This species was considered synonymous with the Indochinese congener C. micropeltes for over a century before being revalidated in 2011.

Like in C. micropeltes colour pattern varies depending on the age of the fish.

Juveniles possess two longitudinal black stripes on the head and body with the are…

This species is traded under several names including ‘royal danio’, ‘blue-spotted hill trout’, and ‘blue-dotted mirror fish’.

It can be distinguished from congeners by possessing a single row of bluish-green spots along the length of the body, white margins on the dorsal and anal fins, 37-38+1 lateral line scales, and fleshy rudi…

‘N.‘ anguilla can be told apart from other Indian members of the genus by possessing dark flank markings which are partially or completely merged to form a lateral stripe, and an almost-complete lateral line extending to the anal-fin.

Kottelat (2012) states that its generic placement requires additional study hence the genus name i…