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Baleen

Cetaceans are a widely distributed and diverse group of aquatic mammals comprising of whales, dolphins and porpoises. Cetaceans are further grouped into the Odontocetes (toothed whales), and the Mysticetes (baleen whales) based primarily on their feeding habits. Toothed whales have conical teeth and feed largely on fish and marine invertebrates, while baleen whales have bristles […]

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Humpback dolphins: South Africa’s most endangered dolphin

Although shy and somewhat elusive, the Indian Ocean humpback dolphin (Sousa plumbea) is commonly sighted in Plettenberg Bay’s nearshore waters. These dolphins can often be seen swimming along the Keurbooms and Robberg beaches, alone or in small groups of between 2 and 15 individuals. Humpback dolphins can be readily distinguished from other dolphins by the […]

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Knysna Seahorse in dire straits

The Knysna seahorse Hippocampus capensis is an endemic seahorse species to the Western Cape, found in only three estuarine systems: Swartvlei Estuary, Knysna Estuary, and Keurbooms Estuary. Historically this species was also found in Klein Brak, Groot Brak, Goukamma, Groot, Kromme, Kabeljous, and Gamtoos estuaries but they have not been seen in these systems for […]

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White steenbras

The white steenbras Lithognathus lithognathus is a slow-growing, long-lived, late maturing, and estuarine-dependent species endemic to South Africa. White steenbras is an important recreational and subsistence shore and estuarine fishery species, particularly in the southern and south-eastern coastal regions of South Africa. They can attain 25-30 years of age, and grow over 130cm in length […]

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Edible, exploited, endemic alikreukel

The South African marine resources have been exploited for subsistence purposes for thousands of years, but recently with rapid population growth, and a high concentration of people moving into coastal areas, the exploitation has intensified. Many subsistence fisheries are focused on intertidal and estuarine invertebrates, with the alikreukel Turbo sarmaticus being one of these species. […]

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