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Obviously, the deadliest weapon the Xenomorphs from Aliens have in their arsenal is their acid blood.

In the Star Trek: Voyager universe, when Species 8472 strikes, it leaves cells on the victim, and those cells multiply and poison and consume the victim simultaneously. And 8472 can also morph.

In a hand-to-hand battle in normal space, who wins? And what if the battle took place in fluidic space, assuming the xenos could survive in that environment?

Despite the fact that Species 8472 is canon to the Star Trek universe, they never appeared in a movie.

Unfortunately, this thread will get closed.

I'm having a hard time deciding who wins. You'll have to specify if the aliens can convert 8472 to incubators or not. Species 8472's biology is so hard to get around that even 24th century technology from the Borg was helpless. I'd think that the Aliens wouldn't be able to do jack shit to their DNA...but the acid blood should eat through the 8472 just fine.

Closed as Species 8472 is not a movie character.