Strange white crab eating leather coral?
Bought a green leather coral recently and after a week or so started to not look so good. I decided to move it to a place with less direct light and more water movement and i noticed a 1/2" crab hitched on the base of the coral. It looks like and emerald crab but it is white and has hairy legs. The hairs are more brown. Is this what was hurting my coral or was it just eating the dead parts of it? I took the crab out but if its harmless id like to put it back in.