Diagnostic Description
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Schistura madhavai differs from all its congeners from peninsular India and Sri Lanka by the combination of the following characters: 8-9 wide post-dorsal bars separated by narrow, white interspaces ¼-? the width of the bars; black bar at the base of the caudal fin arched, its posterior margin vaguely indented at bases of branched caudal-fin rays 3 and 14, wider than the interspaces on the body; 8+8 branched rays on emarginate caudal fin; incomplete lateral line ending beneath the dorsal-fin base; axillary pelvic lobe absent; adpressed pelvic fin just reaching the anus; 7½ branched rays on dorsal fin; pelvic-fin origin on a vertical through the last unbranched dorsal fin ray; and suborbital flap in males absent (Ref. 116162).
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Morphology
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Dorsal soft rays (total): 11; Analsoft rays: 8
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Biology
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Inhabits a small stream about 2 m wide, flowing through sparsely-inhabited tea plantations, at anelevation of about 1000 m above sea level and with substrate consisting of pebbles and gravel. Prefers the faster-flowing areas of the stream. Occurs syntopically with the cyprinids Devariomalabaricus (Jerdon), Puntius titteya (Deraniyagala), Pethia nigrofasciata (Günther), Rasbora dandia (Valenciennes), Rasboroides rohani (Batuwita, Silva & Edirisinghe), and the osphronemid Belontia signata (Günther). The introduced guppy Poecilia reticulata Peters was also recorded from this stream (Ref. 116162).
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Schistura madhavai
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fornecido por wikipedia EN
Schistura madhavai, is a species of ray-finned fish in the genus Schistura, newly distributed from Sri Lanka. It is the second species of Schistura stone loach described from Sri Lanka, the other being the widely distributed native species Schistura notostigma.
Etymology
The specific name madhavai is named in honor of Prof. Madhava Meegaskumbura, who is a renowned taxonomist of Sri Lanka, and mentor of the researcher Hiranya Sudasinghe, who described the species.[1]
Description
S. madhavai can be identified by the presence of 8 to 9 wide brown post-dorsal bars, black bar at caudal fin, incomplete lateral line, pelvic fin, which is adpressed marginally reach the anal fin and axillary pelvic lobe is absent.[2]
Ecology
The species was discovered in a stream in Suriyakanda from a two meter wide area. The stream the S. madhavi was discovered in flows through a tea plantation in hill country at 1,000, above sea level. It is the fifth species of loach found in Sri Lanka, including the Sri Lanka banded mountain loach S. notostigma and a third stone loach, the tiger loach Paracanthocobitis urophthalma . The other two Sri Lankan loaches are members of the family Cobitidae, the true loaches.[1]
References
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Schistura madhavai: Brief Summary
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Inglês
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fornecido por wikipedia EN
Schistura madhavai, is a species of ray-finned fish in the genus Schistura, newly distributed from Sri Lanka. It is the second species of Schistura stone loach described from Sri Lanka, the other being the widely distributed native species Schistura notostigma.
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