Description

Blue Eye Hermit Crab (Calcinus laevimanus)
The Left-Handed Hermit Crab, also called the Dwarf Zebra Hermit, is a small and hardy scavenger recognized by its black-and-white banded legs and noticeably larger left claw. This peaceful hermit crab grazes on algae and detritus while also aerating the sand bed, making it a helpful member of the cleanup crew. Like other hermits, it may compete with snails for shells, so keeping extra empty shells in the tank will help prevent aggression.

  • Care Level: Easy

  • Reef Safe: Yes (with caution — may attack snails if shells are lacking)

  • Diet: Algae, detritus, leftover food

  • Behavior: Active scavenger; larger left claw is used for defense

  • Recommended Tank Size: 10+ gallons

šŸ¦€ Blue Eye Hermit Crab (Atlantic)
Scientific Name: Calcinus laevimanus
Common Name: Blue eye Hermit Crab
Size: ~0.5 to 1.5 inch
Reef Safe: āœ… Yes
Temperament: Generally peaceful, mildly competitive over shells
Diet: Omnivorous – eats film algae, detritus, leftover food, cyanobacteria
Tank Role: Algae grazer and substrate cleaner

Blue Eye Hermit Crab

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        DescriptionDescription

        šŸ” Description:
        The Blue Leg Reef Hermit Crab is a small but mighty clean-up crew member, instantly recognizable by its bright blue legs with dark banding. Found in the warm waters of the Caribbean and western Atlantic, it plays a vital role in reef aquariums by consuming nuisance algae and detritus from hard-to-reach crevices and sand beds.

        Though mostly peaceful, these hermits can become competitive if not provided with extra shells, occasionally targeting snails or other hermits for a better home. Despite their size, they’re tough, active, and effective algae grazers.

        Must HaveMust Have

        āœ… Why They’re a Must-Have:

        Excellent Algae Cleaner: Feeds on film algae, hair algae, and even some cyanobacteria

        Compact & Versatile: Great for nano tanks or large reef systems alike

        Sandbed Stirrer: Helps prevent detritus buildup in substrate

        Colorful & Active: Always moving and visibly working

        Notes for SuccessNotes for Success

        āš ļø Notes for Success:

        Offer Plenty of Spare Shells: Reduces aggression toward snails and other hermits

        Use in Moderation: Too many can overwhelm peaceful tankmates or outcompete others

        Supplement in Clean Tanks: Provide small amounts of algae-based pellets or flakes

        May Tip Over Frags: Active behavior can occasionally knock loose coral plugs

        Best Used ForBest Used For

        🧽 Best Used For:

        Reef tanks battling light algae issues

        Nano reefs and mixed reef systems

        Aquarists looking for small, hardy grazers with visual appeal

        Description

        Blue Eye Hermit Crab (Calcinus laevimanus)
        The Left-Handed Hermit Crab, also called the Dwarf Zebra Hermit, is a small and hardy scavenger recognized by its black-and-white banded legs and noticeably larger left claw. This peaceful hermit crab grazes on algae and detritus while also aerating the sand bed, making it a helpful member of the cleanup crew. Like other hermits, it may compete with snails for shells, so keeping extra empty shells in the tank will help prevent aggression.

        • Care Level: Easy

        • Reef Safe: Yes (with caution — may attack snails if shells are lacking)

        • Diet: Algae, detritus, leftover food

        • Behavior: Active scavenger; larger left claw is used for defense

        • Recommended Tank Size: 10+ gallons

        šŸ¦€ Blue Eye Hermit Crab (Atlantic)
        Scientific Name: Calcinus laevimanus
        Common Name: Blue eye Hermit Crab
        Size: ~0.5 to 1.5 inch
        Reef Safe: āœ… Yes
        Temperament: Generally peaceful, mildly competitive over shells
        Diet: Omnivorous – eats film algae, detritus, leftover food, cyanobacteria
        Tank Role: Algae grazer and substrate cleaner

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