An Annotated Check List of Ichthyofaunal Diversity of Madduvalasa Reservoir at Srikakulam District, Andhra Pradesh, India

Abstract

The current study identified the presence of 51 fish species, including six exotic species from 12 orders, 18 families, and 28 genera, collected four landing locations from October 2021 to September 2023 in the Madduvalasa reservoir. Order Cypriniformes was dominant with 23 species, which contributed to 45.09% of the total species, followed by Siluriformes 11 (27.77%), Channiformes 3 (7.84%), Anguilliformes, Synbranchiformes and Cichliformes each with 2 (3.92%), Osteoglossiformes, Cyprinodontiformes, Beloiniformes, Gobiiformes, Anabantiformes, and Ovalentaria each with 01 (1.96%). The fish species in the current study, the omnivores have a highest with 50.98%, followed by the carnivorous 25.49%, and the herbivorous 18.36%. The number and percentage composition of population status were represented by 41.17% were common, 33.33% were abundant, rare 17.64%, and moderate 7.84% in the total catch. According to IUCN (2023) status, 41 species contributed to 80.39% are least concern (LC), six species contributed to 11.76% are near threaten (NT).