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Cottus perifretum

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Species of fish

Cottus perifretum
Conservation status

Least Concern  (IUCN 3.1)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Cottidae
Genus: Cottus
Species: C. perifretum
Binomial name
Cottus perifretum
Freyhof, Kottelat and Nolte, 2005

Cottus perifretum, the bullhead or miller’s thumb, is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found on both sides of the English Channel, native to Great Britain. It also inhabits Atlantic drainages from the Garonne River (tributaries draining from Massif Central) to the Scheldt in France and Belgium, and the Moselle and Sieg in Germany. It is considered invasive in the Rhine drainage in Germany and the Netherlands. This invasive population in the Rhine is an intermediate between this species and Cottus rhenanus. Although this species is native to England and Wales it is considered to be a non-native invasive species in Scotland.

This species was described as a separate species from the European bullhead (C. gobio) in 2005 by Jörg Freyhof, Maurice Kottelat and Arne W. Nolte. The specific name perifretum is a combination of peri, meaning “around”, and fretum, meaning “straits”, an allusion to the species distribution on either side of the English Channel, called Fretum Gallicum in Latin.

It reaches a maximum length of 13.4 cm. It prefers small streams to medium-sized rivers.

References

  1. Freyhof, J.; Kottelat, M. (2008). "Cottus perifretum". IUCN Red List of Threatened Species. 2008: e.T135511A4135554. doi:10.2305/IUCN.UK.2008.RLTS.T135511A4135554.en. Retrieved 12 November 2021.
  2. ^ Jörg Freyhof; Maurice Kottelat; and Arne Nolte (2005). "Taxonomic diversity of European Cottus with description of eight new species (Teleostei: Cottidae)". Ichthyological Exploration of Freshwaters. 16: 107–172.
  3. Jenny McLeish; Rob A. Briers; Jennifer A. Dodd; Sonja Rueckert (2020). "First genetic evidence that invasive bullhead (Cottus L. 1758) in Scotland is of English origin and the difficulty of resolving the European Cottus species taxonomy" (PDF). Journal of Fish Biology. 96 (3): 617–630. Bibcode:2020JFBio..96..617M. doi:10.1111/jfb.14247. PMID 31893567. S2CID 209539657.
  4. 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 18 January 2023.
  5. Froese, Rainer; Pauly, Daniel (eds.). "Cottus perifretum". FishBase. February 2014 version.
Taxon identifiers
Cottus perifretum


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