Slender rasbora
Introduction 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  in length.
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