An Annotated Checklist of Fish Faunal Diversity of Sathiyamoorthy Sagar Reservoir, Tamil Nadu, India

Sathiyamoorthy Sagar Reservoir, also known as Poondi Reservoir, is the reservoir built across the Kotralai River near Poondi, a small village in Tiruvallur district of Tamil Nadu State. An intensive survey was conducted on the fish faunal diversity of the reservoir for a period of 12 months from January 2022 to December 2022 and documented a total of 51 species including 49 species of finfish and 2 species of shellfish. In the finfish group, the order Cypriniformes was observed to have the highest contribution to the diversity (39.2% with 20 species) followed by Siluriformes (15.6% with 8 species). Macrobrachium malcomsonii and Macrobrachium rosenbergii are the two prawn species reported from the Sathiyamoorthy Sagar Reservoir.