Crossword clue: any one of numerous species of elasmobranch fishes of the order plagiostomi, found in all seas.
1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).
Possible answers
any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with smal