I have no idea what this is I have found it on a snail and on a rock and on a crab
I this by any chance harmful to my reef any help would be great thanks in advance
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Need better pics, can’t tell . Could be a white sponge but pic is too blurry to know for sure.I have no idea what this is I have found it on a snail and on a rock and on a crabI this by any chance harmful to my reef any help would be great thanks in advance