Unknown Alien

A race that inhabit the Pegasus Galaxy.

Overview
They seem to be in conflict with Earth and the Atlantis expedition. it is unknown if they are at war with the Wraith or how they have concealed themselves from them to progress the the technological level they are at. They possess powerful ships that rival that the possess Tau'ri. They do however share a resemblance to the wraith most notably their teeth, and facial structure, but they do not use biological ships or technology. They seem to be very strong, Capable of defeating Ronon Dex in hand to hand combat, and very resilient being able to take several clips from a P-90 and from Ronon's gun. They seem to have a synthetic implant in the left side of their skull that can be seen flashing red by the naked eye. But they seem to have a weakness for bright lights.

History
They were encountered in an alternate reality, where they were attacking Atlantis. The Daedalus was able to disable their ship before they jumped to the next reality. The Daedalus later returned to the same reality and encountered the ship again, still disabled. The Daedalus had suffered heavy damage from fighting the ships fighters but was later saved by the Atlantis expedition of That universe who helped destroy the fighters in F-302s. It is unknown what happened to the battleship after the Daedalus jumped away but it is presumed it was destroyed by the F-302s. So far they have never been encountered in the main universe.