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Coomsaharn char

Coordinates: 51°59′32″N 9°59′48″W / 51.992106°N 9.996643°W / 51.992106; -9.996643
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Coomsaharn char
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Genus: Salvelinus
Species:
S. fimbriatus
Binomial name
Salvelinus fimbriatus
Regan, 1908[2]

The Coomsaharn char (Salvelinus fimbriatus; the spellings Coomasaharn and charr are also used; Irish: ruabhreac Chom Sathairn) is a species of lacustrine char fish in the family Salmonidae.[3]

It is only located in Lough Coomsaharn, County Kerry, Ireland.[4][5]

Coomsaharn char is located in island of Ireland
Coomsaharn char
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Location of Lough Coomsaharn in Ireland

Taxonomy

Name

The English word "char[r]" is thought to derive from Old Irish ceara/cera meaning "[blood] red,"[6] referring to its pink-red underside.[7][8] This would also connect with its Welsh name torgoch, "red belly."[9]

Lough Coomsaharn (/ˌkuːməˈsæhərən/) derives its name from the Irish Com Sathairn, "hollow of Saturday(?)".[10]

Biology

Salvelinus fimbriatus spawns in November/December and feeds on zooplankton. It is distinguished from other Salvelinus in Ireland by large eyes,[11] having 27–30 gill rakers, with 16–20 on the lower part (hence the species name fimbriatus, "fringed").[12] Also, its body depth is 20–25% of snout length, the snout is conical, and the lower jaw is not included in the upper one; an adaptation that helps it to feed on plankton.[13]

History

The Coomsaharn char are a remnant fish of the Last Ice Age.[14]

References

  1. ^ "Salvelinus fimbriatus". IUCN Red List of Threatened Species.
  2. ^ "WoRMS - World Register of Marine Species - Salvelinus fimbriatus Regan, 1908". www.marinespecies.org.
  3. ^ Stendall, J. A. Sidney; Kertland, Mary P. H. (27 February 1961). "The Irish Naturalists' Journal". I.N.J. Committee. – via Google Books.
  4. ^ Academy, Royal Irish (27 February 2018). "Proceedings of the Royal Irish Academy: Mathematical and physical sciences" – via Google Books.
  5. ^ Hendroff, Adrian (30 March 2015). Killarney to Valentia Island – The Iveragh Peninsula: A Walking Guide. The Collins Press. ISBN 9781848895522 – via Google Books.
  6. ^ edil@qub.ac.uk. "eDIL - Irish Language Dictionary". edil.qub.ac.uk.
  7. ^ Skeat, Walter W. (15 February 2013). An Etymological Dictionary of the English Language. Courier Corporation. ISBN 9780486317656 – via Google Books.
  8. ^ Various. Chambers's Twentieth Century Dictionary (part 1 of 4: A-D). Library of Alexandria. ISBN 9781465562883 – via Google Books.
  9. ^ Weekley, Ernest (5 March 2013). An Etymological Dictionary of Modern English. Courier Corporation. ISBN 9780486122878 – via Google Books.
  10. ^ "Com Sathairn/Coomasaharn". Logainm.ie.
  11. ^ MacMahon, Alexander Francis Magri (27 February 2018). "Fishlore: British Freshwater Fishes". Penguin Books – via Google Books.
  12. ^ Cullen, P.; McCarthy, T. K.; Doherty, D. (2007). "The Coomasaharn char, a morphometrically highly specialised form of Salvelinus alpinus in Ireland". Ecology of Freshwater Fish. 16: 41–46. doi:10.1111/j.1600-0633.2006.00163.x.
  13. ^ Cullen, P; Mccarthy, T; Doherty, D (1 March 2007). "The Coomasaharn char, a morphometrically highly specialised form of Salvelinus alpinus in Ireland". Ecology of Freshwater Fish. 16: 41–46. doi:10.1111/j.1600-0633.2006.00163.x – via ResearchGate.
  14. ^ "Ireland - Lake Coomasaharn".

51°59′32″N 9°59′48″W / 51.992106°N 9.996643°W / 51.992106; -9.996643

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