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 appelloefi is a species of cuttlefish native to the northwestern Pacific Ocean, specifically the Tsushima Strait and waters between Kyūshū and southern Honshū, Japan. It lives at a depth of up to 350 m.
Sepia bartletti is a species of cuttlefish native to the western Pacific Ocean. It is known only from the type locality. Depth range is unknown. Some authorities regard S. bartletti as a nomen dubium.
Sepia bathyalis is a species of cuttlefish native to the southwestern Indian Ocean, specifically northwestern and southwestern Madagascar. It lives at a depth of between 300 and 500 m.
Sepia bidhaia is a species of cuttlefish native to the southwestern Pacific Ocean, specifically the waters off the Great Barrier Reef. It lives at a depth of between 200 and 304 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 dubia is a species of cuttlefish native to the southeastern Atlantic Ocean. It is known only from the type locality, where it was caught at a depth of 25 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 foliopeza is a species of cuttlefish native to the western Pacific Ocean, specifically the East China Sea and Taiwan. The depth range of S. foliopeza is unknown.
Sepia gibba is a species of cuttlefish native to the Red Sea. The depth range of S. gibba is unknown, although it is at least as shallow as 1 m.
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 irvingi is a species of cuttlefish native to the southeastern Indian Ocean, specifically western Australia, from Cockburn Sound to North West Shelf. It lives at a depth of between 130 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 limata is a species of cuttlefish native to the southwestern Pacific Ocean, specifically southern Queensland to New South Wales, Australia. It lives at depths of between 17–183 metres (56–600 ft).
Sepia plana is a species of cuttlefish native to the coast of Australia, specifically the North West Shelf. However, cuttlebones of this species have also been found off eastern Australia, suggesting that it may have a wider distribution. S. plana lives at depths of between 396 and 505 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 filibrachia is a species of cuttlefish native to the South China Sea. Its natural range covers the waters off Taiwan,[a] Haikou on Hainan Island,[b] and Guryanova in the Gulf of Tonkin, Vietnam. It lives at depths of 34 to 95 m.
