Diagnostic Description

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Distinguished from congeners in Ireland by having obtuse snout, rounded dorsal profile and shorter lower jaw, included in upper jaw when mouth is closed. Additional character useful for identification is its body depth, 20-25% SL (Ref. 59043).
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Biology

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Lacustrine. Threatened due to eutrophication (Ref. 59043).
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Salvelinus obtusus

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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]

Red pog.svg Current location
Yellow pog.svg Former location

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

  1. ^ a b "Salvelinus obtusus". IUCN Red List of Threatened Species.old-form url
  2. ^ "Blunt-nosed Irish charr (Salvelinus obtusus) - Pictures and facts - Fish @ thewebsiteofeverything.com". thewebsiteofeverything.com.
  3. ^ MacMahon, Alexander Francis Magri (6 March 2018). "Fishlore: British Freshwater Fishes". Penguin Books – via Google Books.
  4. ^ "WoRMS - World Register of Marine Species - Salvelinus obtusus Regan, 1908". www.marinespecies.org.
  5. ^ edil@qub.ac.uk. "eDIL - Irish Language Dictionary". edil.qub.ac.uk.
  6. ^ Skeat, Walter W. (15 February 2013). An Etymological Dictionary of the English Language. Courier Corporation. ISBN 9780486317656 – via Google Books.
  7. ^ Various. Chambers's Twentieth Century Dictionary (part 1 of 4: A-D). Library of Alexandria. ISBN 9781465562883 – via Google Books.
  8. ^ Weekley, Ernest (5 March 2013). An Etymological Dictionary of Modern English. Courier Corporation. ISBN 9780486122878 – via Google Books.
  9. ^ "Figure 11: Salvelinus obtusus, Blunt-snouted charr (Regan 1908, 1911)". ResearchGate.
  10. ^ "Salvelinus obtusus summary page". FishBase.
  11. ^ "The Annals and Magazine of Natural History: Zoology, Botany, and Geology". Taylor & Francis, Limited. 6 March 2018 – via Google Books.
  12. ^ Fletcher, George (21 May 2015). Leinster. Cambridge University Press. ISBN 9781107511392 – via Google Books.
  13. ^ Kottelat, Maurice (6 March 1997). "European freshwater fishes: an heuristic checklist of the frshwater fishes of Europe (exclusive of former USSR), with an introduction for non-systematists and comments on nomenclature and conservation". Slovak Academy of Sciences – via Google Books.
  14. ^ "Irish Fisheries Investigations: Freshwater". Stationery Office; To be purchased from Government Publications Sale Office. 6 March 1966 – via Google Books.
  15. ^ "The Aquarist and Pondkeeper". 6 March 1971 – via Google Books.
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Salvelinus obtusus: Brief Summary

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

Salvelinus obtusus is located in island of IrelandTayTayLeaneLeaneDanDanAcooseAcooseMuckrossMuckrossNalughramanNalughraman Red pog.svg Current location
Yellow pog.svg Former location
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