Don't be so sure...
Firstly I have kept clams under simple dual T5's for long periods and in a small tank the clam thrived and there was no real good form of filtration just tiny canister filters and hob filters...tank was only 30L.
Slowly all coral died off and I saved the lone Stomatopod within by placing it into a much larger and stabler system but the clam thrived on...
Not all Stomatopods eat clams, I remember talking with Dr.Caldwell a while back about how he use to find large spearer burrows near giant clams in the wild.
Minos is a spearer...