Freshwater fish diversity in Lakhnapur tank at Parigi mandal, Vikarabad district, was observed from February 2021 to January 2022. The study stated that the occurrence of thirtythree fish species belonging to nine orders, 13 families, and 23 genera, including three exotic species. In the recorded 13families, Cypiniformies contributed 30.77% of species, followed by Siluriformes (15.38%), Osteoglossiformes, Cyprinodontiformes, Channiformes, Gobiiformes, Synbranchiformes, Cichliformes, and Perciformes, each with 2.94%. The generic composition of fishes belonging to different families shows that Cyprinidae and Danionidae contributed to 21.73%, Cichlidae and Ambassidae contributed to 8.69%, Notopteridae, Cobitidae, Xenocyprididae, Aplocheilidae, Bagridae, Siluridae, Channidae, Mastacembelidae, Cichlidae and Ambassidae contributed to 4.34%. The IUCN classifies 87.87% of species as least concern (LC), 6.06% as vulnerable (VU), and 3.03% as near threatened (NT) or not evaluated (NE).
