Dude, those are planaria. From my understanding they don't attack clams at all but they can irritate them. They feed mostly on detritus, so make sure you keep blasting the rocks to knock off detritus AND the flat worms; that should nip them in the bud.
DON'T USE FLATWORM EXIST UNLESS YOU REALLY NEED TOO. Yes, it works but sometimes I think the cure does more damage than the condition you are trying to treat. FW Exit itself can hurt inverts and when the FW die they release a toxin that can do some serious damage it there are enough of them in the tank.
The best thing you can do really is pick up a blue velvet nudi. They make quick work of the FW. Just make sure you pass it on once they're gone or else it will starve. I had a terrible FW outbreak last spring when I had to leave my tank for 2 months while I was moving. Got a blue velvet nudi and they were gone in 2 weeks. I still see one or two FWs now and then in areas where detritus builds up but with improved flow in these areas now even this seems to be going away.
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01-06-2011, 08:29 PM
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