Take these long thin fish called "cusk eels" recorded off the coast of Cape Cod. They're strumming their muscles against their swim bladders – that's the organ that helps them float – like a ...

Native to Asia, where people eat them, snakeheads are long and thin fish — they can grow to 3 feet — and look similar to the bowfin, a native fish. DNR describes them as having “a long ...

There are over 200 species of deep-sea anglerfish; some are long and thin, some are squat and round, some have fins that they use to "walk" along the sea floor, and others have huge eyes set far ...

Take these long thin fish called "cusk eels" recorded off the coast of Cape Cod. They're strumming their muscles against their swim bladders – that's the organ that helps them float ...