red-tailed black shark (epalzeorhynchos bicolor)

actinopterygii animal animals aquarium asia asian bangkok bicolor bicolour black chao critically cyprinidae cypriniformes endangered endemic epalzeorhynchos exotic fauna fish fishes fresh freshwater indochina labeo life natural nature one phraya red redtail river shark sharkminnow southeast swim swimming tailed thailand tropic tropical underwater water waters wild wildlife zoo