Ancient Sea Behemoth

The Ancient Sea Behemoth was a Rahi that swam in the water. It was asleep for millenniums until it was awakened by Toa Kongu's Mask of Summoning. It later allied with the giant venom eel and Gadunka.

History
The Ancient Sea Behemoth was an enormous, fully organic ancient sea creature, that resembled a hybrid of a whale and a clawed Slime-Worm. It measured 200 feet long (60 meters).