i have an emerald that is 2 inches across as well and he has never caused me any problems what so ever. but im with ll the people who are against hermits i hated mine cause they just kept eating all my snails. so now they're slowly disappearing as they become mantis food haha. i would also never buy an urchin again as i am against gluing all my corals and rocks together and they seem to never like my style of aquascaping and think it should all be bulldozed to the ground
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