Family Dendrodorididae Blue-speckled nudibranch, Dendrodoris caesia (Bergh, 1907) (Cape Point to Port Elizabeth) Tan dorid Doriopsilla capensis (Bergh, 1907) (Atlantic coast Cape Peninsula) Scribbled nudibranch, Doriopsilla miniata (Alder and Hancock, 1864) (Atlantic coast Cape Peninsula to Sodwana Bay, also Mediterranean, India, Australia and Japan) Family Mandeliidae Mandela's nudibranch, Mandelia mirocornata Valdés & Gosliner, 1999 (Cape Peninsula, False Bay and Algoa Bay) Family Onchidorididae Fluffy nudibranch, Acanthodoris planca Fahey & Valdes, 2005 9both sides Cape Peninsula) Family Goniodorididae Fiery nudibranch, Okenia amoenula (Bergh, 1907) (Atlantic coast Cape Peninsula to Port Elizabeth) Goniodoris castanea Alder & Hancock, 1845 syn. G. brunnea (Cape Peninsula to Port Alfred, also Europe, Mediterranean, Japan and New Zealand) Tugboat nudibranch, Goniodoris mercurialis Macnae, 1958 (both sides of the Cape Peninsula) White-lined nudibranch, Trapania sp. 1 (Atlantic coast Cape Peninsula to Knysna) Giraffe spot nudibranch, Ancula sp. (Cape Peninsula and False Bay) Family Corambidae Crazed nudibranch, Corambe sp. (False Bay) Family Polyceridae Feather nudibranch, Thecacera pennigera (Montagu, 1815) (Cape Peninsula to KwaZulu-Natal, cosmopolitan) Crowned nudibranch, Polycera capensis Quoy & Gaimard, 1824 (Luderitz, Namibia to Port Alfred, also Sydney Harbour) Four lined nudibranch, Polycera quadrilineata (Muller, 1776) (False Bay, Knysna Lagoon and Algoa Bay) Twin-crowned nudibranch, Polycera sp. 1 (False Bay) Tasselled nudibranch, Kaloplocamus ramosus (Cantraine, 1835) (Cape Peninsula to Wild Coast) Orange-clubbed nudibranch, Limacia clavigera (Muller, 1776) (Saldanha Bay to Port Alfred) Black nudibranch, Tambja capensis (Bergh, 1907) (Atlantic coast Cape Peninsula to Port Elizabeth) Family Aegiretidae Knobbly nudibranch, Aegires ninguis Fahey & Gosliner, 2004 (Atlantic coast Cape Peninsula to Port Elizabeth) Family Gymnodorididae Ghost nudibranch, Lecithophorus capensis Macnae, 1958 (both sides of the Cape Peninsula) subclade Dendronotida Family Scyllaeidae Iridescent nudibranch, Notobryon sp. (Elands Bay to Jeffreys Bay) Family Tethydidae Dinosaur nudibranch, Melibe liltvedi Gosliner, 1987 (Atlantic coast Cape Peninsula) Cowled nudibranch, Melibe rosea Rang, 1829 (Port Nolloth to Port Alfred) Family Dotidae Crowned doto, Doto coronata (Gmelin, 1791) (Atlantic coast Cape Peninsula to Knysna, also North Atlantic and Mediterranean) Feathered doto, Doto pinnatifida (Montagu, 1804) (Atlantic coast Cape Peninsula to Knysna, also English Channel) Doto rosea Trinchese, 1881 (False Bay) Family Tritoniidae Whip-fan nudibranch, Tritonia nilsodhneri Marcus, 1983 (Atlantic coast Cape Peninsula, also Atlantic coasts of Britain, Ireland and France) Soft coral nudibranch, Tritonia sp. 1 (False Bay to Port Elizabeth) Brush nudibranch, Tritonia sp. 2 (both sides Cape Peninsula, Gordons Bay and Jeffreys Bay) subclade Euarminida Family Arminidae Gilchrist's armina, Armina gilchristi (Bergh, 1907) (Cape