| Parameter | Value |
|---|---|
| Diet | Omnivore |
| Max Size | 5 cm (2 in) |
| Tank | 20 gallons (76 L) |
| Temperament | Peaceful |
| Reef Safe | Yes |
| Origin | Caribbean |
| Temp | 72-78 F (22-26 C) |
The Emerald Crab (Mithraculus sculptus) is a striking marine species known for its distinctive appearance and dynamic presence in marine aquariums.
Distribution and Habitat
Found in the Caribbean and western Atlantic on coral reefs.
Physical Description
Bright green body with a smooth, rounded carapace, reaches about 5 cm.
Diet and Feeding
Omnivorous, feeds on algae, especially bubble algae, and leftover food.
Behavior and Reproduction
Peaceful and reef-safe, excellent for controlling bubble algae, may occasionally nip at corals.
Aquarium Care
Requires 20+ gallons with live rock, reef-safe, one of the best algae control crabs.
Conservation Status
Classified as Least Concern by the IUCN Red List.
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