The black marlin (Istiompax indica) is a species of marlin found in tropical and subtropical areas of the Indian and Pacific Oceans. With a maximum published length of 4.65 m (15.3 ft) and weight of 750 kg (1,650 lb)., it is one of the largest marlins and also one of the largest bony fish. This marlin is one of the fastest fish, with speeds of up to 129 km/h (80 mph) as estimated from the speed that hooked marlins are able to unwind fishing line. Black marlin are fished commercially and are also a highly prized game fish.