Emerald Crab   (Mithrax sculptus)
Phylum: Arthropoda, Class: Crustacea
Range: Caribbean
Size: 2 in.    Space:: 10+ gal.     Diet: Algae, worms, crustaceans
Reef Safe: Yes   Care Level: Easy   Temperament: Peaceful
Natural History: The Emerald Crab is found in rocky reef zones where it primarily feeds on algae it grooms from the rock. Unlike some of its close relatives, it does not adorn its body with decorations.
Husbandry: The Emerald Crab is one of the few herbivores that will eat bubble algae in an aquarium. It it prefers 'leafy' types of algae such as Ulva. It should be provided numerous rocks with plenty of algae upon which to hide and feed. This crab species is a good reef animal.

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