Elachi Beta

One of the Elachi

The Elachi are a vaguely humanoid alien race from Star Trek Online aligned with the Iconians and infamous for their abduction and experimentation on other species, they are based on the Unnamed Humanoids that terrorized Enterprise (called "Shroomies" by Trek fans and some Trek writers).

Despite the Elachi appearing very briefly in Enterprise (and never being officially named) they are dramatically increased in Star Trek Online to the point they are one of the central antagonistic factions in the Iconian War campaign.

Their behavior (abducting and experimenting on others) is similar to the Solanae and both species are likely inspired by the infamous Grey aliens of Earth mythology.

They are also a parisitoid species and will infect others species much like a fungus, turning them into Elachi.