Freshwater fishes (Osteichthyes, Actinopterygii) in the Riam Kanan River and Reservoir, South Kalimantan, Indonesia

In this study, we conducted an analysis of the freshwater fish population in the Riam Kanan Reservoir, a stagnant freshwater body with a diverse array of freshwater fish species with significant importance for fisheries. Our research revealed that the fish species sampled in the Riam Kanan Reservoir totaled 7,577, encompassing 15 families and 30 distinct species. Overall, our findings underscore the richness and diversity of freshwater fish in the Riam Kanan Reservoir, with the Cyprinidae family being the most dominant. The novelty of our research lies in its contribution to information regarding sources of animal protein and its contribution to ensuring food security. Furthermore, our research emphasizes the adoption of environmentally friendly fishing methods in the Riam Kanan Reservoir, promoting sustainability and ecological preservation.