It just exists, like the Rabbit Ray.

Or the other rays

You cant pick them up. They are kinda useless anyway.

Ik I said that they are even stupid, I just about always see them trying to swim into walls unless they in a big cave

Maybe the reason you can't pick them up is because they're scavengers so they might have some sort of bacteria that's harmful to you.

Like the virus that should not be named?

No, like it might have some sort of bacteria in its stomach to help with breaking down food or something that could be harmful.

COVID-19

No kharaa

You can raise a shuttlebug in a containment and pick it up. But only way to get the egg is through commands.