The lateral-line is simple and runs from the upper end of the gill slit to the middle of the rear margin of the caudal fin, the lateral line contains 66-71 pored scales.

The rear edge of the caudal fin is yellow and the rest of the tail is greyish black.

It countries it has been recorded from include Pakistan, India, Sri Lanka, Bangladesh, Myanmar, Thailand, Cambodia, Vietnam, Indonesia and the Philippines.

In India it is found in the basins of the Brahmaputra and the Ganges and in Indonesia it has only been recorded from Sumatra,[1] although these needs confirmation.

It is thought that paradise threadfins in the Hooghly River spawn from April to September and females sampled during October are almost all spent.