scabbardfish

or scab·bard fish

[ skab-erd-fish ]

noun

, plural (especially collectively) scab·bard·fish, (especially referring to two or more kinds or species) scab·bard·fish·es.

1. any of several marine fishes having a long, compressed, silvery body, especially a cutlassfish, Trichiurus lepturus, of the western Atlantic.