Gwyniad

Gwyniad
Conservation status

Critically Endangered  (IUCN 3.1)[1]
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae
Subfamily: Coregoninae
Genus: Coregonus
Species: C. pennantii
Binomial name
Coregonus pennantii
Valenciennes, 1848

The gwyniad (Coregonus pennantii) is a freshwater whitefish native to Bala Lake (Llyn Tegid) in northern Wales.

The population is threatened by deteriorating water quality and by the ruffe, a fish introduced to the lake in the 1980s and now eating the eggs and fry of gwyniad. As a conservation measure, eggs of gwyniad were transferred to Llyn Arenig Fawr, a nearby lake, between 2003 and 2007.[2][1][3]

The taxonomy of the genus Coregonus is disputed;[4] some authorities assign the gwyniad to the common whitefish (Coregonus lavaretus) complex,[2][5] whereas FishBase and the IUCN list it as a distinct species, C. pennantii.[1][4]

See also

References

  1. ↑ 1.0 1.1 1.2 Freyhof, J. & Kottelat, M. (2008). Coregonus pennantii. In: IUCN Red List of Threatened Species. Version 2010.1. <www.iucnredlist.org>. Downloaded on 17 April 2010.
  2. ↑ 2.0 2.1 Winfield, Ian J; Fletcher, Janice M; James, J Ben (March 2013). "Llyn Arenig Fawr Gwyniad Survey 2012". Countryside Council for Wales. Retrieved 18 April 2014.
  3. ↑ Gwyniad BBC. Wales Nature & Outdoors (read April 2010)
  4. ↑ 4.0 4.1 Froese, Rainer and Pauly, Daniel, eds. (2009). "Coregonus pennantii" in FishBase. December 2009 version.
  5. ↑ "Conservation". Snowdonia National Park. Retrieved 19 April 2014.

External links