prickely acro crab pest
 

Look what I Killed, rotten acro crab, was eating my calli tort, you can see the last bit that he ate befor I ripped his head off. ( only way to get it to let go of the coral )


http://i106.photobucket.com/albums/m...x/DSC_0121.jpg

I don't think that's an acro crab. They're usually pearly smooth and white with a black stripe. True acro crabs don't eat acros because that's their home - dead acro = dead crab.