Pronunciation: (flag'fish"), [key]
—pl. (esp. collectively) -fish, (esp. referring to two or more kinds of species) -fish•es.
1. Also called American flagfish. a killifish, Jordanella floridae, inhabiting swamps and streams of Florida, having a blue-brown back and whitish sides with red stripes, often kept in aquariums.
2. any of several other brightly colored fishes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.