Sepia acuminata is a species of cuttlefish native to the southwestern Indian Ocean, from Port Elizabeth, South Africa to Somalia (01º30'N–30ºS), and Madagascar. It lives at a depth of between 44 and 369 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 baxteri is a species of cuttlefish native to the southwestern Pacific Ocean, specifically the waters around Lord Howe Island. It is known only from the type cuttlebones. Depth range is unknown.
Sepia chirotrema is a species of cuttlefish native to the southern Indo-Pacific, specifically from Investigator Strait, southern Australia to Dirk Hartog Island, western Australia. It lives at a depth of between 120 and 210 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 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 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 kiensis is a species of cuttlefish native to the Indo-Pacific, specifically the Kai Islands, possibly to Timor and northern Australia. It lives at depth to 256 m. The validity of S. kiensis has been questioned.
Sepia mascarensis is a species of cuttlefish native to the western Indian Ocean, specifically Saya-de-Malha Bank, Mascarene Ridge, and Cargados-Carajos Shoals. It lives at depths of between 87 and 325 m.
Sepia mirabilis is a species of cuttlefish native to the western Indian Ocean. Specifically, it is present off Sokotra Island, and its natural range probably stretches to the east coast of Africa. It lives at depths to 50 m.
Sepia pardex is a species of cuttlefish native to the western Pacific Ocean, specifically off Japan, along the Pacific coast from the Chiba Peninsula, and along the Japan Sea coast from Toyama Bay to South Korea. It is also present off Taiwan and in the East China Sea. The depth range of this species is unknown.
Sepia peterseni is a species of cuttlefish native to the western Pacific Ocean. Its natural range stretches south of central Honshū to southern Kyūshū, and it is also present in South Korea. It lives on the inner shelf at depths of between 20 and 100 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 sokotriensis is a species of cuttlefish native to the western Indian Ocean, specifically off Sokotra Island, and probably east Africa. It lives at depths to 100 m.
Sepia subtenuipes is a species of cuttlefish native to the western Pacific Ocean, specifically the East China Sea and the Kii Channel in southwestern Japan. It lives at depths of 90 to 300 m.
Sepia tanybracheia is a species of cuttlefish native to the southeastern Indian Ocean. It is known only from the type locality. S. tanybracheia lives at depths of 200 to 205 m.
Sepia tenuipes is a species of cuttlefish native to the western Pacific Ocean. Its natural range covers the waters off eastern Honshū and the western Japan Sea to the south of Kyūshū, the East China Sea, and Korea. S. tenuipes lives at depths of 100 to 250 m.
Sepia tokioensis is a species of cuttlefish native to the western Pacific Ocean, specifically Japanese waters from Tsugaru Strait to Kyūshū and the Ohsumi Islands, including Sagami Bay, Suruga Bay, the western Japan Sea, and Shimane Prefecture. It lives on the continental shelf.
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.
