What type of crab is this

[Audrey]

Found this when I got home in my live rock as a hitchhiker .... can anyone tell me what type of crab this is?

 

[Mr_Knightley]

What color is it? I can't tell from the pic. My guess is an emerald crab or related Mithraculus species, typically reef safe ish, though there are some reports of them picking on corals.

 

[Audrey]

Thank you.... the color of the crab is brown... one claw was bigger than the other and was black on the pincher

 

[Fishy212]

Emerald crab. Generally green, I have a green one and a red one. They will eat algae / especially bubble and clean detritus and uneaten foods. Make sure to keep them fed and happy or they will attack fish and or corals to get what they need.

 

[Audrey]

Thank you... I definitely will keep it fed

 

[Fishy212]

Check porcelain crabs

 

[Audrey]

Thank you... I will

 

[Dempsey941]

When in doubt sump it.

 

[Audrey]

Thank you

 

[najer]

Imo that needs to be in your sump, it has sharp tips, not spoon shaped like a mithrax / emerald.

 

[Audrey]

Imo that needs to be in your sump, it has sharp tips, not spoon shaped like a mithrax / emerald.

Thank you... I put it into my sump