This is just for fun and the only rule is: no researching. Post your best guesses in the comments. Reading other people’s answers before posting your own is optional. Answer will be posted in the comments tomorrow.
(Thanks Melissa for sending me this animal.)
YesBiscuit! 
Some kind of crab; looks painted or photoshopped, but probably real.
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Agree with Evelyn Black–‘cept think it’s REAL fur sure.
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we knew them as calico crabs…dont know if that is a proper name or not?
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Ooo, you’ve found one I don’t know! Definitely a crab, and wow, what amazing color – definitely a reef animal too, maybe tends to hang around anemones or sponges?
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it is definately a calico crab
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Pretty sure her name is Angie.
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Clown stone crab
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Looks like a cross between a tomato clown fish and a crab… so I’m guessing a clown stone crab maybe? It sure is pretty.. but I bet it’s poison!
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ANSWER TIME
This is a gaudy clown crab. Not only are they cool looking, they are also teeny for added cute.
http://www.thefeaturedcreature.com/2014/06/gaudy-clown-crab-crustacean-simply-faaaaabulous.html
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Well I got a pretty close guess!!
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