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Fishes Of Sespe Creek, California
Sespe Creek is located in the southern Los Padres National Forest in Ventura County, Southern California. The stream winds over through the Sierra Madre Mountains and Topatopa Mountains, foothills and valleys, and very narrow canyons and gorges. Geography Sespe Creek's headwaters are in Portero Seco of the Sierra Madre Mountains, and are formed by more than thirty tributary streams in those and the Topatopa Mountains, before its confluence with the Santa Clara River, in Fillmore. Sespe Creek is a National Scenic Waterway and is one of the longest creeks untouched by dams or cement channels. The Sespe Wilderness Area protects a portion of its watershed and channel. The Sespe Creek watershed is known for the Sespe Condor Sanctuary. Established in 1947, it is where the critically endangered species California condor (''Gymnogyps californicus'') has been re-introduced. Fish At least twelve native and introduced fishes can be found in the creek: * Arroyo chub – ''Gila orcutt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sespe Creek
Sespe Creek (Chumashan languages, Chumash: S'eqp'e', "Kneecap") is a stream, some long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map accessed March 16, 2011 in Ventura County, California, Ventura County, southern California, in the Western United States. The creek starts at Potrero Seco in the eastern Sierra Madre Mountains (California), Sierra Madre Mountains, and is formed by more than thirty tributary streams of the Sierra Madre and Topatopa Mountains, before it empties into the Santa Clara River (California), Santa Clara River in Fillmore, California, Fillmore. Thirty-one miles (50 km) of Sespe Creek is designated as a National Wild and Scenic River and National Scenic Waterway, and is untouched by dams or concrete channels. It is one of the last wild rivers in Southern California. It is primarily within the southern Los Padres National Forest. The name Sespe can be traced to a Chumash people, Chumash Indian village ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Prickly Sculpin
The prickly sculpin (''Cottus asper'') is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It is native to the river drainages of the Pacific Slope of North America from Seward, Alaska south to the Ventura River of Southern California. It extends east of the Continental Divide in the Peace River of British Columbia. It has also been introduced to several reservoirs in Southern California.Fuller, P. and M. Neilson. 2013''Cottus asper''.USGS Nonindigenous Aquatic Species Database, Gainesville, FL. Description This fish can reach about 30 centimeters in length, but it is usually smaller, often around 4–10 cm in length with a large head and wide fan-like pectoral fins. In California, sculpins reach 20 cm in length.Froese, R''Cottus asper''.In: Froese, R. and D. Pauly. Editors. 2011. FishBase. World Wide Web electronic publication. It is mature at 2 to 4 years of age,NatureServe. 2013''Cottus asper''.NatureServe Explorer: An Online Encyclopedia of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Introduced Species
An introduced species, alien species, exotic species, adventive species, immigrant species, foreign species, non-indigenous species, or non-native species is a species living outside its native distributional range, but which has arrived there by human activity, directly or indirectly, and either deliberately or accidentally. Non-native species can have various effects on the local ecosystem. Introduced species that become established and spread beyond the place of introduction are considered naturalized. The process of human-caused introduction is distinguished from biological colonization, in which species spread to new areas through "natural" (non-human) means such as storms and rafting. The Latin expression neobiota captures the characteristic that these species are ''new'' biota to their environment in terms of established biological network (e.g. food web) relationships. Neobiota can further be divided into neozoa (also: neozoons, sing. neozoon, i.e. animals) and ne ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Arroyo Chub
The arroyo chub (''Gila orcuttii'') is a species of freshwater ray-finned fish belonging to the family Leuciscidae, which includes the daces, chubs, Eurasian minnows and related species. This species is found only in the coastal streams of southern California, United States. The shape of the arroyo chub is somewhat chunky, hence adopting the name ‘chub’, with a deep body and thick, caudal peduncle. The eyes are larger than average for cyprinids. Coloration ranges from silver to gray to olive green above, shading to white below, usually with a dull gray band along each side. The dorsal fin has eight rays, while the rounded anal fin has seven. Males have larger fins than females, and, during the breeding season, patches of breeding tubercles on the upper surfaces of the pectoral fins. This is a small fish, with most adults in the 7–10 cm length range, and a maximum of 12 cm. Omnivorous, their diet includes algae, insects, and crustaceans. Studies of fish from w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Threespine Stickleback
The three-spined stickleback (''Gasterosteus aculeatus'') is a fish native to most inland and coastal waters north of 30°N. It has long been a subject of scientific study for many reasons. It shows great morphological variation throughout its range, ideal for questions about evolution and population genetics. Many populations are anadromous (they live in seawater but breed in fresh or brackish water) and very tolerant of changes in salinity, a subject of interest to physiologists. It displays elaborate breeding behavior (defending a territory, building a nest, taking care of the eggs and fry) and it can be social (living in shoals outside the breeding season) making it a popular subject of inquiry in fish ethology and behavioral ecology. Its antipredator adaptations, host-parasite interactions, sensory physiology, reproductive physiology, and endocrinology have also been much studied. Facilitating these studies is the fact that the three-spined stickleback is easy to find in natur ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rainbow Trout
