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The entire family of Bedotiidae is endemic to Madagascar. [1] Bedotiins occur exclusively in freshwater environments and are distributed in small to medium-sized forested rivers and streams, occasionally in swamps and marshes, spanning nearly the entire eastern slope of Madagascar (R. derhami is recorded from a westward draining Sofia River basin in the northeast of the island).
Bedotia longianalis is a species of Madagascar rainbowfish endemic to Madagascar. [2] Its natural habitat is the lower reaches of rivers and its range extends from the Ifontsy to the Anove rivers and it is also found on Île Sainte-Marie, in north-eastern Madagascar. [1]
A 2004 study supported three major, more or less geographically distinct, clades of Bedotia, one comprising species with distributions ranging from mid- to southeastern Madagascar (B. madagascariensis, B. geayi, and B. tricolor, plus four undescribed species), another including species restricted to eastern drainages north of the Masoala ...
Bedotia albomarginata is a species of Madagascar rainbowfish from the Mananara and Reinana river basins in Madagascar. [2] It is threatened by habitat loss. [1] This species was described by John Sparks and Leila Rush in 2005 from types collected near the towns of Vondrozo and Vevembe from the Sahapindra River, which is a tributary of the Mananara River, in Fianarantsoa Province.
Bedotia alveyi, the Makira rainbowfish, is a species of Madagascar rainbowfish from rivers and streams in the Makira region of Madagascar where it occurs in the tributaries of the Antainambalana and Vohimaro rivers. [2]
Rheocles is a genus of Madagascar rainbowfish. Rheocles has a restricted distribution, being found only in certain forested freshwater habitats in the central and eastern highlands of Madagascar including the Nosivolo River. [1] The genus appears to feed almost exclusively on allochthonous material, primarily insects falling onto the water ...
Bedotia tricolor is a species of Madagascar rainbowfish endemic to Madagascar. Its natural habitat is rivers. [2] It is threatened by habitat loss. [1] This species was described by Jacques Pellegrin in 1932 with the type locality given as a tributary of the Faraony River in the area of Manakara. [3]
Rheocles sikorae is a species of rainbowfish in the subfamily Bedotiinae, the Madagascar rainbowfishes. It is endemic to Madagascar where found in tropical rivers and streams. [ 1 ] [ 2 ] It can reach the maximum recorded length of 11.5 cm (4.5 in).