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Marine aquaculture is a fast developing sector, with a focus on mussels, oysters, abalone, seaweeds, and prawns. Of these, mussel farming is the best established. Abalone culture is now well established, centred in the Hermanus area on the Cape south coast. There is also an experimental offshore farm (cage culture) off Gansbaai for salmon." [1]
Spotted legskate, Anacanthobatis marmorata von Bonde and Swart, 1923 (Durban to southern Mozambique) [2][11] Family Arhynchobatidae. Bathyraja smithii (Müller & Henle, 1841) (Agulhas bank and west of Cape Town) [2] Family Gurgesiellidae. Cruriraja durbanensis (von Bonde and Swart, 1923) (off Western Cape province) [2]
South African research shows that individuals occupy a territory ranging of 1,000–3,000 square metres (11,000–32,000 sq ft), and that the extent is independent of fish size or habitat quality. These small home ranges suggest that dispersal of the species is mainly by planktonic larvae.
Pagrus nigripinnis Boulenger, 1903[ 4 ] The black musselcracker (Cymatoceps nasutus) is a species of marine ray-finned fish belonging to the family Sparidae, which includes the seabreams and porgies. This species is the only species in the monospecific genus Cymatoceps. It is endemic to South Africa.
The species has a wide salinity tolerance, as evident from the ranges from which juvenile and subadult fish in South African estuaries have been recorded; 0.5 to 38 parts per thousand (ppt), [35] with other studies also showing tolerance levels of less than 1 ppt. [28] In these estuaries, the giant trevally is known from both highly turbid ...
Photo of the official South African Largemouth yellowfish open record of 22.2 Kg, that was caught in Vaaldam during an angling club competition. The largemouth yellowfish or Vaal-Orange largemouth yellowfish (Labeobarbus kimberleyensis) is a ray-finned fish species in the family Cyprinidae. This large freshwater barb is found in southern Africa.
Argyrosomus japonicus is a silvery to bronze-green colored fish, a member of the family Sciaenidae, which may grow up to 2 m (6 ft 7 in) in length. [2] [3] It is known as Dusky Kob, dusky salmon, salmon, Kob and kabeljou' in South Africa, Japanese meagre (), [2] mulloway or jewfish in the eastern states of Australia, mulloway in South Australia, [4] kingfish or river kingfish in Western ...
In 2005, the movements of the species were extensively studied. Some 25,000 galjoen were tagged at four sites in reserves in South Africa and their overall movement was found to remain localised, with some 95% of fish studied seeming to frequent a particular area.