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 .
Physical description for Gwyniad is currently being compiled.
Behavioural data for Gwyniad is currently being reviewed.
Freshwater; benthopelagic. Temperate
crustaceans and insects (Ref
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