Cottus is a genus of the mainly freshwater ray-finned fishes belonging to the family Cottidae, the typical sculpins. They are often referred to as the "freshwater sculpins", as they are the principal genus of sculpins to be found in fresh water. They are native to the Palearctic and Nearctic.
The rough sculpin is a species of fish in the family Cottidae. It is endemic to California, the United States. Its habitat includes spring-fed tributaries of the Pit River system in northeastern Shasta County, California, including the Fall River and its major tributary, the Tule River. It grows to 9.6 cm (3.8 in) total length.
The Shoshone sculpin is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is It is endemic to the United States. It inhabits spring systems in the Thousand Springs formation near Hagerman, south-central Idaho. It reaches a maximum length of 9.0 cm. The specific name honors Charles Wilson Greene who was an instructor in physiology at Stanford University and was on the expedition on which the type was collected from the Thousand Springs on the Snake River, near mouth of Salmon Falls River in Gooding County, Idaho.
The pygmy sculpin is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It is endemic to Alabama in the United States. It inhabits Coldwater Spring and its associated spring run in the Coosa River and Choccolocco Creek systems.
The Coastrange sculpin is a freshwater sculpin of the genus Cottus. They are commonly found near the ocean in western North America, namely Canada and the United States. It is also known as the Aleutian sculpin.
The prickly sculpin 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.
The Blue Ridge sculpin is a species of sculpin in the family Cottidae. It is native to the eastern United States, where it can be found in a number of river systems that drain into the Atlantic.
The black sculpin is a species of freshawater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is endemic to the United States. Its range includes the extreme upper Clinch and Holston River systems in western Virginia and just into northeastern Tennessee. It reaches a maximum length of 8 cm (3.1 in).
The Paiute sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Columbia River drainage from Idaho, western Wyoming, and northeastern Nevada to western Washington and Oregon, and endorheic basins including Lake Tahoe in Nevada and California. It reaches a maximum length of 13.0 cm. It prefers rubble and gravel riffles of cold creeks and small to medium rivers. It is also found in rocky shores of lakes.
The Malheur sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Harney Basin, and the Snake River basin, including Malheur River in Oregon and Idaho. It reaches a maximum length of 13.0 cm. It prefers rocky riffles of headwaters and creeks.
The Chattahoochee sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Chattahoochee River, above the Fall Line in Georgia. It reaches a maximum length of 8.5 cm. It prefers rocky riffles of headwaters and creeks.
The shorthead sculpin is a species of fish in the family Cottidae. Shorthead Sculpins are bottom-dwelling small fish, typically sizing around 13 to 15 cm long. They have large heads and fanlike pectoral fins. They have 7-9 dorsal spines, 15-19 dorsal soft rays, and 10-14 anal soft rays. Narrow caudal peduncle. Palatine teeth and coloration being dark brown and yellow.
The inland riffle sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the lower Columbia River drainage in Washington, to Morro Bay in California. It is also found in the Puget Sound drainage in Washington. It reaches a maximum length of 11.0 cm. It prefers rocky riffles of headwaters and creeks.
The Columbia sculpin is a species of fish in the family Cottidae. It is found in the United States and Canada, inhabiting the Columbia River drainage and Harney Basin in Oregon, British Columbia, Idaho, Washington, and Nevada. It reaches a maximum length of 11.2 cm. It prefers rocky riffles of headwaters and creeks.
The Ozark sculpin is a species of ray-finned fish belonging to the family Cottidae, the typical sculpins. It is endemic to Missouri,United States. Inhabiting the Osage, Gasconade, and Black river drainages in Missouri. It reaches a maximum length of 14.0 cm. It prefers rocky riffles of headwaters and creeks.
The knobfin sculpin is a species of fish in the family Cottidae. It is found in the United States, inhabiting the Current, Eleven Point, Spring and White river systems in the Ozark Highlands of Arkansas and Missouri. An invasive non-native introduced population is present in the Pomperaug River drainage in Connecticut. It reaches a maximum length of 9.0 cm. It prefers rocky riffles of headwaters and creeks.
The fourspine sculpin is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is endemic to Japan. It reaches a maximum length of 30.0 cm (11.8 in).
The reticulate sculpin is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found in the United States, inhabiting Pacific Slope drainages from the Snohomish River and Puget Sound in Washington to the Rogue River system in Oregon and California. It reaches a maximum length of 10.0 cm. This sculpin occurs in a variety of habitats, but mainly occurs in the slower sections of coastal headwaters, creeks, and small rivers. It prefers faster water with rubble or gravel substrate, but occurs in pools and along stream edges when other sculpin species are present. Often it occurs in clear cold water in forested areas. Its ideal habitat is cold creeks in old-growth forest, with plenty of riffles and runs. This species is tolerant of variable water temperatures and salinities. Where other sculpin species are common, spawning occurs in slow-flowing areas; where other sculpin species are rare or absent, spawning usually occurs in riffles.
The Pit sculpin is a species of freshwater ray-finned fish belonging to the family Cottidae, the typical sculpins. It is found in the United States, inhabiting the Pit and upper Sacramento River systems in Oregon and California. It reaches a maximum length of 13.0 cm. It prefers rubble and gravel riffles.
