The list of marine animals of the Cape Peninsula and False Bay is a list of marine and shore-based species that form a part of the fauna of South Africa. This list includes animals which either live entirely marine lives, or which spend critical parts of their lives at sea. The geographical range is from Bloubergstrand at the north of Table Bay to Cape Hangklip, the south eastern limit of False Bay, in the Western Cape province of South Africa and includes the Table Mountain National Park Marine Protected Area and the Helderberg Marine Protected Area. Sponges Calcarea – lime sponges Order Leucosolenida Family Sycettidae Hairy tube sponge, Sycon spp. (Saldanha Bay to Kosi Bay) Family Leucosoleniidae Branching ball sponge, Leucosolenia sp. (Cape Peninsula to Cape Agulhas) Tube sponge, Leucosolenia sp. (Port Nolloth to Sodwana Bay) Demospongiae – fibre or horny sponges Order Astrophorida Family Ancorinidae Grey wall sponge, Stelletta agulhana Lendenfield, 1907 (Northern Cape to KwaZulu-Natal) Order Hadromerida Family Clionaidae Rosetted sponge, Cliona aff. celata (Namibia to Cape Peninsula) Boring sponge, Cliona celata Grant, 1826 (Luderitz to Durban) Family Polymastiidae Teat-sponge, Polymastia mamillaris (Müller, 1806) (Saldanha Bay to Port St. Johns) Atlantic teat-sponge, Polymastia atlantica Samaai & Gibbons, 2005 (Luderitz to Cape Peninsula) Family Trachycladidae Orange wall sponge, Trachycladus spinispirulifera (Carter, 1879) (Cape Peninsula to Cape Agulhas) Family Suberitidae Dusty sponge, Suberites aff. ficus (both side of the Cape Peninsula, also southern Namibia, Mediterranean, Pacific and north Atlantic) Family Tethyidae Golf ball sponge, Tethya aurantium (Luderitz to Durban) Order Halichondrida Family Halichondriidae Crumb-of-bread-sponge, Hymeniacidon perlevis (Montagu, 1818) (Northern Cape to Port St. Johns, also north Atlantic, Mediterranean and the Pacific) Order Poecilosclerida Family Chondropsidae Scroll sponge, Chondropsis sp. (Olifants River to Cape Peninsula) Family Crambeidae Stellar sponge, Crambe acuata (Lévi, 1958) syn. Crambe chelastra (Luderitz to Cape Peninsula) Family Latrunculiidae Vented sponge, Latrunculia (Biannulata) spinispiraefera Brøndsted, 1924 (Angola to Durban) Family Isodictyidae Brain sponge, Isodictya elastica (Vosmaer, 1880) (West Coast to Port Elizabeth)(Luderitz to Cape Point) Flat leaf sponge, Isodictya grandis (Ridley & Dendy, 1886) (West Coast to False Bay) Fanned kelp sponge, Isodictya frondosa (Lévi, 1963) (Orange river to Cape Point) Family Microcionidae Broad-bladed tree sponge, Clathria (Clathria) dayi Levi, 1963 (West Coast to the Cape Peninsula) Red encrusting sponge, Clathria (Isociella) oudekraalensis Samaai & Gibbons, 2005 (Cape Peninsula) Tree sponge, Echinoclathria dichotoma (Levi, 1963) (West Coast to Cape Agulhas) Nodular sponge, Clathria (Thalysias) hooperi Samaai & Gibbons,