Ussal

Ussal Crabs were a species of crab Rahi. They could be tamed and used for battle, transportation, mining, and sport. These crabs were used most notably used by Onu-Koro, usually in their military branch, the Ussalry.

The most well-known Ussal is a faithful pet named Pewku. pewku was called puku, but was changed to pewku.

A variant breed of Ussal on Voya Nui that has pincers is called the Rock Ussal. there was a giant ussal that attacked Nuju and whenua.