Reef safe crab?

agarza

New member
I recently added some corals and on this particualr acropora I found this little guy hitchhiking. Wanted to know if you think it's safe to leave it there or would be better of in the sump?.

Acuario11-02-07003.jpg

Acuario11-02-07006.jpg


When I feed the tank, he reaches out to grab some food and I have not seen any damage on the coral.

Cheers!
 

illal

New member
looks almost like a porceline crab..if you havnt noticed him harming anything id leave hime just moniter closley ;)
 

illal

New member
Description:
Acro Crabs, as they are commonly called, are always found within the branches of SPS corals. They are small (< 0.5" across) with a white body and a black line across the plane of the eyes giving it a bandit look.

Good or Bad?:
Acro crabs are harmless commensals, apparently living in harmony with their associated coral. It is unknown what they feed on, but presumably the mucus secreted by the coral or perhaps particles trapped by the coral polyps. They will also eat meaty food that falls into the coral, but they do not need to be specially fed. They will sometimes migrate from coral to coral, but usually stay within the same coral colony.They will die if separated from their coral and should be left where they are found.
 
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