Giant Oceanic Manta Ray, in-game simply yclept as Manta Ray, is a species of friend stingray in Abyssrium.
To unlock Manta Ray is necessary to take a picture of a stingray 3 times. The requirement says "share to twitter" but it has been unlocked when sharing to facebook 3 times.
Giant oceanic manta ray, is one of the two species of manta ray, the other being reef manta ray, they differ because giant oceanic manta ray is larger measuring around 5 m (16 ft), while reef manta rays measures around 3 m (10 ft), also manta ray has T-shaped lighter marks in their heads, while reef manta ray's are Y-shaped. Manta rays feed mainly in zooplankton.
- Manta Rays in Abyssrium have an abnormal brown color, since manta rays in real-life are black, in Abyssrium they also don't have the lighter marks.