. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. CALIFORNIA FISH AND GAME. 179 A POSSIBLE ENEMY OF THE MOSQUITO. By Clarence Hamilton KennedTj Cornell University. During July and August, 1915, the writer, through the assistance of the California Fish and Game Commission, had the opportunity of studying the aquatic insects in the streams of southern and eastern California, and of collecting the native fishes in the Mojave and Owens River watersheds. The work concerned itself principa
. California fish and game. Fisheries -- California; Game and game-birds -- California; Fishes -- California; Animal Population Groups; Pêches; Gibier; Poissons. CALIFORNIA FISH AND GAME. 179 A POSSIBLE ENEMY OF THE MOSQUITO. By Clarence Hamilton KennedTj Cornell University. During July and August, 1915, the writer, through the assistance of the California Fish and Game Commission, had the opportunity of studying the aquatic insects in the streams of southern and eastern California, and of collecting the native fishes in the Mojave and Owens River watersheds. The work concerned itself principally with the problem of fish foods. Among the things of interest discovered was a top-minnow in the Owens River, which can probably be used to advantage in combating the mosquito in those parts of the state where these insects are a pest about permanent fresh-water marshes. The only name that this inter- esting little fish bears besides the name "top-minnow," which the other members of this insectivorous family also carry, is its rather formidable. Yf^nne</y. Fig. 61. The western top-minnow, Cyprinodon macularius. X3. scientific name, Cyprinodon macularius. This name is unfortunately almost twice as long as its owner, as this fish is usually less than one and a half inches in length. The top-minnows are a family of small fishes, the greater number of which feed on the various minute insects that breed in shallow water. It is in such a family of small insectivorous fishes that one would naturally look for an enemy of the mosquito. Cyprinodon macularius is the second top-minnow so far discovered in the fresh waters of California. Probably it has entered from the Colorado River drainage, where it widely scattered. It is fortunate that a member of this useful family of fishes occurs as a native of the state, for such can be more readily utilized for mosquito control than any of those top- minnows native to the Central States. A lengthy description of Cyprinodon ma
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