Crab ID please

[User Name]

Originally Posted by toytech

i would say xanthidea crab as well , same familly as emerald crabs . I had some big black ones that where harmless .The spoon shapped pincered crabs are usualy ok.

Not trying to cause any problems here. But be aware emerald crabs are in the Majidae family, not Xanthidae. I would also suspect the big black emerald crabs you have are likely Chlorodiella nigra instead. Here is a video on youtube so you can compare.

http://www.youtube.com/watch?v=U5Hg2fwAy5Y