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In the Holocene, the African Rift Valley is a massive divergent plate boundary, and ocean in the making. In roughly 30–45 million years time, the rift has filled with water, and has formed a new epicontinental sea, with a narrow ocean basin at its center. This sea is a hotspot for biodiversity, with coral reefs and mangrove forests forming substantial habitats. The sea abounds with fish, sharks and marine tetrapods.

Shallow SeasEdit

Most of the sea is shallow, less then 500 metres deep. This means that most of the ocean is sunny, supporting the growth of coral and other reef building organisms. The larger marine life, like fish, sharks, new mosasaurs and sea turtles, also live here in come diversity. The coral reefs here rival the modern Great Barrier Reef in size.


  • New mosasaurs, genus Aquavaranus – In this ocean, the first members of the genus Aquavaranus have evolved. These derived Aquavaranids are particularly common in the African Rift Ocean, where competitive marevaranines like the Ryvena are absent. In the unique circumstances of the ocean, the aquavaranines have evolved several features not found in earlier relatives, such as a blowhole, and several differences in their lungs that enable them to dive to much greater depths and hold their breath longer, sometimes up to two hours under water.


  • Wolf Shark, Carcharhinus lupus -- A large shark that will move and sometimes hunt in packs. They average about 2.5 metres long. They are one of the many descendants of modern Bull Sharks.


Central RiftEdit

Unlike the productive shallow seas, the central rift, the ocean basin, is a barren inhospitable place, charged by the very active mid ocean ridge at its center. Few vertebrates, aside from some deep sea fish, permanently live here, but the depths abound with mollusks, particularly cephalopods. Evolved to feed on these animals are deep diving sharks and aquavaranine new mosasaurs.


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