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Icelinus
	Yellowchin sculpin (I. quadriseriatus)
	Northern Sculpin (I. borealis)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Cottidae
Subfamily:	Cottinae
Genus:	Icelinus; Jordan, 1885
Type species
	Artedius quadriseriatus; Lockington, 1880
Synonyms
	Medicelinus Bolin, 1936 ; Penicelinus Bolin, 1936 ; Tarandichthys Jordan & Evermann, 1896 ;

Icelinusis a genus of marine ray-finned fishes belonging to the family Cottidae, the typical sculpins. These fishes are found in the northern and eastern Pacific Ocean.

Taxonomy

Icelinus was first proposed as a monospecific genus in 1885 by the American ichthyologist David Starr Jordan with its only and type species being Artedius quadriseriatus.^[1] This species had been described in 1880 by the English zoologist William Neale Lockington from San Francisco.^[2] The 5th edition of Fishes of the World classifies this genus within the subfamily Cottinae of the family Cottidae,^[3] however, other authors classify the genus within the subfamily Oligocottinae of the family Psychrolutidae.^[1] The genus Icelinus may not be monophyletic as a study found that the 9 eastern Pacific species were in a clade which was a sister taxon to the genera Furcina and Antipodocottus while the 2 northwestern Pacific species (I. japonicus and I. pietschi) were found to be so closely related to the genus Stlengis that they were placed within that genus, leaving Icelinus confined to the eastern Pacific.^[4]

Etymology

Icelinus is a diminutive of Icelus, the genus I. quadriseriatus was thought to belong to.^[5]

Species

There are currently 11 recognized species in this genus:^[6]^[7]

Icelinus borealis C. H. Gilbert, 1896 (Northern sculpin)
Icelinus burchami Evermann & Goldsborough, 1907 (Dusky sculpin)
Icelinus cavifrons C. H. Gilbert, 1890 (Pit-head sculpin)
Icelinus filamentosus C. H. Gilbert, 1890 (Threadfin sculpin)
Icelinus fimbriatus C. H. Gilbert, 1890 (Fringed sculpin)
Icelinus japonicus Yabe, Tsumura & Katayama, 1980
Icelinus limbaughi Rosenblatt & W. L. Smith, 2004 (Canyon sculpin)
Icelinus oculatus C. H. Gilbert, 1890 (Frogmouth sculpin)
Icelinus pietschi Yabe, Soma & Amaoka, 2001
Icelinus quadriseriatus (Lockington, 1880) (Yellowchin sculpin)
Icelinus tenuis C. H. Gilbert, 1890 (Spotfin sculpin)

Characteristics

Icelinus sculpins are characterised by having the fourth uppermost spine on the preoperculum having a number of points like the antler of a deer. They have a single spine and 2 soft rays in the pelvic fin and there are two rows of ctenoid scales along the dorsal fin bases.^[8] These are small fishes, the largest species in the genus is I. filamentosus, which has a maximum published total length of 27 cm (11 in), while the smallest is I. piestchi which has a maximum published standard length of 4.2 cm (1.7 in).^[6]

Distribution

Icelinus sculpins are found in the northern and eastern Pacific Ocean.^[6] They are inshore fishes.^[4]

References

^ ^a ^b ^c ^d Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Genera in the family Oligocottinae". Catalog of Fishes. California Academy of Sciences. Retrieved 24 January 2023.
^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Icelinus". Catalog of Fishes. California Academy of Sciences. Retrieved 25 January 2023.
^ 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. Archived from the original on 2022-06-01. Retrieved 2023-01-25.
^ ^a ^b Girard MG; Smith WL (2016). "The phylogeny of marine sculpins of the genus Icelinus with comments on the evolution and biogeography of the Pseudoblenninae". Zootaxa. 4171 (3): 549–561. doi:10.11646/zootaxa.4171.3.9. PMID 27701217.
^ 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. Retrieved 24 January 2023.
^ ^a ^b ^c Froese, Rainer; Pauly, Daniel (eds.). "Species in genus Icelinus". FishBase. December 2012 version.
^ GIRARD, MATTHEW G.; SMITH, W. LEO (2016-09-29). "The phylogeny of marine sculpins of the genus Icelinus with comments on the evolution and biogeography of the Pseudoblenninae". Zootaxa. 4171 (3): 549. doi:10.11646/zootaxa.4171.3.9. ISSN 1175-5334.
^ Matthew L. Knope (2013). "Phylogenetics of the marine sculpins (Teleostei: Cottidae) of the North American Pacific Coast". Molecular Phylogenetics and Evolution. 66: 341–349. doi:10.1016/j.ympev.2012.10.008.