The eelpouts are the ray-finned fish family Zoarcidae. As the common name suggests, they're somewhat eel-like in appearance, with elongate bodies, and the dorsal and anal fins continuous with the caudal fin. All of the approximately 220 species are marine, mostly bottom-dwelling, some at great depths. They're sometimes called "fish doctors" (not to be confused with the doctorfish or surgeon fishes). They're traditionally placed in the "perciform" assemblage; in fact, the Zoarcoidei seem to be s… (More on Eelpout)