Fur Seal

 is a fin-footed marine mammal that is semiaquatic. It has a sleek-body and barrel-shaped. Their bodies are well adapted to the aquatic habitat where they spend most of their lives. Due to the excessive hunting for their precious hide, s are now threatened with extinction. s can only be found at Kokomo Beach, Comodo. is always mistaken for a Sea Otter. This is because has a habit of disguising itself to be a Sea Otter. Perhaps that is the reason that it was named. Sea Otter doesn't seem to recognize that is a different species thus it will not attack  whenever it enters their territory.

In some versions of Ragnarok Online, is localized as Seal.

Ragnarok Online II
In RO2, there are three variations of this monster:
 * Swimmer
 * Diver
 * Diver