Sharkseal

Sharkseal (シャークシール) is the shark-like enemy Mechaniloid in Mega Man Zero that appears in the Secret Base after Blizzack Staggroff's defeat. They only swim left and right.

Sharkseal X
Sharkseal X is a red Sharkseal that appears in Mega Man Zero 3. It pursues Zero in the Oceanic Highway Ruins, Frontline Ice Base, and Sunken Library.