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Home Improvement: A hermit crab with anemones

By Leonard Ho - Posted Sep 01, 2016 09:00 AM
Some hermit crabs (Dardanus spp.) have formed symbiotic relationships with anemones on their shells. Jonathan Bird recorded this amazing footage of one such hermit crab changing shells, then transferring anemones to its new home!

This mutualism benefits the hermit crab by giving it an additional layer of camouflage and protection (ie. anemones with stinging cells) while the anemone, Calliactis polypus, benefits by sharing food with a mobile hermit crab.

Many people have thought that these crabs abandoned the anemones during shell changes.  However, as this incredible video shows, some crabs choose to take their prickly partners along with them.

Author: Leonard Ho
Location: Southern California

I'm a passionate aquarist of over 30 years, a coral reef lover, and the blog editor for Advanced Aquarist. While aquarium gadgets interest me, it's really livestock (especially fish), artistry of aquariums, and "method behind the madness" processes that captivate my attention.


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