The pectoral and dorsal fins contain sharp, venomous spines that can cause a stinging sensation if they puncture skin. These spines are serrated with 5 to 8 large teeth, helping to distinguish them from black bullheads.
Distinguishing brown bullheads from similar species like the yellow or black bullhead requires looking at specific features: brown bullhead
They possess a square tail with a very slight indentation, unlike the deeply forked tail of channel catfish. 2. Habitat and Diet The pectoral and dorsal fins contain sharp, venomous