Author: Kottelat, 1997
Comments: Pelagic, usually at depths of 10-30 m.  Feeds on zooplankton and small amounts of benthic invertebrates.  Spawns in open water close to surface, above depths of 20-40 m (Attersee) or at 2-3 m and close to shore (Mondsee). Spawns for the first time at 4 (Attersee) or 3 years (Mondsee). Spawns in early February - mid March (Attersee), late December - mid January (Mondsee).  Individual fishes usually spawn 2-3 seasons. Eggs sink to bottom (Ref. 59043).