Monotaxis grandoculis, the humpnose big-eye bream, bigeye barenose, bigeye bream, or bigeye emperor, is a species of emperor fish native to the Indian Ocean and the West and Central Pacific Ocean to the Hawaiian Islands. It inhabits areas with sand or rubble substrates adjacent to coral reefs at depths of from 1 to 100 metres , mostly between 5 and 30 metres . This species can reach a length of 60 centimetres TL though most do not exceed 40 centimetres . It has been recorded to reach a weight of 6.71 kilograms . This species is commercially important as a food fish and is also popular as a game fish. It can also be found in the aquarium trade.