Can they be pounded without changing species?
I started zapping pets in the pound for fun and just got a bumbus, pretty nifty so i want to throw the pet back in the pound for someone who wants a bumbus. But I recall a species changing into a kumos when pounded, is it the bumbus or something else?

I'm fairly sure they can't be pounded without changing into a kumos. It's the same with Bhakoru too, from memory.
They should be able to be gifted away though, possibly?