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i have a couple of these guys and would like to know if they are reef safe. i know theyve been in the tank for a couple of years and havent really noticed anything, but its better to be safe than sorry.
Most are great little scavengers. Although, the Fire Worms or Hermodice carunculata are nasty. They give a nasty sting. Not sure what your pic shows though.
I agree, they are part of my clean up crew! Yours seem to be pretty brave or you got those pics after a feeding. Most of mine hide and I don't see them too often.