Fishman

Fishman (魚人) (Fishmen in plural) are race of ghost-like aliens that appeared in Ultraman Gaia.

Ultraman Gaia
When Zogu unleashed a group of Dobishi to Earth for invasion, these Fishmen appeared where they roaming at the city mindlessly moments before her arrival. Despite having appeared and frightening the citizen, they didn't harm them.

Trivia

 * Although they actually appeared, but due to their nature of being ghosts, they were intangible to almost everything.
 * Their suits are modified from Digon in Ultraman Dyna.

Powers and Weapons

 * Intangibility : Due to their nature of being ghosts, they were intangible to almost everything.