The friendliest place on the web for anyone with an interest in aquariums or fish keeping!
If you have answers, please help by responding to the unanswered posts.
Found this in one of my live rock eating algea, is it bad or good, right now hes in a small platic cap i pull it out just to make sure. Thanks sorry about the picture quality.
Looks like a Sally light foot crab. Do a google search to confirm, I believe they are considered safe but I would verify that while doing your google search.
+1 had one hitchhike into my tank but a snail try to climb into his hole and got jammed so now no snail or crab lol but they are a good addition to your tank.