Salvelinus obtusus

Species of salmonid fish native to ireland From Wikipedia, the free encyclopedia

Salvelinus obtusus, commonly called the blunt-nosed Irish charr[2] or blunt-snouted Irish char,[3] is a species of lacustrine char fish in the family Salmonidae, found in the Lakes of Killarney, Ireland.[4]

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Salvelinus obtusus
Scientific classification Edit this classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Salvelinus
Species:
S. obtusus
Binomial name
Salvelinus obtusus
Regan, 1908
Synonyms

Salvelinus evasus (Freyhof & Kottelat, 2005)

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Taxonomy

Name

The English word "char[r]" is thought to derive from Old Irish ceara/cera meaning "[blood] red,"[5] referring to its pink-red underside.[6][7] This would also connect with its Welsh name torgoch, "red belly."[8]

The species name obtusus is Latin for "blunt."

Biology

Salvelinus obtusus is benthopelagic and can grow up to 18 cm (7.1 in). It is distinguished from other Salvelinus in Ireland by its obtuse snout, rounded dorsal profile and short lower jaw, which is included in the upper jaw when the mouth is closed.[9] Its body depth is 20–25% of snout length.[10][11]

Range

Salvelinus obtusus is only found in Muckross Lake and Lough Leane, and is threatened by eutrophication.

It was formerly found in Lough Tay, Lough Dan,[12][13] Lough Nalughraman and Lough Acoose,[14] but is now considered extirpated at those sites and is critically endangered.[1][15]

References

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