DNA barcoding of freshwater fish from different drainage systems of Telangana in Southern India
DOI:
https://doi.org/10.26515/rzsi/v122/i4/2022/166360Keywords:
Deccan Peninsula, Genetic Diversity, Ichthyofauna, Morphology, Molecular MarkerAbstract
t The diversity of freshwater fish in the state of Telangana is currently recorded as 143 species under 34 families and 14 orders. The current study principally deals with the identification of fish fauna based on morphology and the generation of DNA barcode data. DNA sequence data on a partial segment of the mitochondrial cytochrome oxidase C subunit I (mtCOI) gene were generated from freshwater fishes sampled from various localities within the state of Telangana. The study identified 57 species under 41 genera, 24 families, and 11 orders. Morphological identification was concordant with the molecular basis of taxon assignment, where 57 OTU (Operational Taxonomic Units) correspond to 57 species, and no BIN discordance was found in the dataset. The present phylogenetic tree discriminates all the studied species based on the partial mtCOI gene. The study contributed DNA sequence data for many of the important species for the first time to the global database