Rasboroides

Perlmuttbärbling ( Rasboroides vaterifloris )

Rasboroides is a genus of danios ( Danioninae ). The freshwater fish live in shaded rainforest streams and rivers between Kalu and Walawe in the southwest of Sri Lanka.

Features

Rasboroides species reach body lengths from 2.5 to 4 cm and have a moderately high-backed, laterally flattened body, which can reach a height from 26.9 to 33 % of standard length. From the genus Rasbora, was first added to the Rasboroides as a subgenus, the fish are distinguished by their incomplete lateral line, the hochrückigeren body, eye diameter which is larger than the viewing distance, and by an irregular arrangement of scales. From her sister genus Horadandia that occurs in the waters of the coastal plains in the west of Sri Lanka and southern India, is Rasboroides of pharyngeal teeth ( two differs by a Tuberkelreihe at the leading edge of the pectoral fins in males ( absent in Horadandia ) upon and by three rows Horadandia ).

• Dandruff formula: QR ½ 6 ½ - ½ 8 ½, SL 20-28.

Species

• Rasboroides nigromarginatus ( Meinken, 1957)
• Rasboroides pallidus Deraniyagala, 1958
• Rasboroides rohani Batuwita, Silva & Edirisinghe, 2013
• Perlmuttbärbling ( Rasboroides vaterifloris ( Deraniyagala, 1930) )