Blue Knuckle Hermit Live Crab – Vibrant Saltwater Cleaner for Reef Aquarium

Add vibrant color and efficient cleaning to your reef with this Live Blue Knuckle Hermit Crab (Calcinus elegans). Recognized for its electric blue legs with black bands and orange antennae, this hermit crab is a hardy scavenger that helps keep your aquarium clean.

✨ Key Features and Benefits

• Striking blue legs with bold black bands.

• Helps control algae, leftover food, and detritus.

• Hardy and adaptable to a variety of reef environments.

• Peaceful and compatible with most reef-safe tank mates.

📦 What’s Included

• 1 × Live Blue Knuckle Hermit Crab (Calcinus elegans)

• Size: Between 1" and 1.5" each

• Shipped in insulated packaging with heat or cold packs as needed.

📝 How to Use

1. Acclimate slowly to your tank’s water parameters.

2. Provide extra empty shells for growth.

3. Feed supplemental foods like algae wafers, seaweed, or meaty bits.

💡 Handling Tip

While generally peaceful, hermit crabs may compete for shells—ensure multiple empty shells are available to prevent aggression.

🔍 Specimen Details

• Common Name: Blue Knuckle Hermit Crab

• Scientific Name: Calcinus elegans

• Type: Saltwater Invertebrate

• Diet: Omnivore / Scavenger

• Reef Safe: Yes

• Care Level: Easy

🚚 Shipping Policy
We ship Monday through Wednesday via UPS Overnight to ensure safe arrival. All livestock is packaged with thermal insulation and cold/heat packs as needed.

💀 DOA Policy
In the rare event of DOA (Dead on Arrival), clear photos must be submitted in the unopened bag within 2 hours of delivery. Refunds or replacements are issued at our discretion. Shipping costs are non-refundable.

🏁 Conclusion

The Live Blue Knuckle Hermit Crab (Calcinus elegans), each between 1" and 1.5", is a colorful and beneficial addition to any saltwater aquarium, offering both visual appeal and cleaning power.