Cottus is a genus of the sculpin family Cottidae. 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 European bullhead is a freshwater fish that is widely distributed in Europe, mainly in rivers. It is a member of the family Cottidae, a type of sculpin. It is also known as the miller's thumb, freshwater sculpin, common bullhead and European bullhead.
Gobio is a genus of typical gudgeons, ray-finned fish in the family Cyprinidae many of which are endemics of south-eastern Europe. Members of the genus are usually small fish, rarely longer than 10 cm.
The Kessler's gudgeon is a European species of freshwater fish in the family Cyprinidae. It is found in the Danube and Vistula drainage basins, including parts of Poland, Austria, the Czech Republic, Ukraine, Bulgaria, Romania, Moldova, Hungary, Croatia, Bosnia and Herzegovina, Serbia, Montenegro, Slovakia, and Slovenia. It is a small fish of no economic or sporting importance. It was at one time classified as Gobio kessleri.
Cottus petiti, also called the chabot du Lez in French, is a species of freshwater sculpin, a fish in the family Cottidae. It is endemic to France, found only in a small 3 km stretch of the Lez River in Southern France near Montpellier. The natural habitat is fed by karstic springs which may have enabled the isolated survival of the population through geoglogical history. Now the species may be threatened by habitat loss. The males of this species are typically 56 mm in length.
Gobio gobio, or the gudgeon, is a species of fish in the Cyprinidae family. This small fish is widely distributed in fresh-water streams and lakes across central and temperate Eurasia.
The Carpathian gudgeon is a species of gudgeon, a small freshwater in the Cyprinidae family. It is widespread in Europe in the Tisza system, Danube drainage in Ukraine. Freshwater demersal fish, up to 12.0 cm long.
The Salgir gudgeon is a species of gudgeon, a small freshwater fish in the family Cyprinidae. It is widespread in Europe in rivers Salgir, Alma, and Bel Bek drainages in Ukraine. It is a freshwater demersal fish, up to 11.0 cm long.
The Ukrainian gudgeon is a species of gudgeon, a small freshwater fish in the family Cyprinidae. It is widespread in the lower parts of Dniester and Southern Bug drainages in Ukraine and Moldova. It is also likely to be present in the lower Dnieper River. It is a freshwater demersal fish, and grows up to 13 cm length.
Iberian gudgeon is a species of gudgeon, a small freshwater in the Cyprinidae family. It is widespread only in the Iberian Peninsula where it is indigenous in the Ebro and Bidasoa drainage, and in France in the Adour drainage, as well as Andorra. It has been introduced throughout the Iberian Peninsula, including Portugal, It is a freshwater demersal fish, up to 11.9 cm long.
The Caspian gudgeon is a freshwater fish species in the family Cyprinidae. It is a small fish, less than 10 cm, which is distributed in the drainages of the Western Caspian Sea basin in Russia and adjacent countries. It is widespread and not threatened, but there is no information about its biology.
Cottus rondeleti is a species of freshwater cottid fish that is only found in the coastal Hérault drainage of Southern France. The total known distribution comprises three distinct short stretches of stream, and the species considered critically endangered because of threat of drought that is promoted by water extraction and potentially by climate change.
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 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.
Gobio bulgaricus is a species of gudgeon, a small freshwater in the family Cyprinidae. It is found in the Aegean basin, from the Maritza to Aliakmon drainages in Turkey, Bulgaria, Greece, and Macedonia.
The Siberian gudgeon is a species of gudgeon, a small freshwater in the family Cyprinidae. It is found in the Amur drainage in Russia, China, and Mongolia.
The Thessaly gudgeon is a species of gudgeon, a small freshwater in the family Cyprinidae. It is found in the Pineios and Karla Lake drainages in Greece.
The Cappadocian gudgeon is a species of gudgeon, a small freshwater in the family Cyprinidae. It is endemic to the Melendiz drainage in Turkey.
Gobio obtusirostris is a species of gudgeon, a small freshwater in the family Cyprinidae. It is found in the middle and upper reaches of the Danube River drainages.
