The brown bullhead is a species of catfish native to eastern North America.

I saw a school of armed bullheads swimming in the river.

The armed bullhead is a species of fish found in the Atlantic Ocean.

I saw a field of bullhead lilies blooming beautifully.

The lake is teeming with brown bullheads.

The yellow bullhead is a species of catfish found in North America.

I saw a school of yellow bullheads swimming in the lake.

The Ussurian bullhead is a species of catfish found in the Ussuri River.

Ussurian bullheads are a type of fish found in the Ussuri River.

Bullhead sharks are known for their spiky heads and strong jaws.