Scientific name - Dardanus sp Family – Diogenidae Common name – Anemone Hermit Crabs Max Size – 4 in (10 cm) Range: Hawaii, Pacific Ocean Care Level – Easy Temperament – Aggressive Foods and feeding – This crab will scavenge debris and algae but can be feed small meaty items and algae sheets. It will share its food with its symbiotic anemones. Aquarium suitability - Reef compatibility – No Captive care – This crab is extremely helpful in keeping an aquarium clean, and will roam the aquarium searching for debris and algae to eat. But they are very aggressive, killing fish, snails and worms. It prefers a larger aquarium with lots of rockwork and low light. Crabs are extremely sensitive to nitrates and copper and small amounts will kill them.