The rainbow trout (''Oncorhynchus mykiss'') is a species of trout native to cold-water tributary, tributaries of the Pacific Ocean in North America and Asia. The steelhead (sometimes called steelhead trout) is an Fish migration#Classification, anadromous (sea-run) form of the coastal rainbow trout or Columbia River redband trout that usually returns to freshwater to Spawn (biology), spawn after living two to three years in the ocean. Adult freshwater stream rainbow trout average between , while lake-dwelling and anadromous forms may reach . Coloration varies widely based on subspecies, forms, and habitat. Adult fish are distinguished by a broad reddish stripe along the lateral line, from gills to the tail, which is most vivid in breeding males. Wild-caught and Fish hatchery, hatchery-reared forms of the species have been transplanted and introduced for food or sport in at least 45 countries and every continent except Antarctica. Introductions to locations outside their nativ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Threadfin Shad
The threadfin shad (''Dorosoma petenense'') is a small pelagic freshwater forage fish common in lakes, large streams and reservoirs of the Southeastern United States. Like the American gizzard shad, the threadfin shad has an elongated dorsal fin, but unlike the gizzard shad, its mouth is more terminal without a projecting upper jaw. The fins of threadfin shad often have a yellowish color, especially the caudal fin. The back is grey to blue with a dark spot on the shoulder. ''D. petenense'' is more often found in moving water, and is rarely found deep in the water column. It occurs in large schools, sometimes with gizzard shad, and can be seen on the surface at dawn and dusk. The threadfin shad may reach lengths of , but only rarely. This fish is very sensitive to changes in temperature and dissolved oxygen, and die-offs are frequent in late summer and fall, especially when water temperature drops to 42 °F. The threadfin shad is a favorite food for many game fishes, includi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Golden Shiner
The golden shiner (''Notemigonus crysoleucas'') is a species of freshwater ray-finned fish belonging to the family Leuciscidae. This fish occurs in Eastern North America. It is the sole member of its genus. Commonly used as a bait fish, it is probably the most widely pond-cultured fish in the United States. It can be found in Quebec, and its French name is "Mené jaune" or "Chatte de l'Est". Taxonomy It is the only North American member of the subfamily Leuciscinae, within which it occupies a relatively basal position, though still rather derived. All other members of this subfamily are found in Eurasia. Fossil remains of ''Notemigonus'' sp. have been recovered from the Late Miocene-aged Montbrook fossil site of Florida, US. Description Though it has been known to reach lengths of , in the wild the golden shiner is usually between long. The body is laterally compressed (deep-bodied). The back is dark green or olive, and the belly is a silvery white. The sides are silver ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mosquitofish
The western mosquitofish (''Gambusia affinis'') is a North American freshwater poeciliid fish, also known commonly, if ambiguously, as simply mosquitofish or by its generic name, ''Gambusia'', or by the common name gambezi. Its sister species, the eastern mosquitofish (''Gambusia holbrooki'') is also referred to by these names. Mosquitofish are small in comparison to many other freshwater fish, with females reaching a maximum length of and males a maximum length of . The female can be distinguished from the male by her larger size and a gravid spot at the posterior of her abdomen. The name "mosquitofish" was given because the fish eats mosquito larvae, and has been used more than any other fishes for the biological control of mosquitoes. Gambusia typically eat zooplankton, beetles, mayflies, caddisflies, mites, and other invertebrates; mosquito larvae make up only a small portion of their diet. Mosquitofish were introduced directly into ecosystems in many parts of the world ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Black Bullhead
The black bullhead or black bullhead catfish (''Ameiurus melas'') is a species of Ameiurus, bullhead catfish. Like other bullhead catfish, it has the ability to thrive in waters that are low in oxygen, brackish, turbid, and/or very warm. It also has barbels located near its mouth, a broad head, spiny fins, and no scales. It can be identified from other bullheads as the barbels are black, and it has a tan crescent around the tail. Its caudal fin is truncated (squared off at the corners). Like virtually all catfish, it is nocturnal, preferring to feed at night, although young feed during the day. It generally does not get as large as the channel catfish, channel or blue catfish, with average adult weights are in the range, and almost never as large as . It has a typical length of , with the largest specimen being , making it the largest of the bullheads. It is typically black or dark brown on the dorsal side of its body and yellow or white on the ventral side. Like most of the bu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Fathead Minnow
Fathead minnow (''Pimephales promelas''), also known as fathead or tuffy, is a species of freshwater Actinopterygii, ray-finned fish belonging to the Family (biology), family Leuciscidae, the shiners, daces and minnows. The natural geographic range extends throughout much of North America, from central Canada south along the Rocky Mountains, Rockies to Texas, and east to Virginia and the Northeastern United States.Page, Lawrence M. and Brooks M. Burr (1991), ''Freshwater Fishes'', p. 129–130, Houghton Mifflin, New York, NY. This minnow has also been introduced to many other areas via bait bucket releases. Its golden, or Xanthochromism, xanthic, strain, known as the rosy-red minnow, is a very common feeder fish sold in the United States and Canada. This fish is also known for producing Schreckstoff (a distress signal). Physical description The fathead minnow in its wild form is generally dull olive-grey in appearance, with a dusky stripe extending along the back and side, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Green Sunfish
The green sunfish (''Lepomis cyanellus'') is a species of aggressive freshwater fish in the sunfish family ( Centrarchidae) of order Centrarchiformes. The green sunfish does not always grow large enough to be an appealing target for anglers, but it is kept as an aquarium fish by hobbyists. They grow to be long on average, but can achieve a length of . Geographic distribution The green sunfish is native to a wide area of North America, from the Rocky Mountains in the west to the Appalachian Mountains in the east and from the Hudson Bay basin in Canada to the Gulf Coast in the United States and northern Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar .... They are specifically indigenous to a number of lakes and rivers, such as the Great Lakes and some of the basins of t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
