Native and Non-Native Fish Diversity and Density of Southern Western Ghats of India

A systematic, updated checklist of freshwater fish species of the various freshwater sites in the southern Western Ghats of Tamil Nadu, India is provided with notes on occurrence, status and ecology of endemic and threatened species. Invasive species enter in the ecosystem by human activity. The freshwater fish determined the water quality. The checklist incorporates information from a review of taxonomic, exploratory and ecological literature concerning the area. A total of 20 fish species have been reported from the landscape. The diversity of Dominant species is Oreochromis mossambica this species evaluate the many number have been detected in the study area. Other fishes Puntis filamentosus was second place of the fish diversity. Normally one or two species detected the other species.