The ichthyofauna of Lebak Petai Kecil, Ogan Komering Ilir Regency, South Sumatra, Indonesia

Abstract

This study aims to analyze the ichthyofauna of Lebak Petai Kecil, Ogan Komering Ilir, Indonesia. The sampling were done at three stations on March to May 2022, used purposive sampling method. A total of 532 fish belonging to 15 species, 13 genera, and 10 families were collected. The highest relative abundance was Helostoma temminckii and the lowest was Hemibagrus nemurus. The Shannon-Weiner diversity index was 2.40; 2.31; and 2.33 for station 1, 2, and 3, respectively. The Evenness index was 0.88; 0.87; and 0.91 for station 1, 2, and 3, respectively. The Simpson’s dominance index was 0.10; 0.12; and 0.11 for station 1, 2, and 3, respectively. The biodiversity index of the Lebak Petai Kecil was in the medium category.