What type of crab is this?

[asn]

Just saw this guy hanging out on a duncan. Lights are out, but lunars are on. I pointed a flashlight at him for the photos.

thank you

 

[Reefbuds]

looks like the red version of emerald crabs maybe

 

[JoJosReef]

Better photo might help, but looks like the blunt claws of a ruby mithrax. Hitchhiker? What luck!

 

[Janet Belanger]

+1 for ruby mithrax. Good guy in my opinion, nice find.

 

[asn]

Thanks guys