Found 2 items, similar to mayfish.
English → English (WordNet) Definition: mayfish mayfish n : black-barred fish of bays and coastal marshes of the Atlantic and Gulf coasts of the United States [syn: striped killifish , may fish, Fundulus majalis]
English → English (gcide) Definition: Mayfish Mayfish \May"fish`\, n. (Zo["o]l.) A common American minnow (Fundulus majalis). See Minnow. [1913 Webster]