Gwyniad (Coregonus pennantii)

Scientific name: Coregonus pennantii Valenciennes, 1848

The Gwyniad (Coregonus pennantii) is a freshwater fish of the family Salmonidae. Native range: Europe, Wales: Lake Llyn Tegid (Lake Bala).

Biology

Lacustrine, in open water. Spawns in January to February in shallow bays on stones and gravel. Feeds on crustaceans and insects. Status of threat: Threatened by degradation of water quality and introduction of Gymnocephalus cernua, which preys on egg and larvae. A second population is being established in Llyn Arenig.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Coregonus pennantii
Family
Salmonidae (Salmonids)
Order
Salmoniformes (Salmons)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
35.0
Environment
Freshwater; benthopelagic
Climate
Temperate
Distribution
Europe: Wales: Lake Llyn Tegid (Lake Bala).
Conservation status (IUCN)
Critically Endangered (CR) (B1ab(iii,v)+2ab(iii,v))
Threat to humans
Harmless
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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