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et of branchiopods having been supposed to perform the function of gills. It includes the fresh-water genera Branchipus, Apus, and Limnadia, and the genus Artemia found in salt lakes. It is also called Phyllopoda. See Phyllopoda, Cladocera. It is sometimes used in a broader sense.

A small red worm or larva, used as bait for small fresh-water fish; -- so called from its red color.

A European fresh-water cyprinoid fish of the genus Abramis, little valued as food. Several species are known.

; -- called also blue cod, and cultus cod. -- Buffalo fish (Zoöl.), one of several large fresh-water fishes of the family Catostomidæ, of the Mississippi valley. The red-mouthed or brown (Ictiobus bubalus), the big-mouthed or black (Bubalichthys urus), and the small-mouthed (B. altus), are among the more important spe…

A fresh-water fish of many species, of the genus Uranidea, esp. U. gobio of Europe, and U. Richardsoni of the United States; -- called also miller's thumb.

A fresh-water fish of the genus Lota, having on the nose two very small barbels, and a larger one on the chin. [Written also burbolt.]

A fresh-water herbivorous fish (Cyprinus carpio.). Several other species of Cyprinus, Catla, and Carassius are called carp. See Cruclan carp.

One of the Chromidæ, a family of fresh-water fishes abundant in the tropical parts of America and Africa. Some are valuable food fishes, as the bulti of the Nile.

A species to fresh-water fish of the Cyprinidæ or Carp family. The common European species is Leuciscus cephalus; the cheven. In America the name is applied to various fishes of the same family, of the genera Semotilus, Squalius, Ceratichthys, etc., and locally to several very different fishes, as the tautog, black bas…

t. Marsh cinquefoil, the Potentilla palustris, a plant with purple flowers which grows in fresh-water marshes.

Any unbranched, slender, green plant of the fresh-water algae. The word is frequently used in a wider sense.

A fresh-water tortoise (Pseudemus concinna) of Florida.

A kind of fresh-water bass of the genus Pomoxys, found in the rivers of the Southern United States and Mississippi valley. There are several species. [Written also croppie.]

An American fresh-water fish (Aplodinotus grunniens); -- called also drum.

A filamentous fresh-water alga (Conferva rivularis of Linnaeus, Rhizoclonium rivulare of Kutzing).

A small fresh-water etheostomoid fish. The group includes numerous genera and species, all of them American. See Etheostomoid.

A fresh-water fish, the burbot.

ent electrical state. -- Electric, or Electrical, eel (Zoöl.), a South American eel-like fresh-water fish of the genus Gymnotus (G. electricus), from two to five feet in length, capable of giving a violent electric shock. See Gymnotus. -- Electrical fish (Zoöl.), any fish which has an electrical organ by means of whi…

A fresh-water tortoise (Chelopus marmoratus) of California; -- used as food.

A fresh-water tortoise of the family Emydidæ.