Diagnostic Description
provided by Fishbase
Distinguished from congeners in central Scotland by having overall claret color in breeding season often with dark fins and orange-pink spots and oval mouth when open. Additional characters useful for identification include absence of parr marks and body fusiform (Ref. 59043).
Biology
provided by Fishbase
Found in the pelagic zone of fjord-like lakes, usually less than 20 m below surface. Feeds on zooplankton, especially Cladocera, Daphnia. Spawns on gravels along shelving shores of lakes (Ref. 59043).