Blue Leg Reef Hermit Crab

Macroalgae Farms

Blue Leg Reef Hermit Crab

$15.99

Key Features:
⭐ Proven algae-grazing hermit species
• Cleans detritus, left over food, and algae
• Consistent cleanup coverage
• Ideal starter cleanup crew

Size: 10 Pack
Out of stock

This product will be available for sale in 2 weeks, but you can pre-order now to receive 10% discount!

Estimated delivery between September 06 and September 08.

Blue Leg Reef Hermit Crab

$15.99

$15.99

Choose option
Size: 10 Pack - Sold out
  • 10 Pack - Sold out

About this item

Blue Leg Reef Hermit Crab

The Blue Leg Reef Hermit Crab (Clibanarius tricolor) is one of the most popular, hardworking, and beginner-friendly cleanup crew members available in the entire saltwater hobby. Bright cobalt-blue legs are accented with striking orange or red banded joints, wrapping around a small compact body that carries a shell it has selected from the substrate — a distinctive visual signature that makes the Blue Leg instantly recognizable as it scuttles across rockwork, glass, and sand — creating one of the most photogenic and character-rich cleanup crew invertebrates in the entire reef trade. Native to the Caribbean, Bahamas, and Western Atlantic reefs, the Blue Leg is the smallest and most peaceful of the common reef-safe hermit crab species, making it especially well-suited to nano and small reef systems where larger hermits would be too aggressive or too big.

What makes the Blue Leg Reef Hermit Crab one of the most rewarding cleanup crew additions is the combination of practical algae control, minimal aggression, and dynamic scuttling behavior in a compact, nano-friendly package. Blue Legs graze tirelessly on nuisance algae including green hair algae, film algae, and cyanobacteria, and pick at leftover food and detritus in rockwork crevices, keeping the reef biologically clean and looking sharp — every crab becomes an individual with observable feeding patterns and favored territory as it explores the tank and works its section of the reef. Peaceful with corals, forgiving of typical reef parameters, and one of the least aggressive hermit species toward snails and other cleanup crew members, the Blue Leg is one of the best foundational cleanup crew choices for beginner reefers building their first cleanup crew or experienced reefers replenishing an established nano or small reef system.

Available Options

10 Pack

Ten (10) healthy Blue Leg Reef Hermit Crabs ( Clibanarius tricolor ) — hand-selected from current availability. Distinctive bright cobalt-blue legs with orange or red banded joints. Excellent grazers of nuisance algae, detritus, and leftover food. Peaceful, reef-safe cleanup crew — nano-tank friendly and beginner-perfect.

Care Information

Temperature 72–78°F (22–26°C)
Salinity 1.023–1.026 — stable parameters recommended
Tank Size 10 gallon minimum — provide extra empty shells for growth
Diet Omnivore — algae, detritus, leftover food, coral feeding remnants
Temperament Peaceful — reef-safe with corals, most peaceful hermit toward snails
Care Level Easy — hardy and beginner-friendly

Special Considerations

Blue Leg Reef Hermit Crabs need access to a variety of empty shells slightly larger than their current shells to accommodate growth — without extra shells available, hermit crabs may attack living snails to steal their shells. Adding a small variety of empty hermit crab shells (available at most aquarium stores or online) to the tank prevents most shell-competition problems. Blue Legs are one of the most peaceful reef hermit species and are significantly less aggressive toward snails than larger hermits like Halloween or Electric Blue species, though shell competition can still occasionally occur if shells are scarce. Feed a varied omnivore diet including nuisance algae, detritus, sinking pellets, algae wafers, or leftover fish food; Blue Legs are opportunistic feeders and will find food throughout the tank. Adult size approximately 0.5 to 1 inch — one of the smallest reef-safe hermit species, making Blue Legs ideal for nano tanks, pico tanks, and small reef systems. Blue Leg Reef Hermits are completely reef-safe with corals and invertebrates when adequate shell resources are available, and pair beautifully with snails, shrimp, and other peaceful cleanup crew members. Lifespan 2 to 4 years with proper care.

🔍 Aquarium Insights

The Blue Leg Reef Hermit Crab is one of the most practical and rewarding cleanup crew invertebrates available to reef keepers:

  • Distinctive bright cobalt-blue legs with orange or red banded joints — one of the most photogenic small cleanup crew members in the hobby
  • Excellent grazer of nuisance algae including green hair algae, film algae, and cyanobacteria
  • The smallest and most peaceful of the common reef hermit species — one of the best all-around cleanup crew foundations for nano, pico, and small reef displays

Learn More

For detailed species information, compatibility, and care tips, visit our Species Library.

Livestock Disclaimer

Due to natural variation, the 10 Blue Leg Reef Hermit Crabs you receive will be hand-selected from current availability and may vary slightly in size, shell selection, and leg color intensity. Blue Legs typically display bright cobalt-blue legs with orange or red banded joints, though shade and pattern can vary between individual specimens. Specific size and shell type cannot be guaranteed and are determined at packing time.

Photographs are representative examples. Individual specimens may vary in size, shell selection, and color intensity.

Provide extra empty shells to prevent shell competition with snails and other hermits. As with all live animals, proper acclimation and a suitable, established environment are essential for best results.

Image alt

Recently Viewed Products

Clear history