Slender rasbora

The black-line rasbora or slender rasbora (Rasbora daniconius) (called darka at Rangpur), is a species of ray-finned fish in the genus cyprinid family. It is found in rivers of South and Southeast Asia, ranging from Sri Lanka and the Indus basin to northern the Malay Peninsula and the Mekong.

Slender rasbora
Least Concern (IUCN 3.1)
Kingdom:Animalia
Phylum:Chordata
Class:Actinopterygii
Order:Cypriniformes
Family:Danionidae
Subfamily:Rasborinae
Genus:Rasbora
Species:R. daniconius
Rasbora daniconius(F. Hamilton, 1822)
Cyprinus daniconius Hamilton, 1822
Leuciscus daniconius (Hamilton, 1822)
Opsarius daniconius (Hamilton, 1822)
Parluciosoma daniconius (Hamilton, 1822)
Cyprinus anjana Hamilton, 1822
Leuciscus anjana (Hamilton, 1822)
Opsarius anjana (Hamilton, 1822)
Leuciscus lateralis McClelland, 1839
Leuciscus malabaricus Jerdon, 1849
Rasbora malabarica (Jerdon, 1849)
Leuciscus flavus Jerdon, 1849
Leuciscus xanthogramme Jerdon, 1849
Rasbora woolaree Day, 1867
Rasbora neilgherriensis Day, 1867
Rasbora zanzibarensis Günther, 1867
Rasbora palustris Smith, 1945

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The black-line rasbora or slender rasbora (Rasbora daniconius) (called darka at Rangpur), is a species of ray-finned fish in the genus cyprinid family. It is found in rivers of South and Southeast Asia, ranging from Sri Lanka and the Indus basin to northern the Malay Peninsula and the Mekong.

The body is oblong and compressed. The greatest width of the head equals its post-orbital length. It reaches 15 cm (5.9 in) in length.

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