Channa gachua, the dwarf snakehead, is a species of fish in the family Channidae. The name "dwarf snakehead" is also used for several other species of small snakeheads. C. gachua is native to freshwater habitats in southern Asia, where it has a wide distribution from Iran to Indonesia. This fish is considered to be a species complex, a group of several closely related taxa with one name. It is likely at least three to four different species, and further research may differentiate them. A few species such as Channa harcourtbutleri have been separated from the complex in recent decades. The easternmost population of C. gachua is often recognized as a separate species C. limbata, while the isolated Sri Lankan population often is recognized as C. kelaartii.
Wallago attu is a freshwater catfish of the family Siluridae, native to South and Southeast Asia. It is commonly known as helicopter catfish or wallago catfish. Some regional designations, such as the Manipuri Sareng, the Bengal Boal, the Sylheti Gual or the Malaysian and Indonesian Tapah are also occasionally used in English. W. attu is found in large rivers and lakes in two geographically disconnected regions, with one population living over much of the Indian Subcontinent and the other in parts of Southeast Asia. The species can reach a total length of 1 m.
Mystus is a genus of fish in the family Bagridae native to Asia. Phylogenetic relationships within this genus are poorly understood, though it has been suggested that there are two major lineages.
Oreoglanis siamensis, the Siamese bat catfish, is a species of sisorid catfish in the Sisoridae endemic to Thailand where it is found in the Chao Phraya and Mekong River basins. This species grows to a length of 14.0 centimetres (5.5 in) SL. It lives only in streams of 1,200 meters above sea level.
The African butter catfish is a species of fish in the family Schilbeidae. It is native to many major river systems in Africa. Other common names for the fish include butter fish, butter barbel, African glass catfish, lubangu, mystus catfish, silver barbel, and silver catfish. It was originally described as Silurus mystus by Carl Linnaeus in 1758.
The Ceylon snakehead is a species of snakehead found in freshwater habitats, typically shaded streams, in southwestern Sri Lanka.
The Asian stinging catfish or fossil cat, Heteropneustes fossilis, is a species of airsac catfish found in India, Bangladesh, Pakistan, Nepal, Sri Lanka, Thailand, Myanmar, and Bhutan. In India in the state of Kerala it is locally called as kadu (Malayalam:കടു) or "karri" (Malayalam:കാരി). It is highly preferred in Assam and locally known as singhi. In Bangladesh this fish is called Singi Mach, In Sri Lanka, this fish is called hunga (හුංඟා) by the Sinhala-speaking community.
Bagarius yarrelli, also known as the giant devil catfish or goonch, is a very large species of catfish in the genus Bagarius found in rivers in the Indian subcontinent. It is likely synonymous with B. bagarius.
Garra ceylonensis is a species of ray-finned fish in the cyprinid family. It is endemic to rivers and streams in Sri Lanka - and is considered as a schooling fish. It is a rheophilic species and occurs in slow to moderately flowing rivers and streams, and ascends small, rocky streams in order to breed. It primarily feeds on algae such as diatoms.
Mystus cavasius, the Gangetic mystus, is a species of catfish of the family Bagridae.
Mystus gulio, the Long Whiskers Catfish, is a species of catfish of the family Bagridae. The generic name is probably derived from the Latin "mystax", meaning "moustache", due to the long barbels.
Mystus keletius, is a species of catfish of the family Bagridae. It is native to India and Sri Lanka.
Mystus vittatus, the striped dwarf catfish, is a species of catfish of the family Bagridae. It is found in brackish water systems with marginal vegetation in lakes and swamps with a mud substrate of Asian countries Pakistan, India, Sri Lanka, Nepal, Bangladesh and probably Myanmar. Populations of Southeast Asian countries is in debate, due to close morphological similarities among Mystus species in that region.
Clarias brachysoma is a species of fish in the family Clariidae. It is endemic to Sri Lanka. Its natural habitats are rain forest streams and lowland rivers. It is threatened by habitat loss.
Ophisternon bengalense the Bengal eel, Bengal mudeel or onegill eel, is a species of fish in the family Synbranchidae. It is endemic to freshwater and brackish water rivers and swamps in the Oceania and South Asia. It is normally 100 cm in maximum length.
Mystus falcarius is a species of catfish endemic to India and Myanmar and is known only from Irrawaddy River, Great Tenasserim River and Chindwin River. The exact population is not known but is thought to be abundant and no exact threats are known thus Least Concern by the IUCN; it is fished for food.
Mystus bocourti is a species of catfish endemic to Cambodia, Laos, Thailand and Vietnam, known only from Chao Phraya River and Mekong River. It was formerly listed as Heterobagrus bocourti until the genus Heterobagrus became Mystus. It is demersal and potamodromus and occurs in medium to large rivers. The fish considered rare and declining throughout its range and is threatened by pollution, present and future dams and water extraction for agriculture and human settlements. Considering this and no present conservation measures, the fish is listed as Vulnerable.
Mystus albolineatus is a species of catfish endemic to Cambodia, Thailand and Vietnam, known from Chao Phraya River, Bang Pakong River, Mekong River and Tonlé Sap. It is found in flowing and standing waters especially near submerged woody vegetation; it feeds on zooplankton, fishes and insect larvae such as chironomidae. It spawns before or during the rainy season and the young were first caught in July and August. It occurs in both the market and aquarium trade and is fished with seines, gillnets and traps. It is not considered threatened thus listed Least Concern, however, further research about this fish is needed.
Mystus atrifasciatus is a species of catfish endemic to Cambodia, Laos, Thailand and Vietnam, known from Mekong River, Chao Phraya River and Mae Klong River and was described from Phitsanulok, Thailand. It inhabits rivers, streams and reservoirs and moves to floodplains when the water level increases and can also be found near submerged woody vegetation. It feeds on crustaceans and zooplankton along with some algae and fish scales. It is commonly fished and marketed and is also found in the aquarium trade. It may be threatened by pollution and overfishing and more research is needed about the species.
Ompok argestes, is a species of sheatfishes endemic to Sri Lanka.
