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Marshall Island Hermit Crab

Marshall Island Electric Blue Hermits Taxonomy: Marshall Island Electric Blue Hermits belong to the Kingdom Animalia, Phylum Arthropoda, Class Crustacea, Order Decapoda, Family Diogenidae, Genus Calcinus and Species elegans...

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An outstanding hermit crab, not for the clean up crew, but as a show piece featured

Comments Care of this crab is the same as other hermits you keep in your tank and so is its level of reef compatibility. With one minor exception, if your tank does not have enough algae in it, you will need to feed dried seaweed to your Electric Blue. They are omnivorous, but seem to need algae as part of their diet for full health and longer lifespan. As always, keep a few empty shells in the tank or else it will take what it needs from something living, and kill it or get killed in the process.

It does tend to be somewhat more shy, often finding a place to hide and coming out more in the morning and the evening hours. I had no issues with this crab either picking corals or bothering other livestock, including smaller crabs, it simply went about its business and gave me no problems. Like most small hermits they live between 2-3 years. Some aquarists have reported getting 4-5 years but that was in an aquarium where the crabs needs were the primary focus. Which brings up a good point, two or three in a 5.5 gallon aquarium with a few corals and no fish, make a great display, such are the bright colors of this crab.

Liked about it 1. Very bright colors.
2. Eats algae and detritus.
3. Reef and other invertebrate safe.

Didn't like 1. Shy (but with predictable behavior).
2. Costs more than your average hermit crab.
3. Difficult to find in your local fish shop. If you find one, snatch it up!

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By tcamos
Jul 29, 2010
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