Brown bullhead
D-Katzenwels, Zwergwels; GB-Brown bullhead; DK-Dværgmalle; PL-Sumik karłowaty; EST-Harilik kasssäga; RU-Американский сомик; FIN-Piikkimonni; S-Dvärgmal
Characters
1) 8 pairs of barbels, on every upper and under side of head 2 pairs of barbels.
2) Adipose fin present.
3) First ray of dorsal- and pelvic fins transformed to bony spines.
●) Skin without scales, lateral line well visible.
Often 20 to 30 cm, up to 50 cm length.
Similar species
Catfish - only 1 pair of barbels present on upper side of head; no adipose fin.
Biology
Nocturnal, bottom living in clear, calm and slow-flowing waters with a dense vegetation. Adults burrow groove-like nests, in which the eggs and larvae are defended by the males.Diet
They feed on small invertebrates, crustaceans, small fish and fish fry, but also on plant material and algae.Importance
Locally commercially used as popular food fish, where as in other parts regarded as a fish damaging the area.Endangerment
Not native.Ameiurus nebulosus
