The oyster-rhanas are a race of animals living in Hidden Kingdom. They are ruled by Oyster-Rhana King, but have no known castle. They first appeared in The Dark Below.


The oyster-rhanas sought to rule the oceans prior to The Dark Below, and thus were hostile towards other sea-dwellers, such as the penguins. Twin Masters caught them, and forced them to work as his servants in an assault on the Trench of Lost Souls.

Powers and AbilitiesEdit

Oyster-rhanas have powerful jaw-like shells that can clamp down destructively. They can fire pearls like rapid-fire cannonballs, are noted for the ability to survive at incredible depth.

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