Sepia adami is a species of cuttlefish native to the southwestern Indian Ocean. It is known only from the type locality, S 79ºE off Cape Natal. It lives at a depth of up to 99 m.
Sepia burnupi is a species of cuttlefish native to the southwestern Indian Ocean, specifically southeast Africa, from Port Elizabeth to southern Mozambique and the Saya-de-Malha Bank. It lives at a depth of between 40 and 240 m.
Sepia confusa is a species of cuttlefish native to the southwestern Indian Ocean, specifically southeastern Africa from Port Elizabeth to southern Mozambique, Zanzibar and Pemba, and Madagascar. S. confusa has also been erroneously recorded from the Arabian Sea. A record from the Saya-de-Malha Bank has not been confirmed by recent expeditions. The species lives at a depth of between 53 and 352 m.
Sepia cottoni is a species of cuttlefish native to the southeastern Indian Ocean, specifically from northwest of Broome (17°31' S) to Armstrong Point, Rottnest Island (32°0' S). It lives at a depth of between 83 and 183 m.
Sepia elongata is a species of cuttlefish native to the northwestern Indian Ocean, specifically from the Red Sea to Somalia. The depth range of S. elongata is unknown.
Sepia faurei is a species of cuttlefish native to the southwestern Indian Ocean, specifically to the east of the Cape of Good Hope, South Africa. It lives at depths to 168 m.
Sepia hieronis is a species of cuttlefish native to the southeastern Atlantic Ocean and southwestern Indian Ocean, specifically southern Namibia, from approximately 27°S to Port Alfred, South Africa, and east Africa from 17°S to Kenya and Mozambique. It is also present in the Saya-de-Malha Bank. It lives at depths of between 43 and 500 m, although it is most abundant at 110 to 250 m depth.
Sepia incerta is a species of cuttlefish native to the southwestern Indian Ocean, specifically south and east Africa, from Port Elizabeth to Mozambique. It is also present in the Saya-de-Malha Bank. S. incerta lives at a depth of between 90 and 345 m.
Sepia insignis is a species of cuttlefish native to the southwestern Indian Ocean, specifically South Africa, from the Cape of Good Hope to Natal. It lives at depths to 42 m.
Sepia ivanovi is a species of cuttlefish native to the southwestern Indian Ocean, probably throughout southeast Africa, including Kenya, Mozambique, to the mouth of the Zambezi River. It lives at depths to 50 m.
Sepia joubini is a species of cuttlefish native to the southwestern Indian Ocean, specifically South Africa, off Tugela River Mouth, to Cape Natal, off southern Mozambique, and in the Saya-de-Malha Bank. It lives at a depth of between 66 and 170 m.
Sepia koilados is a species of cuttlefish native to the southeastern Indian Ocean, specifically the North West Shelf in western Australia. It lives at depths of between 182 and 203 m.
Sepia papillata is a species of cuttlefish native to the southeastern Atlantic Ocean and southwestern Indian Ocean. Its natural range stretches from Lüderitz Bay, South Africa, to the coast of KwaZulu-Natal off the Tugela and Umvoti Rivers. It is also present in Mascarene Ridge. It lives at depths of between 26 and 210 m.
Sepia plathyconchalis is a species of cuttlefish native to the western Indian Ocean, specifically the Saya-de-Malha Bank, Cargados-Carajos Shoals, and St Brandon Shoals. It lives in shallow waters at depths of between 25 and 63 m.
Sepia saya is a species of cuttlefish known only from its type locality in the southwestern Indian Ocean. It lives at depths of 87 to 117 m.
Sepia simoniana is a species of cuttlefish native to the western Indian Ocean. Its natural distribution stretches from Cape Town to Agulhas Bank, north to northern Kenya and southern Mozambique. It is also present in the Saya-de-Malha Bank. S. simoniana usually lives at depths of less than 100 m, although it has been recorded down to 190 m.
Sepia subplana is a species of cuttlefish native to the southwestern Pacific Ocean. It is known only from the type locality. S. subplana lives at depths of 400 to 600 m.
Sepia thurstoni is a species of cuttlefish native to the Indian Ocean, specifically the waters off Chennai in India and off Negombo and Hambantota in Sri Lanka. It lives at depths of 20 to 40 m.
Sepia typica is a species of cuttlefish native to the southwestern Indian Ocean and southeastern Atlantic Ocean. Its natural range stretches from Saldanha Bay, South Africa to southern Mozambique. It lives at depths of 2 to 290 m.
Sepia vercoi is a species of cuttlefish native to the southeastern Indian Ocean, specifically the waters off Western Australia. It lives at depths of 76 to 201 m.
