Possibly collonista snails......they eat algae , but will probly irritate the zoas as the move around inbetween the polyps.
ok good. Thanks nana. Glad their not pests. Back to the drawing boards to what is melting some zoas.
I just had a bunch of my zoas start melting. I think it was a bacterial infection from a new frag I had gotten. I took out as many of my zoas as I could and dipped them in Coral Rx as per instructions and then removed the dead or melted peices and most are making a come back. Something you may want to try.
I love the way zoas look, but I hate it that they mysteriously melt for no apparent reason. I have just quit buying them for that reason.
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