Branchiostegus japonicus, the Red tilefish or the Horsehead tilefish, is a species of tilefish native to the western Pacific Ocean. It can be found on sandy mud substrates at depths of from 30 to 200 metres (98 to 656 ft). This species grows to a length of 46 centimetres (18 in) TL though most are around 35 centimetres (14 in). The greatest recorded weight for this species is 1.3 kilograms (2.9 lb). It is a commercially important species.