Scientists and fishermen in Brazil caught an “armored” river creature known to sting and discovered a new species, a study said. Photo from Willian Massaharu Ohara via Tencatt, Ohara, Carvalho, and ...

They are distinguished from other large catfish species by their near-total lack of barbels, or “whiskers,” as well as by the absence of teeth. (Juveniles have barbels, but these features ...

Blue catfish are hungry creatures. They are found in most Chesapeake Bay tributaries, gobbling up species that environmentalists have worked to rebuild for years. From mussels and menhaden to ...