Another Odd Crab

[JusMeJim]

Anyone have any ideas as to what type of crab this is, or if it's even a crab? It's still kinda small. Probably less than 1/2". It had to have come in on my live rock that I've had for at least a couple of months.

 

[SpartaReef]

Could be a sponge crab or coral dwelling crab of sorts. Looks harmless

 

[fishywishy]

Pitho crab. Usually pretty safe

 

[fishywishy]

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