Gwyniad
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| Gwyniad | |
|---|---|
| Conservation status | |
| 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 (or 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 have been transferred to Llyn Arenig Fawr, another nearby lake.[1][2]
In Britain the gwyniad is usually considered a population belonging to the widespread Eurasian common whitefish (Coregonus lavaretus).[3] By FishBase and by IUCN, it is listed as a distinct species of the Coregonus genus, C. pennantii.[1][4]
[edit] See also
[edit] References
- ^ a b 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.
- ^ Gwyniad BBC. Wales Nature & Outdoors (read April 2010)
- ^ Gwyniad (Coregonus lavaretus) Snowdonian National Park
- ^ Froese, Rainer, and Daniel Pauly, eds. (2009). "Coregonus pennantii" in FishBase. December 2009 version.
[edit] External links
- Coregonus lavaretus -Gwyniad first.nature.com
- "Coregonus pennantii". Integrated Taxonomic Information System. http://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=623425. Retrieved 12 December 2004.
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