Go read or listen to 'The Apartment Dweller's Bestiary' by Kij Johnson

There are many great Clarkesworld stories. This is one of them. (There are also many great writers. Kij Johnson is one of them.) "The Apartment Dweller's Bestiary" details the traits of a variety of strange creatures that might, for various reasons, share your living space. They're mostly adorable, and definitely worth listening to. Here's that link again.