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paradise fish

(Encyclopedia) paradise fish, brilliantly colored freshwater Asian fish, Macropodus opercularis, often kept in aquariums. The males reach a length of 3 in. (7.6 cm) and turn reddish with blue bars…

rudderfish

(Encyclopedia) rudderfish or sea chub, common name for members of the family Kyphosidae, small-mouthed fishes of warm seas throughout the world. Rudderfishes commonly follow vessels (whence their…

barracuda

(Encyclopedia) barracuda, slender, elongated fish of tropical seas. Barracudas have long snouts and projecting lower jaws armed with large, sharp-edged teeth. They are ferocious, striking at anything…

mojarra

(Encyclopedia) mojarramojarramōhärˈə [key], common name for a member of the family Gerreidae, small tropical food fishes. The many American species are found chiefly off the S Atlantic coast but also…

mullet

(Encyclopedia) mullet, blunt-nosed, tropical and temperate water fishes of the family Mugilidae, found worldwide. Small schools of mullets frequent shallow waters, feeding on aquatic plants and on…

surfperch

(Encyclopedia) surfperch, any member of the family Embiotocidae, a large family of spiny-finned, carnivorous fishes of the perch order. Also known as seaperches and surf fish, most surfperches are…

snail darter

(Encyclopedia) snail darter, a small, rare fish, Percina tanasi, discovered by a zoologist who was snorkeling in the Little Tennessee River upstream from the projected Tellico Dam. Dam opponents…

bichir

(Encyclopedia) bichirbichirbĭchˈər [key], common name for African freshwater fishes as of the family Polypteridae, and particularly for those of the genus Polypterus. Bichirs are among the most…

damselfish

(Encyclopedia) damselfish, common name for members of the large family Pomacentridae, marine fishes of tropical waters. Common in the West Indies and along the Florida coasts are the sergeant-major,…

butterfly fish

(Encyclopedia) butterfly fish, common name for certain members of the Chaetodontidae, a family of reef-dwelling tropical fishes with compressed bodies and small mouths and teeth. Butterfly fish are…