In a recent discovery, a new fish species named ‘Badis Limaakumi’ was found in Nagaland’s Malak River. Locally known by several names, including “Tepdang” and “Sempi,” this species displays a remarkable color change when placed in different environments. ‘Badis Limaakumi’ features a large and slender body, lacks blotches on its sides and fins, and possesses a significant number of lateral-line scales. It belongs to the Badis genus, often called Chameleon fish for their ability to rapidly change colors during breeding, camouflage, or stress. These fish are primarily found in freshwater bodies across northern India, Pakistan, Bangladesh, Bhutan, and Nepal, with around 25 recognized species, 15 of which are in India.
Facts/Terms for UPSC Prelims
- Badis Limaakumi: A newly discovered fish species in Nagaland’s Malak River, known for its color-changing ability and unique features.
- Badis Genus: A genus of small freshwater fish belonging to the Badidae family, renowned for their rapid color changes during various life events.
- Chameleon Fish: A colloquial term for Badis species due to their ability to change colors rapidly, which serves purposes like breeding display and camouflage.
- Lateral-line Scales: Scales along the sides of the fish that are sensitive to water movement and pressure changes, aiding in navigation and detecting prey or predators.
- Freshwater Invertebrates: Tiny aquatic animals without a backbone, forming a significant part of the diet for predatory fish like Badis species.
