Geography of Africa in the lake of organisms of a decidedly marine type. They include jellyfish, molluscs, prawns, crabs, etc. With the exception of Madagascar, the African islands are small. Madagascar, with an area of , is, after Greenland, New Guinea and Borneo, the fourth largest island on the Earth. It lies in the Indian Ocean, off the S.E. coast of the continent, from which it is separated by the deep Mozambique channel, wide at its narrowest point. Madagascar in its general structure, as in flora and fauna, forms a connecting link between Africa and southern Asia. East of Madagascar are the small
Disko Island sp., "Tetranchyroderma" sp., "Thaumastoderma" sp. and "Turbanella" sp. Disko Island Disko Island (, ) is a large island in Baffin Bay, off the west coast of Greenland. It has an area of , making it the second largest island of Greenland (after the main island of Greenland) and one of the 100 largest islands in the world. The name "Qeqertarsuaq" means "The Large Island" (from "qeqertaq" = island). The island has a length of about , rising to an average height of , peaking at . The port of Qeqertarsuaq (named after the island, and also known as Godhavn) lies