The Indian Ocean

This species is found in the Indian Ocean.

saltwater fish found in the warm and tropical waters of the Indo-Pacific

The Christmas Island red crab (Gecarcoidea natalis) is a species of land crab that is endemic to Christmas Island and Cocos (Keeling) Islands in the Indian Ocean.

Amphioctopus marginatus, also known as the coconut octopus and veined octopus, is a medium-sized cephalopod found in the tropical waters of the western Pacific Ocean and the Indian Ocean.

Fire corals are found on reefs in tropical and subtropical waters, such as the Indian Ocean, Pacific Ocean, and Atlantic Ocean and the Caribbean Sea.

Hydrozoans are found in all the oceans, at all latitudes.

The species ranges throughout most of the Indian Ocean, as well as the tropical and subtropical Pacific from Indonesia north to the Taiwan Strait.

native to coral reefs of the Indo-Pacific

This species is found in the Indian and western Pacific Oceans.

Nautiluses are found only in the Indo-Pacific

Nautiluses are found only in the Indo-Pacific

Day geckos inhabit the islands of the south-west part of the Indian Ocean.

Psednos microps, the smalleye dwarf snailfish, is a species of snailfish found in the western Indian Ocean.

Psednos nataliae is a species of snailfish found in the eastern Indian Ocean.

Sei whales have been recorded from northern Indian Ocean as well

Dugongs are found off of coastal eastern Africa, along the shores of the Indian Ocean, and on the northern coast of Australia.

The subantarctic fur seal (Arctocephalus tropicalis) is a species of eared seal found in the southern parts of the Indian, Pacific, and Atlantic Oceans.