Species Profile
Scarlet Hermit Crab
The reef-safest hermit crab — smaller and less destructive than blue-legs, eats algae and detritus.
The Scarlet Hermit Crab (Paguristes cadenati) is the most reef-safe hermit crab in the hobby. Stays small, focuses on algae and detritus, and rarely attacks snails or corals like larger hermit species do.
- Min tank: 10 gallons
- Diet: Omnivore (favors algae)
- Reef safe: Yes
- Difficulty: Easy