Blue Leg Hermit Crab (Pack of 5)

Build a powerhouse cleanup crew with our fantastic Blue Leg Hermit Crabs! This value pack includes five hardy, vibrant crustaceans featuring striking bright blue legs that create beautiful visual contrast against their natural shells and bodies. Blue Leg Hermit Crabs are among the most effective and popular cleanup crew members in the aquarium hobby, tirelessly patrolling your tank consuming detritus, uneaten food, algae, and organic waste while displaying endless fascinating natural behaviors. These incredible little cleaners work around the clock, significantly contributing to biological filtration and waste removal while remaining peaceful, reef-safe invertebrates that coexist harmoniously with all tank inhabitants. With five crabs working simultaneously, you’ll experience dramatically improved tank cleanliness, reduced algae growth, and enhanced water quality through comprehensive biological filtration. Blue Leg Hermit Crabs are hardy, relatively easy to care for, and provide exceptional value as multi-functional cleanup crew members that transform your aquarium’s biological balance. Care Requirements:

• Feeding & Nutrition: Omnivorous scavengers consuming detritus, uneaten food, algae, and organic waste; thrive in established systems with adequate natural food sources from fish feeding and organic decay; benefit from occasional supplemental feedings of sinking pellets, dried seaweed, blanched vegetables, or specialized hermit crab foods to ensure adequate nutrition for multiple crabs.
• Shell Availability: Essential to provide multiple appropriately-sized empty shells for housing all crabs; hermit crabs outgrow shells as they develop and require shell options for refuge and protection; offer shells slightly larger than current shells to encourage upgrades; maintain 3-5 extra shells per crab available at all times (15-25 total shells for pack of 5).
• Substrate & Shelter: Prefer sandbed areas with adequate space for natural movement and burrowing; provide abundant rockwork, caves, and shelter areas for security and refuge; multiple crabs benefit from diverse hiding opportunities throughout the tank to reduce competition and aggression.
• Water Flow: Moderate; adequate flow maintains food availability and water quality; gentle to moderate flow prevents stress while supporting active foraging movement by multiple crabs.
• Water Conditions: Prefer stable parameters in established reef or fish-only systems; thrive in normal saltwater aquarium conditions; benefit from consistent water quality and regular maintenance; sensitive to sudden parameter changes.
• Tank Size: Suitable for various aquarium sizes; recommend minimum 40-55 gallons for stable conditions and adequate foraging space for five crabs; larger systems provide better long-term success, natural behavior expression, and reduced inter-crab competition.
• Compatibility: Reef-safe and completely peaceful with corals; safe with most fish species; generally non-aggressive with each other in adequately-sized systems with abundant food and shelter; avoid overstocking shells or resources which may trigger territorial behavior.
• Maintenance: Minimal intervention required; monitor shell availability and replace as needed; occasionally observe to confirm all crabs show healthy foraging behavior; avoid prolonged air exposure or physical stress.
• Care Level: Easy—relatively hardy and beginner-friendly; thrive with stable water conditions, adequate shells, proper tank size, and consistent food availability.

Benefits:

• Powerhouse Cleanup: Five crabs working simultaneously create dramatically improved tank cleanliness and waste removal efficiency
• Superior Algae Control: Multiple crabs consume algae growth more effectively than single specimens, reducing nuisance algae naturally
• Enhanced Biological Filtration: Collective scavenging action significantly contributes to water quality improvement and nutrient export
• Reef-Safe: Completely safe with corals and reef ecosystems; ideal for peaceful reef systems
• Vibrant Appearance: Striking bright blue legs create beautiful visual interest and movement throughout your tank
• Engaging Behaviors: Multiple crabs display fascinating natural behaviors and interactions, providing endless entertainment
• Peaceful Nature: Non-aggressive toward fish and invertebrates; integrate smoothly into community systems
• Hardy & Reliable: Relatively forgiving once established with proper resources and stable conditions
• Exceptional Value: Five crabs provide outstanding cleanup capability and cost-effectiveness compared to purchasing individually
• Natural Pest Control: Comprehensive algae and detritus control through multiple active scavengers

Perfect For:

• Reef systems seeking powerful, reef-safe cleanup crews with vibrant coloration
• Aquarists wanting effective biological filtration with multiple engaging personalities
• Community tanks valuing peaceful, non-aggressive invertebrate crew members
• Beginner aquarists seeking hardy, easy-to-care-for cleanup crew options
• Larger established systems (40 gallons) with adequate resources and bioload supporting multiple scavengers
• Systems experiencing algae challenges or excess detritus benefiting from enhanced biological filtration
• Aquarists interested in observing fascinating crustacean behaviors and natural interactions among multiple individuals
• Collectors seeking visually striking invertebrates combining beauty with exceptional practical function

Important Notes:

Shell availability is absolutely critical for multiple crabs—ensure abundant shell options (15-25 shells for a pack of five) to prevent competition, stress, and injury. Hermit crabs without adequate shell options experience significant stress and may harm each other or die. Avoid painted or sealed shells, which can trap moisture and harm the crabs. Prefer natural, smooth shells like turbo or nerite shells. Blue Leg Hermit Crabs are sensitive to copper and certain medications—avoid copper-based treatments when possible. In adequately-sized systems with abundant resources, five crabs coexist peacefully; however, undersized tanks or insufficient food/shells may trigger territorial aggression.

My Tiny Fins Live Arrival Guarantee: Every hermit crab pack is covered by our live arrival guarantee for your confidence. Each order includes care instructions, shell sizing guidance, quantity verification, and detailed information on optimal crew integration and long-term care for multiple crabs. Shipping Policy: We ship on Mondays and Tuesdays with special packaging to ensure your hermit crab pack arrives healthy and ready to establish. As a small business, every order means so much—thank you for choosing My Tiny Fins!