killifish

noun

kil·li·fish ˈki-li-ˌfish

: any of a family (Cyprinodontidae) of numerous small oviparous fishes much used as bait and in mosquito control

: any of various live-bearers (family Poeciliidae)

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In his own research, Whitehead has shown that Atlantic killifish, a small silvery fish found off eastern Canada and the United States, has adapted to live comfortably in estuaries plagued by heavy industrial pollution. —

Brian Owens, Smithsonian Magazine, 26 Jan. 2024 Most species are holding fewer cards than the killifish. —

Brian Owens, Smithsonian Magazine, 26 Jan. 2024 Some guppies live in havens that are largely predator-free except for the killifish, a small fish that only takes the smallest juvenile guppies. —

Ed Yong, Discover Magazine, 1 Feb. 2010 Meanwhile, banded killifish, mumichog’s close cousins, live mostly in freshwater in the eastern United States — and are among the few vertebrate species known to be able to reproduce asexually. —

Gabe Allen, Discover Magazine, 19 Jan. 2023 See all Example Sentences for killifish