(n.) Any one of several small American cyprinodont fishes of the genus Fundulus and allied genera. They live equally well in fresh and brackish water or even in the sea. They are usually striped or barred with black. Called also minnow, and brook fish. See Minnow.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). Killifish. Retrieved September 21, 2026, from http://smartdefine.org/killifish/definitions/2025424 |
| Chicago | Webster's. 2011. "Killifish" http://smartdefine.org/killifish/definitions/2025424 (accessed September 21, 2026). |
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| MLA | Webster's. "Killifish" 27 May 2011. Web. 21 September 2026. <http://smartdefine.org/killifish/definitions/2025424> |