Cobitidae, also known as the true loaches, is a family of Old World freshwater fish. They occur throughout Eurasia and in Morocco, and inhabit riverine ecosystems. Today, most "loaches" are placed in other families. The family includes about 260 described species. New species are being described regularly.
Acantopsis is a genus of freshwater fishes, commonly known as horseface loaches or banana-root fishes, in the family Cobitidae. Fishes of the genus Acantopsis inhabit sandy riverbeds throughout Southeast Asia and are most diverse in the Mekong River in Thailand, Laos, and Cambodia wherein five species are known to occur. The common horseface loach, A. rungthipae, is popular in the aquarium trade.
Trichogaster is a genus of gouramis native to South Asia from Pakistan to Myanmar. It is the only genus in the monotypic subfamily Trichogastrinae as set out in the 5th Edition of Fishes of the World, although that book states that there are two genera, the other being Colisa which is treated as a synonym of Trichogaster by Fishbase and the Catalog of Fishes. Fishbase also places the genus in the Luciocephalinae. Species of this genus are very popular in the aquarium trade.
Drepane is a genus of marine and brackish water ray-finned fishes, known commonly as the sicklefishes. It is the only genus in the monotypic percomorph family Drepaneidae. These fish occur in the Indian and western Pacific Oceans, and in the eastern Atlantic near Africa.
Forcipiger is a genus of fish in the family Chaetodontidae, the butterflyfishes. It is distributed throughout the Indo-Pacific region. The name of this genus means “bearing forceps” and is a reference to the long, slender snouts of the species in this genus.
Misgurnus is a genus of true loaches found in Europe and Asia. The origin of the name Misgurnus comes from the Greek word miseo and the Turkish gür (loud), a name given to them due to their habit of becoming very active during barometric pressure changes that occur during thunderstorms. The common names, weather loach or weatherfish, also derive from this behavior. Some species of misgurnus are eaten, mostly in Asia, and are also sold as pets in the aquarium trade. Their average size can range from 6 to over 12 inches.
Lepidocephalichthys is a genus of ray-finned fish in the family Cobitidae.
Protocobitis is a genus of loaches endemic to Guangxi in China and living in caves.
The golden loaches (Sabanejewia) are a genus of ray-finned fish in the family Cobitidae.
Botiidae, the pointface loaches, is a family of cypriniform ray-finned fishes from South, Southeast, and East Asia. Until recently they were placed in the true loach family Cobitidae, until Maurice Kottelat revised the loaches and re-elevated this taxon to family rank in 2012. The family includes about 56 species.
Echeneis is a genus of fish in the family Echeneidae, the remoras. The genus is distributed in the Atlantic, Pacific and Indian Oceans.
Acanthopsoides is a genus of freshwater ray-finned-fishes belonging to the family Cobitidae, the true or spined loaches. These small fishes are found in Asia.
Bibarba is a genus of loach that is found in the Chengjiang River and Hongshuihe River in China.
Koreocobitis is a small genus of loaches endemic to the Korean Peninsula.
Kottelatlimia is a genus of loaches found in Southeast Asia.
Fodiator is a genus of flying fishes. It is the only genus in the subfamily Fodiatorinae.
Argyrocottus is a monospecific genus of marine ray-finned fish belonging to the family Cottidae, the typical sculpins. Its only species is Argyrocottus zanderi which is found in the northwestern Pacific Ocean from Japan to the Kuril Islands and in the Sea of Japan. It is found at depths of from 0 to 85 metres. This species grows to a standard length of 9 centimetres (3.5 in). This taxon was first formally described in 1892 by the Russian zoologist Solomon Herzenstein with its type locality given as Korsakov on Sakhalin in the Sea of Okhotsk. The 5th edition of Fishes of the World classifies the genus Argyrocottus within the subfamily Cottinae of the family Cottidae, however, other authors classify the genus within the subfamily Myoxocephalinae of the family Psychrolutidae. although others place the subfamily Myoxocephalinae within the Cottidae.
Zaniolepis latipinnis, the longspine combfish or longspined greenling, is a species of ray-finned fish belonging to the family Zaniolepididae.The species occurs in the eastern Pacific Ocean.
Lepadichthys frenatus, the bridled clingfish, is a species of clingfish from the family Gobiesocidae. It is found on shallow reefs in the western Pacific Ocean.
Vaillantella euepiptera is a species of freshwater ray-finned fish, a loach, belonging to the family Vaillantellidae, the longfin loaches. This species is found in Southeast Asia.
