Blue Leg Hermit Crab (Clibanarius tricolor)

A Tiny Powerhouse for Your Clean-Up Crew 🦀
The Blue Leg Hermit Crab is one of the most popular and effective invertebrates for keeping your saltwater aquarium clean. Recognizable by their bright blue legs with orange banding, these small but mighty reef-safe crabs tirelessly consume nuisance algae, detritus, and leftover food—helping maintain a healthy and balanced reef system.

Why You’ll Love Them:

• Excellent algae eaters and scavengers

• Small size allows them to clean hard-to-reach areas

• Brightly colored legs add beauty and activity to your tank

• Reef-safe and peaceful with corals and most invertebrates

• Hardy and easy to care for – perfect for any reef aquarium

Care Requirements:

• Temperament: Peaceful (may fight other hermits for shells if extras are not provided)

• Reef Safe: Yes

• Diet: Omnivore – consumes algae, detritus, and leftover food; supplement with algae wafers or pellets if needed

• Minimum Tank Size: 10 gallons

• Water Parameters: 72–78°F | pH 8.1–8.4 | Salinity 1.023–1.025

• Size: Up to 1 inch

Stocking Tip:
Provide plenty of extra empty shells of various sizes to reduce aggression as they grow and molt.