i think it will...both are different species so the clams will not be immune to bubbles' stings....
if they are of the same species than it is said to be alrite....like frogspawn + frogspawn, bubbles + bubbles....
i remember seeing somewhere tat frogspawn hammer and torch can be put together as they are of the Euphyllia family....so they are immune to one anothers' stings....