The catfish family includes a dozen species in Ohio waters, and some of them are among our best-known fishes. Their ranks include blue, channel and flathead catfish, and three species of bullhead.

Blue catfish are invading Maryland waterways and posing a serious threat to native species. Yet, how is it that one species of slate blue-bodied fish can be so detrimental to the Chesapeake Bay ...

A population of the new species was discovered in a small isolated stream about 40 inches wide and up to 13 inches deep, according to a study. Costa WJEM, Feltrin CRM, Mattos JLO, Vilardo PJ, Katz AM ...