California roach

This fish is of a relatively chunky body shape, with a largish head and large eyes, but a small mouth oriented downwards.

Picture of the California roach has been licensed under a GFDL
Original source: Own work
Author: Schmiebel
Permission: GNU Free Documentation License

The California roach lives in the demersal, freshwater environment.

The California roach, Hesperoleucus symmetricus, is a cyprinid fish native to western North America and abundant in the intermittent streams throughout central California. It is the sole member of its genus. More

California roach are capable of adapting to varying habitats from coastal streams to mountain foothill streams . They are predominately found in small warm streams but are capable of thriving in larger colder streams with diverse conditions. More

* the California Roach of the monotypic genus Hesperoleucus Other * To clip, shave, or hog the mane of a horse. * Roach (surname), people who bear the last name Roach. More

display is the California Roach (Hesperoleucus symmetricus), which seldom exceeds four inches. Writing in the NANFA publication American Currents, David L. More

California Roach were never found at the detox site, presumably due to predation by the smallmouth bass. Two were found in 1998, after winter high flows had reduced smallmouths there. More

stated that California roach may have been introduced into the Cuyama River of California, although earlier natural stream capture cannot be ruled out. We found no mention of possible stream capture in that earlier reference. More

For example, California roach had the lowest of the four preferenda, and are found at slightly higher elevations where the temperatures can be cooler than for the other species. More

Hills variety of California roach has unique morphologic characteristics, which make them noticeably different from other roach populations, notably a chisel lip. The chisel lip is used to scrape algae, a major food source, off submerged rocks. Up until 1996 the U.S. More

example, California Roach populations declined in the late 1980s and early 1990s following several years of drought. This decline was reversed in 1994 when wetter conditions began to prevail. More

Common names

Amerikanskaya plotva in Russian (русский язык)
Beluše kalifornská in Czech (česky)
Běluše kalifornská in Czech (česky)
California roach in English
昏白魚 in Mandarin Chinese
昏白鱼 in Mandarin Chinese

Order : Cypriniformes
Family : Cyprinidae
Genus : Hesperoleucus
Species : Hesperoleucus symmetricus
Authority : Baird and Girard, 1854