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Old 11-09-2003, 11:49 PM   #1
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Crab ID - Black with marbled-white markings?

A large (1" dia.) crab came with my live rock. He is mostly black with marbly-white on his arms. He is very shy (can't get a picture - yet!) and stays in the porous rock. Occasionally comes out. He seems to pick stuff off the live rock and also responds to shrimp pellets placed near his 'lair'. He has 2 large claws which he sometimes uses to sweep water toward his mouth. I have only 2 fish (4 stripe damsels) and he seems to shy away from them - they will try to take the shrimp pellet out of his grasp! My tank is 3 weeks old - cycled with live sand/live rock. 55g, CPR Skimmer, Refugium, Ammonia-0, Nitrites-0, Nitrates-5, Alk-11, Ca-440, Temp-77F. Any idea of what he is?
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Old 11-10-2003, 03:26 AM   #2
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Re: Crab ID - Black with marbled-white markings?

Quote:
Originally Posted by gordonzo
He has 2 large claws which he sometimes uses to sweep water toward his mouth.
Sounds like a species of porcelain crab by that description. Ther are many different color morphs for these guys.

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Old 11-10-2003, 03:43 AM   #3
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Is this what you are describing except for different color???

James
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Old 11-12-2003, 08:42 PM   #4
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My crab has a more oval shaped body. His legs are much thinner. His claws are very long and slender. I am still trying to get a picture but he is very shy. He will reach out of his crevice and take a shrimp pellet from my tongs but when he comes out, the slightest movement seems to scare him away.
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