Clarias nigricans is a species of clariid catfish. It is only known from the Mahakam River in eastern Borneo. The eel-like catfish of this region were long assumed to belong to the widespread species Clarias nieuhofii but examination of 6 specimens purchased from a fish market in Samarinda in 1999 and preserved specimens from the same location revealed consistent and distinctive differences indicating a separate species.
Steindachneridion is a genus of South American pimelodid catfish.
Allauad's catfish is a species of fish in the family Clariidae, the airbreathing catfishes. It is native to the lakes and rivers of East Africa.
Werner's catfish is a species of airbreathing catfish. It is found in Burundi and Tanzania. Its natural habitats are rivers and freshwater lakes. It is threatened by habitat loss. This species reaches a length of 23.0 cm SL.
The ornate paradisefish or spotted gourami, is a species of gourami endemic to Sri Lanka. It is the only recognized species in its genus.
Clarias anguillaris is a species of African airbreathing catfish also known as the mudfish. This species is of minor importance in commercial fisheries. It grows to a length of 100 cm TL.
The scarlet-banded barb is a species of ray-finned fish in the genus Puntius. It is found in streams in India and Sri Lanka. It can reach a length of 20 cm (7.9 in).
Ehirava fluviatilis, or the Malabar sprat, is a species of fish endemic to the rivers and coastal lagoons and estuaries of southern India and Sri Lanka. It is the only recognized species in the genus Ehirava. It grows to 5 cm (2.0 in) standard length.
The horadandia, green carplet, or glowlight carplet, is a species of very small cyprinid fish that is found in slow-moving or still fresh and brackish water habitats in western Sri Lanka. Earlier thought to be a monotypic genus with the single species found in both Sri Lanka and India, an analysis published in 2013 showed that the Indian population should be recognized as a separate species, Horadandia brittani.
The greenback guavina is a species of fish in the family Eleotridae that inhabits fresh, marine, and brackish waters in estuaries and mangrove swamps from Sri Lanka to Micronesia and Australia. This species grows to a length of 34 cm (13 in), though most do not exceed 15 cm (5.9 in). This species is the only known member of its genus.
Rasboroides pallidus is a species of freshwater cyprinid fish endemic to southwestern Sri Lanka. It is only known from shallow, slow-flowing streams in the basins of the Kalu River, Bentara River, Gin River, Polathu-Modera River and Nilwala River. It has been introduced to the Mahaweli and Walawe River basins, and is overall less threatened than the related R. vaterifloris.
Mystus cavasius, the Gangetic mystus, is a species of catfish of the family Bagridae.
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.
Mystus ankutta, also known as the Sri Lanka dwarf catfish or yellow dwarf catfish, is a species of catfish of the family Bagridae that is endemic to Sri Lanka. In the wild it is found in freshwater bodies from Kelani river to Nilwala river in Sri Lanka.
Aplocheilus parvus, the dwarf panchax, is a species of killifish native to India and Sri Lanka. This species grows to a length of 6.3 cm (2.5 in). Its natural habitats are sheltered fresh and brackish water tanks, small streams and rivulets overgrown with vegetation. They are rarely use as an aquarium fish. It is often misidentified as Aplocheilus panchax or as Aplocheilus blockii.
Channa punctata, the spotted snakehead, is a species of snakehead. It is found in the Indian Subcontinent and nearby areas, ranging across Afghanistan, Pakistan, India, Sri Lanka, Nepal, Bangladesh, Myanmar and Tibet. Its natural habitats are swamps, ponds and brackish water systems. It is a fish of high food value and has little value as aquarium fish.
The short-tailed pipefish is a species of fish in the family Syngnathidae. It is found in fresh and brackish waters from Sri Lanka and India east to southern Japan and the Society Islands. It inhabits places with little or no current in rivers, streams and estuaries.
Laubuka lankensis, also known as the Sri Lanka blue laubuca, is a cyprinid fish species endemic to Sri Lanka. It is a freshwater species widely distributed throughout the lowland dry zone of the island. It grows to 5.8 cm (2.3 in) standard length.
Laubuka varuna is a cyprinid fish species in the family Cyprinidae. It is endemic to Sri Lanka.
