu-Mester, 1964
* Cottus rhenanus Freyhof, Kottelat & Nolte, 2005
* 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 sibiricus Kessler, 1889 (Siberian sculpin)
* Cottus spinulosus Kessler, 1872 (Turkestan sculpin)
* Cottus transsilvaniae Freyhof, Kottelat & Nolte, 2005
* Subgenus Cephalocottus Gratzianov, 1907
* Cottus amblystomopsis P. Y. Schmidt, 1904 (Sakhalin sculpin)
* Cottus nozawae Snyder, 1911
* Subgenus Cottopsis Girard 1850
* Cottus aleuticus C. H. Gilbert, 1896 (Coast Range sculpin)
* Cottus asper J. Richardson, 1836 (Prickly sculpin)
* Cottus asperrimus Rutter, 1908 (Rough sculpin)
* Cottus gulosus Girard, 1854 (Inland riffle sculpin)
* Cottus klamathensis C. H. Gilbert, 1898 (Marbled sculpin)
* Cottus ohlone Moyle & Campbell, 2022 (Coastal riffle sculpin)[10]
* Cottus perplexus C. H. Gilbert & Evermann, 1894 (Reticulate sculpin)
* Cottus pitensis R. M. Bailey & C. E. Bond, 1963 (Pit sculpin)
* Cottus princeps C. H. Gilbert, 1898 (Klamath Lake sculpin)
* Cottus tenuis Evermann & Meek, 1898 (Slender sculpin)
* Subgenus Uranidea DeKay, 1842
* Cottus baileyi C. R. Robins, 1961 (Black sculpin)
* Cottus bairdii Girard, 1850 (Mottled 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 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 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)[11]
* Cottus kanawhae C. R. Robins, 2005 (Kanawha sculpin)
* Cottus paulus J. D. Williams, 2000 (Pygmy sculpin)
* Cottus rhotheus R. Smith, 1882 (Torrent sculpin)
* Cottus specus G. L. Adams & Burr, 2013 (Grotto sculpin)[12]
* Cottus tallapoosae Neely, J. D. Williams & Mayden, 2007 (Tallapoosa sculpin)
* Subgenus Incertae sedis
* Cottus altaicus Kaschenko, 1899
* Cottus beldingii C. H. Eigenmann & R. S. Eigenmann, 1891 (Paiute sculpin)
* Cottus confusus R. M. Bailey & C. E. Bond, 1963 (Shorthead sculpin)
* Cottus czerskii L. S. Berg, 1913 (Cherskii's sculpin)
* Cottus greenei C. H. Gilbert & Culver, 1898 (Shoshone sculpin)
* Cottus hangiongensis T. Mori, 1930
* Cottus kazika D. S. Jordan & Starks, 1904 (Fourspine sculpin)
* Cottus kolymensis Sideleva & A. Goto, 2012[13]
* Cottus koreanus R. Fujii, Y. Choi & Yabe, 2005
* 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 nasalis L. S. Berg, 1933 (Tubenose sculpin)
* Cottus perplexus C. H. Gilbert & Evermann, 1894 (Reticulate sculpin)
* Cottus poecilopus Heckel, 1837 (Alpine bullhead)
* Cottus pollux Günther, 1873 (Japanese fluvial sculpin)
* Cottus reinii Hilgendorf, 1879
* Cottus schitsuumsh M. Lemoine, M. K. Young, McKelvey, L. Eby, Pilgrim & M. K. Schwartz, 2014 (Cedar sculpin)[14]
* Cottus szanaga Dybowski, 1869
* Cottus volki Taranetz, 1933

## Etymology

Cottus is derived from the Greek kottos, and is a latinisation that word, the original form of it being koviós or kóthos. This is likely to mean "head" and is the word for a small fish with a large head, and is now used for sculpins.[15]

## References

1. ↑ 1.0 1.1 1.2 Froese, Rainer and Pauly, Daniel, eds. (2017). Species of Cottus in FishBase. 30 April 2017 version.
2. ↑ Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Genera in the family Cottidae". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=genus&family=Cottidae.
3. ↑ J. S. Nelson; T. C. Grande; M. V. H. Wilson (2016). Fishes of the World (5th ed.). Wiley. pp. 467–495. ISBN 978-1-118-34233-6. https://sites.google.com/site/fotw5th/. Retrieved 2023-01-17.
4. ↑ W. Leo Smith; Morgan S. Busby (2014). "Phylogeny and taxonomy of sculpins, sandfishes, and snailfishes (Perciformes: Cottoidei) with comments on the phylogenetic significance of their early-life-history specializations". Molecular Phylogenetics and Evolution 79: 332–352. doi:10.1016/j.ympev.2014.06.028. PMID 25014569.
5. ↑ Kinziger, A. P.; R. M. Wood; D. A. Neely (2005). "Molecular systematics of the genus Cottus (Scorpaeniformes: Cottidae)". Copeia 2005 (2): 303–311. doi:10.1643/CI-03-290R1.
6. ↑ 6.0 6.1 6.2 Eschmeyer, William N.; Fricke, Ron; van der Laan, Richard, eds. "Species in the genus Cottus". California Academy of Sciences. http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatget.asp?tbl=species&genus=Cottus.
7. ↑ Valentina Sideleva; Vytautas Kesminas; Zakhar Zhidkov (2022). "A new species of the genus Cottus (Scorpaeniformes, Cottidae) from the Baltic Sea Basin and its phylogenetic placement". European Journal of Taxonomy (834): 38–57. doi:10.5852/ejt.2022.834.1897.
8. ↑ 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. doi:10.11646/zootaxa.3949.3.7. PMID 25947816.
9. ↑ 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. doi:10.1134/S0032945215010191.
10. ↑ Moyle, P. B.; M. A. Campbell (2022). "Cryptic species of freshwater sculpin (Cottidae: Cottus) in California, USA". Zootaxa 5154 (5): 501–527. doi:10.11646/ZOOTAXA.5154.5.1. PMID 36095605.
11. ↑ 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. doi:10.11646/zootaxa.2340.1.2. http://www.mapress.com/zootaxa/2010/f/zt02340p064.pdf.
12. ↑ 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. doi:10.11646/zootaxa.3609.5.4. PMID 24699612.
13. ↑ 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.
14. ↑ Lemoine, M.; Young, M.K.; McKelvey, K.S. et al. (2014). "Cottus schitsuumsh, a new species of sculpin (Scorpaeniformes: Cottidae) in the Columbia River basin, Idaho-Montana, USA". Zootaxa 3755 (3): 241–258. doi:10.11646/zootaxa.3755.3.3. PMID 24869819.
15. ↑ Christopher Scharpf; Kenneth J. Lazara, eds (22 October 2022). "Order Perciformes: Suborder Cottoidea: Infraorder Cottales: Family Cottidae (Sculpins)". The ETYFish Project Fish Name Etymology Database. Christopher Scharpf and Kenneth J. Lazara. https://etyfish.org/perciformes20/.

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