Crab identification

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Mjb51

Aquarium Advice Apprentice
Joined
Feb 10, 2013
Messages
38
ImageUploadedByAquarium Advice1402854168.736915.jpgImageUploadedByAquarium Advice1402854184.145285.jpgImageUploadedByAquarium Advice1402854195.699120.jpg
Anyone help identify this hitchiker crab think it is responsible for killing my flame angel, cleaner shrimp and starfish?ImageUploadedByAquarium Advice1402854281.859956.jpg
He is about the size of a table tennis ball grey green dimpled shell with hairy legs?
 
That isn't an emerald crab. It reminds me of a 'strawberry crab' I saw a picture of a while back. The hairy legs on crabs in general usually means they aren't very reef safe...the jury is usually out on emeralds, as they also have hairy legs, and can be fine or they can go postal on corals...
That being said, the crab doesn't look that equipped to take down a fish. Under normal advice, I always say that if a crab is caught munching on a fish then you caught it in the reason you put them in your tank...to clean up!
The only bit of concern I have with this guy, is the size. The size of a tennis ball? That is outrageously large. I'd move him off into a sump, if available, until more information can be figured out about this guy.
 
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