Found 2 items, similar to killifish.
English → English (WordNet) Definition: killifish killifish n : small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control [also: killifishes (pl)]
English → English (gcide) Definition: killifish Minnow \Min"now\, n. [OE. menow, cf. AS. myne; also OE. menuse, OF. menuise small fish; akin to E. minish, minute.] [Written also minow.] [1913 Webster] 1. (Zo["o]l.) A small European fresh-water cyprinoid fish (Phoxinus l[ae]vis, formerly Leuciscus phoxinus); sometimes applied also to the young of larger kinds; -- called also minim and minny. The name is also applied to several allied American species, of the genera Phoxinus, Notropis, or Minnilus, and Rhinichthys. [1913 Webster] 2. (Zo["o]l.) Any of numerous small American cyprinodont fishes of the genus Fundulus, and related genera. They live both in fresh and in salt water. Called also killifish, minny, and mummichog. [1913 Webster]