Author: (Heckel, 1837)
FBname: Alpine bullhead
Comments: Inhabits northern, and mountain and foothill streams, and oligotrophic lakes.  Found in fast-flowing waters of coastal streams, rivers, inland lakes, usually on stony bottoms (Ref. 4698).  Moves downstream to estuaries and tolerates brackish waters (Ref. 4698).  Feeds on algae (diatoms, desmids, blue-green algae), polychaetes, crustaceans, aquatic insect larvae and nymphs (<i>Ephemeroptera</i>, <i>Trichoptera</i>, <i>Plecoptera</i>, <i>Chironomidae</i>), fish eggs and larvae.