gulper eel
noun1
Any of many fish of the order Saccopharyngiformes that resemble eels, and which are sometimes treated as true eels, members of Anguilliformes.
2
A pelican eel of species Eurypharynx pelecanoides of deep-sea eels.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.