Conservation and Population Status of Freshwater Fishes from Kelekar River, South Sumatra, Indonesia

Abstract

This study assessed the conservation and population status of the fish species collected from the Kelekar river. This study was conducted between May 2022 and June 2023. A total of 1.267 fish belonging to 49 species and 19 families were recorded. Cyprinidae was found to be the richest family (18 species) followed by Osphronemidae (5 species), Channidae (4 species), Siluridae (3 species), Bagridae, Claridae, Pangasidae, Pristolepidae (2 species), and others (1 species). The Shannon-Weiner diversity index was 3.547. The Simpson’s dominance index was 0.035, and the Evenness index was 0.921. The biodiversity index of the Kelekar river was in the high category. Base on the latest IUCN red list, one species as data deficient, forty-three species as least concern, two species as near threatened, two species as vulnerable, and one species as critically endangered. The IUCN based population status of fish species present in the Kelekar River was unknown (35%), stable (47%), and decreasing (18%).