Saltwater Aquarium Crabs for Marine Reef Aquariums: Electric Blue Hermit Crab
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Electric Blue Hermit Crab
Due to variations within species, your item may not look identical to the image provided.
Electric Blue Hermit Crab (Calcinus elegans)
Additional locals and sizes may be available!

Quick Stats

Care Level Easy
Temperament Peaceful
Reef Compatible Yes
Water Conditions 72-78° F, dKH 8-12, pH 8.1-8.4, sg 1.023-1.025
Max. Size 2"
Color Form Black, Blue, Orange
Diet Omnivore
Supplements Calcium, Magnesium, Iodine, Trace Elements
Compatibility View Chart
Origin Indonesia, Marshall Islands
Family Diogenidae
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Overview

The Electric Blue Hermit Crab, a very rare find, originates exclusively from the Marshall Islands. This crab has electrifying blue legs with black banding, and its antennae stand out with its bright orange color. Both claws are close to being equal size, and are brownish green in color. This tiny crab lives in abandoned snail or triton shells, or it may resort to attacking and eating a snail so it can use the shell for its home.

The Electric Blue Leg Hermit Crab is a valuable addition to an aquarium because it will eat algae including green hair algae and cyanobacteria. In addition, it provides valuable aeration by sifting through the sand. This is one Hermit Crab that is reef-safe.

If there is an insufficient amount of algae present, the Electric Blue Leg Hermit Crab will need to be fed dried seaweed.

Approximate Purchase Size: 3/4" to 1-1/2"

Customer Testimonials

Randi T Las Cruces , NM
These are pretty, and very active. The ones that I recently got from LiveAquaria all survived & immediately adapted. They keep trading off shells, which is fun. They have done much better than the Halloweens. I lost two of the Halloweens shortly after arrival. These little Electric Blue guys are fun.
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