(Off Cape Point and Durban northwards throughout Indo-Pacific) Striped marlin, Tetrapturus audax (Philippi, 1887) (Primarily Indo-Pacific, but have been caught off Cape Town) Longbill spearfish, Tetrapturus pfluegeri Robins & de Sylva, 1963 (Apparently restricted to the Atlantic Ocean) Family: Scombridae – tunas, mackerels and bonitos Subfamily: Gasterochismatinae Bigscale mackerel, Gasterochisma melampus Richardson, 1845 (Worldwide in southern ocean, mostly between 35° and 50° S, recorded from Table Bay) Subfamily: Scombrinae Wahoo, Acanthocybium solandri (Cuvier, 1831) (Worldwide in tropical and subtropical waters. From South Africa: Algoa Bay, off Durban, and Sodwana Bay. one record west of Cape Point) Slender tuna, Allothunnus fallai Serventy, 1948 (Worldwide between 20° and 50° S. From South Africa: Miller's Point and Rooikrans in False Bay) Bullet tuna, Auxis rochei Risso, 1810 (Cosmopolitan in warm waters. From South Africa: Hout Bay, Mossel Bay and Natal) Frigate tuna, Auxis thazard (Lacepède, 1800) Skipjack tuna, Katsuwonus pelamis (Linnaeus, 1758) (False Bay, Algoa Bay to Delagoa Bay) Mackerel, Scomber japonicus Houttuyn, 1782 (Namibia to Maputo)(Cape to Natal, cosmopolitan in warm waters) Albacore or longfin tunny, Thunnus alalunga (Bonnaterre, 1788) (Off Western Cape, Cosmopolitan between 45°-50°N and 30°-40°S) Yellowfin tuna, Thunnus albacares (Bonnaterre, 1788) (Angola to Natal) Southern bluefin tuna, Thunnus maccoyii (Castelnau, 1872) (Off Cape region in winter, probably throughout southern oceans south of 30°S) Bigeye tuna, Thunnus obesus (Lowe, 1839) (Off Cape region, Worldwide in tropical and subtropical waters) Bluefin tuna, Thunnus thynnus (Linnaeus, 1758) (Agulhas Bank and False Bay) Family: Trichiuridae – frostfishes Buttersnoek, Lepidopus caudatus (Euphrasen, 1788) (Mediterranean, eastern Atlantic from Norway to South Africa, Australia and new Zealand) Cutlass fish, Trichiurus lepturus Linnaeus, 1758 (Cosmopolitan in tropical and temperate waters) Family: Xiphiidae – Swordfishes Swordfish, Xiphias gladius Linnaeus, 1758 (Namibia to Natal) Suborder: Stromateoidei Family: Centrolophidae – Ruffs Black ruff, Centrolophus niger (Gmelin, 1789) (Temperate waters of Australia, New Zealand, South America and South Africa, also North Atlantic and Mediterranean) Antarctic butterfish, Hyperoglypha antarctica (Carmichael, 1818) (Temperate waters; islands of south Atlantic and southern Indian oceans; New Zealand, southern Australia and South Africa) Schedophilus huttoni (Waite, 1910) (Circumglobal in southern ocean, taken off Cape Town, common off Namibia) Black butterfish or peregrine driftfish, Schedophilus velaini (Sauvage, 1879) (Gulf of Guinea, to South Africa)(syn. Hyperoglypha moselii (Cunningham, 1910)) Flabby driftfish, Tubbia tasmanica Whitley, 1943 (Temperate waters of Southern Ocean; New Zealand, Tasmania and South Africa off Natal) Family: Nomeidae – Driftfishes Black fathead, Cubiceps baxteri McCulloch, 1923 (Atlantic,