What is this guy found on coral

[bichirfreak]

Never bought crabs for this tank what is he found him on my frogspwan and a ducan . And it may have kill my frog it lost all heads but one . Have caught it and it in jail in a breeder box is he good or a bad crab for my reef . Thanks in advance

 

[Longnose Hawkfish]

Picture would be helpful

 

[bichirfreak]

 

[bichirfreak]

Sorry forgot

 

[Dextereef]

Mithrax crab (emerald) maybe?

 

[Rob.D]

Mithrax crab (emerald) maybe?

Agreed, check the pincers to see if they are cupped or pointed.

 

[bichirfreak]

There clubbed I thought that the emerald was reef safe