(Mystus ankutta)
Mystus ankutta (dwarf catfish) is a species of catfish of the family Bagridae that is endemic to Sri Lanka. In the wild it is found in freshwater bodies from Kelani river to Nilwala river in Sri Lanka. It grows to a length of 7.9 cm. This fish is classified as endangered by the IUCN. It is widely used as an aquarium fish within the country.