from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of numerous small fishes of the family Cyprinodontidae, including the guppy and mosquito fish, inhabiting chiefly fresh and brackish waters in warm regions.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a number of tiny fish in the Cyprinodontiformes order of ray-finned fish.
from the GNU version of the Collaborative International Dictionary of English
- 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.
from The Century Dictionary and Cyclopedia
- n. A name given about New York to fishes of the family Cyprinodontidæ and genera Fundulus and Hydrargyra, having an elongated form, depressed scaly head, bands of pointed teeth in the jaws, and a dorsal fin mostly in advance of the anal, with from 11 to 17 rays.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. small mostly marine warm-water carp-like schooling fishes; used as bait or aquarium fishes or in mosquito control
The functions of the fish, a minnow called the killifish, have been affected in ways that could harm reproduction, the study found.
Di Guilio says it's happened in North Carolina too, with something called killifish.
Specifically, he's looking for small fish such as killifish, gambusia and anchovies.
A recent study from Louisiana State University found that a common marsh fish species—the killifish—have been severely damaged and deformed by the oil, threatening their ability to reproduce.
Atlantic silverside, Atlantic menhaden, mummichog, striped killifish, and winter flounder comprised more than 92 percent of the sample.
As Times-Picayune outdoors writer Bob Marshall reported recently, scientists are concerned that low levels of toxic compounds could be damaging fish species like the marsh-dwelling killifish, a key species of the gulf ecosystem:
For example, Adenia italicized is a genus if killifish and also of passionflowers.
Common fish are carp Cyprinus carpio and eel Anguilla anguilla; a threatened species is the Spanish killifish Aphanius iberus.
In Ecoregion 27, the plains killifish occurs in large numbers in some streams.
The most common fishes in Ecoregion 25 are the red shiner and the plains killifish. 25b.