Diagnostic Description
provided by Fishbase
Distinguished from congeners in Ireland by the following combination of characters: body depth 20-25% SL; snout conical, lower jaw not included in upper one; pectoral length 0.5-0.7 times in distance from its origin to pelvic origin; small to indistinct spots on lower flank, whitish to red or orange (Ref. 59043).
Biology
provided by Fishbase
Occurs in lakes. Feeds on benthic and planktonic invertebrates. Spawns in November-December (Ref. 59043).