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i have one that looks like an emerald crab but has shiny black body and hairy legs. And its about 1.5-2 inches wide. I don't know what it eats but it stay on one rock the entire time which happens to be the biggest and heaviest rock in my tank.
I would like an ID as well if anybody knows

Re: i have one too

Quote:

Originally Posted by chin_lee

I think I have an exact same crab as you Chin. I have him in my sump/fuge now but used to see him all the time in the main tank scrapping coraline off of rocks to eat. Never seen him "test" anything else. He just got too big for my 40gal display, so I moved him to the sump. I just assumed he was an "African American Emerald Crab". :mrgreen:

http://www.muiscontrols.com/ryan/crab/crab1.jpg