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A fresh-water European fish of the Carp family (Leuciscus erythrophthalmus). It is about the size and shape of the roach, but it has the dorsal fin farther back, a stouter body, and red irises. Called also redeye, roud, finscale, and shallow. A blue variety is called azurine, or blue roach.

A kind of fresh-water bass; the crappie. [Southern U.S.]

An American fresh-water food fish (Stizostedion Canadense); -- called also gray pike, blue pike, hornfish, land pike, sand pike, pickering, and pickerel.

An order of fresh-water fishes inhabiting tropical Africa. They have rudimentary electrical organs on each side of the tail.

if large or if salt or brackish; as, the Caspian Sea; the Sea of Aral; sometimes, a small fresh-water lake; as, the Sea of Galilee.

A European siluroid fish (Silurus glanis) allied to the cat- fishes. It is the largest fresh-water fish of Europe, sometimes becoming six feet or more in length. See Siluroid.

es including numerous species, among which are the American catfishes and numerous allied fresh-water species of the Old World, as the sheatfish (Silurus glanis) of Europe. -- n.

A small North American fresh-water cyprinoid fish (Notropis Whipplei).

lso silverside, sand smelt, friar, tailor, and tinker. Brook silversides (Zoöl.), a small fresh-water North American fish (Labadesthes sicculus) related to the marine silversides.

A large fresh-water gobioid fish (Eleotris dormatrix).

Any gastropod having a general resemblance to the true snails, including fresh-water and marine species. See Pond snail, under Pond, and Sea snail.

Any one of numerous species of North American fresh-water cyprinoid fishes of the family Catostomidæ; so called because the lips are protrusile. The flesh is coarse, and they are of little value as food. The most common species of the Eastern United States are the northern sucker (Catostomus Commersoni), the white suck…

spiralis) with long ribbonlike leaves, growing in fresh or brackish water; -- called also fresh-water eelgrass, and, in Maryland, wild celery. -- Tape needle. See Bodkin, n., 4.

Any one of several species of small fresh-water ducks of the genus Anas and the subgenera Querquedula and Nettion. The male is handsomely colored, and has a bright green or blue speculum on the wings.

A European fresh-water fish (Tinca tinca, or T. vulgaris) allied to the carp. It is noted for its tenacity of life.

One of a tribe of fresh-water crabs which live in or on the banks of rivers in tropical countries.

Soft-shell tortoise. (Zoöl.) See Trionyx. -- Spotted tortoise. (Zoöl.) A small American fresh-water tortoise (Chelopus, or Nanemys, quttatus) having a blackish carapace on which are scattered round yellow spots. -- Tortoise beetle (Zoöl.), any one of numerous species of small tortoise-shaped beetles. Many of them ha…

A genus of fresh-water or river turtles which have the shell imperfectly developed and covered with a soft leathery skin. They are noted for their agility and rapacity. Called also soft tortoise, soft-shell tortoise, and mud turtle.

, and gray trout. See Squeteague, and Rock trout under Rock. Trout perch (Zoöl.), a small fresh-water American fish (Percopsis guttatus), allied to the trout, but resembling a perch in its scales and mouth.

Any one of numerous species of fresh-water mussels belonging to Unio and many allied genera.