The Chao Phraya is the major river in Thailand, with its low alluvial plain forming the centre of the country. It flows through Bangkok and then into the Gulf of Thailand.
Schistura oedipus is a species of troglobitic stone loach endemic to caves in the Pang Mapha karst formation in Mae Hongson Province in Thailand. It is only found in very fast flowing cave streams where it feeds on micro-organism and organic matter. This species is highly sensitive to disturbance, changes in water quality and hydrography. The specific name oedipus refers to the mythical Ancient Greek king of Thebes, Oedipus who tore out his own eyes, this species has degenerate eyes.
Schistura bucculenta is a species of ray-finned fish in the stone loach genus Schistura. It has been recorded from the Mekong basin in Laos and Thailand, records elsewhere being due to misidentification. It has been recorded in streams and forest creeks which have a moderate to fast current running over a gravel to stone substrate. It is threatened by deforestation and agriculture.
Schistura desmotes is a species of ray-finned fish in the stone loach genus Schistura. It is found in Ratchaburi Province of Thailand where it inhabits streams with a moderate current and a gravel or stone substrate. The specific name desmotes mean "prisoner" and refers to the 7–9 broad dark-brown transverse bands on the fish's body, which reminded Fowler of a striped prisoner's uniform.
Schistura geisleri is a species of ray-finned fish in the genus Schistura, the most speciose of the genera within the stone loach family, Nemacheilidae. Its known range is in the upper parts of the Chao Praya in Thailand but it has also been reported from the Tapi River in Peninsular Thailand, as it has not been recorded from the darainages between these two systems the taxonomic status of the Tapi population may need to be reassessed. Its habitat is slow flowing streams with depths no greater than 30 cm during the dry season and in shallow riffles with a substrate consisting of pebbles which are up to 5 cm in diameter, with a moderate current and clear water. The specific name honours the German aquarist Rolf Geisler (1925-2012), in thanks for his "valuable help".
Schistura isostigma is a species of ray-finned fish in the stone loach genus Schistura. It occurs in streams with in moderate to fast currents, with sand and gravel beds in the Mekong basin in Laos, it should also occur in Cambodia and Thailand.
Schistura kohchangensis is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in moderately to fast flowing streams with gravel to stone substrates in eastern Thailand and Cambodia.
Schistura maepaiensis is a species of ray-finned fish, a stone loach in the genus Schistura. It has been recorded from the Salween basin in Mae Hong Son and Tak Provinces in north western Thailand and may also occur in Myanamar. Its habitat is riffles in streams with a gravel or stone bed and a moderate to fast current. It is occasionally found in the aquarium trade and its populations may be affected by any human activities which interrupt fast flowing water, such as logging or agriculture.
Schistura magnifluvis is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the middle Mekong basin in Thailand and Laos, from the Nam Heung basin to the Xe Don system, it probably occurs in Cambodia too. It is found in streams and rivers, including the nmain channel of the Mekong, in stretches of moderate to fast current over a variety of substrates from mud to stone.
Schistura menanensis is a species of ray-finned fish, a stone loach in the genus Schistura. It has only been recorded in the Mae Nam Nan drainage, a branch of the Chao Phraya in Thailand where it has been observed in streams with moderate to fast currents, in riffles, with gravel to stone beds. The specific name menanensis refers to the type locality of this species on the Mae Nam Nam.
Schistura moeiensis is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the Mae Nam Noi drainage system, a tributary of the Salween, the Mae Nam Noi forms the border between Thailand and Myanmar. It has been recorded from streams which have a moderate to fast current, in riffles, over beds consisting of gravel to stone.
Schistura nicholsi is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the Mekong basin of north eastern Thailand, Laos and it is also likely to be found in Cambodia. It occurs in shallow riffles with moderate to fast flows. Human modification of the rivers' morphology through such activities as logging and agriculture are affecting this species range. However, its distribution covers a wide geographic range and it is assessed as Least Concern by the IUCN. The specific name honors John Treadwell Nichols (1883-1958) who was curator of fishes at the American Museum of Natural History and who made an important contribution to the ichthyology of China, and especially to the knowledge of loaches.
Schistura nomi is a species of ray-finned fish, a stone loach, in the genus Schistura. This species is found in streams which have a moderate to fast current, in riffles, where the bed consists of gravel to stone in the Kong River in Laos. The specific name honours a Mr Nom who was the describer, Maurice Kottelat's, driver in Laos.
Schistura paucicincta is a species of ray-finned fish, a stone loach, in the genus Schistura. It is only known from the Mae Nam Noi drainage, a tributary of the Salween River which forms the border between Thailand and Myanmar. This species inhabits streams with a moderate to fast current, in riffles, over beds varying from gravel to stone but it has also been recorded in small forest streams in very shallow water.
Schistura pervagata is a species of ray-finned fish, a stone loach, in the genus Schistura. The species occurs in Laos and Vietnam in streams with moderately fast to fast currents among riffles where there are substrates which vary from gravel to stone.
Schistura pridii is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the upper Chao Phraya basin, in streams in the Doi Chiang Dao Wildlife Sanctuary, Chiang Mai Province in Thailand. Here it inhabits torrents, with rocky gravel and pebble substrates in which it often hides.
Schistura sexcauda is a species of ray-finned fish, a stone loach, in the genus Schistura. It is found in the basin of the Chao Phraya River in central Thailand where it has been recorded in streams with a moderate to fast current and in riffles, over substrates consisting of gravel to stone. It is known to be raised in local subsistence fisheries and traded both nationally and internationally as an ornamental fish.
Schistura similis is a species of ray-finned fish, a stone age, in the genus Schistura. It occurs in the Mae Nam Noi drainage, a tributary of the Salween which forms the border between Thailand and Myanmar. The species has only been recorded in Thailand but most likely occurs in Myanmar too. It has been recorded in streams with a moderate to fast current, in riffles, over substrates consisting of gravel to stone.
Schistura waltoni is a species of ray-finned fish, a stone loach, in the genus Schistura. It is a species of in streams which have a moderate to fast current where it can be found in riffles, over gravel to rock beds. It is often recorded in small streams in forest, even where the water is very shallow. It occurs in the upper reaches the Chao Phraya watershed in Thailand in the rivers Mae Nam Ping, Mae Nam Wang and Mae Nam Yom. The specific name honours Joseph Walton a 19th Century contributor to the fish collection at the Academy of Natural Sciences of Philadelphia.
Leptobarbus rubripinna, also known as the Sultan barb, is a species of freshwater ray-finned fish from the carp and minnow family, Cyprinidae which occurs in south-east Asia.
