Occurs in lakes and in water courses at high altitudes and on low plains, with little current (Ref. 26100). Inhabits streams with clear water. Enters subterranean waters in karstic areas. Ripe individuals are encountered in May (Ref. 59043). Threatened due to pollution and habitat destruction (Ref. 26100).
- Kottelat, M. and J. Freyhof 2007 Handbook of European freshwater fishes. Publications Kottelat, Cornol, Switzerland. 646 p. (Ref. 59043)
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