The Saltwater Ruby Red Mithrax Crab is very similar to the Saltwater Emerald Crab in exception of it being ruby red. It basically has the same diet and will eat most types of algea. They are also very reef safe and a joy to watch in the home aquarium.
COMMON NAME: Ruby Red Mithrax crab
SCIENTIFIC NAME: Mithrax sculptus
SIZE AVAILABLE: ~1/2 inch
MINIMUM TANK SIZE: 1 per 25 gallons
CARE LEVEL: Moderately Easy
REEF SAFE: Yes
AVAILABILITY: Most always available - 99%
*Easy to care for and considered reef safe.
*Recommended stocking is 1 per 25 gallons.
*Also know as the Red Emerald Crab, it is very similar to to the Emerald Crab in most ways.