Green Emerald Crab
What are they? : Green Emerald Crabs – Mithraculus sculptus
How Big Are they? : We typically stock small females as these are proven to be the best algae eaters.
What do they eat? : Emerald crabs will eat a mixture of nuisance algaes as well as uneaten meaty foods making them a great addition to a reef aquarium.
What are the good at? : Well known for their ability to rid aquariums of bubble algae (valonia). This is why we tend to stock small females as they are best known for this. They also are good scavengers getting into the smallest of spots to help mop up food.
Where are they from? : These crabs come from the Caribbean
Temperament : Territorial to their favourite area
Care Level : Easy