SCP Foundation

Ok, so my idea is a massive tank, like the ones you'd see at an aquarium, that when two complex organisms are introduced into, the tank fills with a purple fog and instead of the two organisms introduced into the tank, there's 10-50 genetically distinct individuals that are hybrids of the original organisms. However, the organisms are fertile, and can reproduce with each other. The object's effects won't occur if a recording device is placed into the tank with or before the organisms are introduced.

This is where it gets weird. I was thinking that organisms that aren't part of the same kingdom will be able to hybridize with each other. There's about a 75% success rate for a fertile population, but the success rate decreases the more diverged the species are in their evolution. Like a human and a bat will hybridize most of the time, but a human and a multicellular protist won't usually work.

Thoughts? Ideas for how it could be better?

Alright, we can work with this. How do you think it's going to be different from every sci-fi trope about chimeras and teleporting booths gone wrong, ever since The Fly The Island of Doctor Moreau?

But what about the one time a human and a multicellular protist did hybridize? :0

Therein lies the intrigue of the idea, I think, especially if you go the Dr. Moreau route and have the hybrids be horrified at themselves. (I'd also imagine most of these things would die pretty quickly, since there's a good evolutionary reason why you shouldn't have a rabbit/fish hybrid.) I suggest getting rid of the Came From Space! and forcible-hybridization angles – that seems similar to a lot of articles on here, not to mention the fact that making something dangerous does not make it interesting. Keep the core idea and maybe make the backstory a little more plausible/mundane, and you've got something interesting here.