Blue calico crab

Calappidae

Harlequin Shrimp
I got a blue calico crab about a month ago. Yes, Blue.. I got her off diver's den in a heartbeat.. I'm not a fan of the calico crabs, I'm more of the calappid species type guy.. but when I saw this odd coloration I knew it wouldn't hurt to give it a shot.

I can't get a decent pic myself.. so I'll have to use liveaquaria's.

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She is actually a little more vibrant in person. At first I thought that maybe this was an indication of an incoming molt.. but after about a month she retains her color and never molted.

She's currently housed in a 40 gallon sump refugium with an open fine sandbed aprox 2.5 inches deep. Well over fist sized and has a very strong grip on the feeding stick (I tried hand feeding.. lets just say after the first time her claws scared me a little.. unlike the calappids where their claws are ment to pry open clams and snails which I was able to hand feed.. these ones are ment to tear flesh..).

When I first got her, she didn't eat for the first week.. I eventually enticed her to eat with some clams from the deli, and from there the less messy diet of krill took over and she's happy and healthy!

Has anyone every heard or seen of this coloration? I'd be happy to keep updated just for the fact that there isn't too much information on their behavior or journels reguarding experience with them online that I know of.

They also go by the name shameface crab, box crab, and leopard crab. Calico seems to be the least misleading so I'll go with that.
 
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How big is it? Are they reef safe? Awesome crab!!!!!!

She's bigger than my fist, I'd guess around 4 iches in width. That's about maximum size.

They do not eat corals, but they're bulldozers, they dig and bury in substrate with only their eyes popping out of the sand. They can sift rock, tumble down corals, etc etc so basicly no they're not reef safe to some degree ;)

Their main diet in the wild, much like the true calappids, is live snails and clams however they'll accept whatever they can get. I couldn't get mine to eat until I offered her a clam.. that enticed her and she started eating whatever I handed her from there. However be careful if you plan to keep snails or bivalves with them.
 
<iframe width="560" height="315" src="//www.youtube.com/embed/dOtlT9wxOwM" frameborder="0" allowfullscreen></iframe>

Here she is in action ;)
 
very sweet i just bought one yesterday its markings are in the voilet range.i brought him home let sit in quar. for about 3 hours then put him in my 55g long. he loves it. hand fed him 3 pieces of med shrimp he tore them up. so cool of a crab. but he's found his spot in my tank and looks happy. like i said i just got him last night.so any info on him would be great.. like how much to feed him and is it an everyday thing or every other?// hope to get some pics of mine on here. so beautiful and wow when he eats lol..
 
update on calico crab ( TANK ) lol he's super sweet. I've had him 3 days now. he is the tank lol aprox 3 inches wide. i hand feed him his shrimp at night. seems to be warmimng up to me now lol (doesn't try to take my finger. but overall he's doing great i think. would love to find more knowledge of him?
 
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