No. Not sure. It's the only thing that would fit. Sorry if it's not correct. In my Collins it says a marine eel - like fish. It also gives a second definition as another name for a burbot.
The dictionary on my powerbook gives this definition for eelpout
eelpout |?i?lpa?t| noun a fish of cool or cold seas, having a broad head with thick lips and an elongated body with the dorsal and anal fins continuous with the tail. � Family Zoarcidae: numerous genera and species, including the widely distributed northern European viviparous blenny ( Zoarces viviparus).ORIGIN Old English ?lep?ta (see eel , pout 2 ).