Thumbnail Image

Synopsis of biological data on bluefin tuna Thunnus thynnus orientalis (Temminck and Schlegel) 1842, Longfin tuna Thunnus alalunga (Bonnaterre) 1788, YELLOWFIN TUNA Thunnus albacares (Bonnaterre) 1788 and BIGEYE TUNA Thunnus obesus (Lowe) 1839 (SOUTH AFR