Specifically, they are found in four locations in kerala—kadalundi river and Cheenkannipuzha the Achankovil river, the Chaliyar river . Physical characteristics The fish is characterized by a torpedo-shaped body with silver scales, a red line running from their snout, through the eye, back towards the middle of the body; and below the red line, a black line that runs the length of the fish to the tail. As they mature, a distinctive green/blue marking on top of the head develops. This species reputedly reaches a length of 15 centimetres (5.9 in) TL, but typically will only reach 9–11 centimetres (3.5–4.3 in). They are active schooling fishes
