Travancoria elongata, which is also known as Periyar loach, (à ´®à ´²à ´¯à ´¾à ´³à ´Â: à ´¨à µÂà ´Âà µÂà ´ à ´Âà µ½à ´¨à ´Âà µÂà ´Âà ´¿) is an endangered species of freshwater fish only found in Chalakudy River and Periyar River, from the family of Balitoridae (River loaches). These fishes grows up to long. Large-scale capture of these species from rivers in order to export them to the international market as ornamental fish has become a threat to this species. Included in the Red Data Book, they are on the verge of extinction.