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Photo: Carijoa coral is a vision of snowflakes

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Our photo of the day delivers a bit of winter reverie from the waters of Australia.

PhotographerJohn Turnbulldescribes this beautiful photo of snowyCarijoa octocoral(shot in the waters at Bare Island,Australia) as a "successful symbiosis." He writes:

"The orange stem of carijoa is actually a coating of encrusting sponge which lives in a symbiotic relationship with the coral.It is thought that the toxic sponge protects the coral's stem from predators,and in return the coral provides a home for the sponge.This is a very successful relationship."

In other words: Sponge and coral,BFFs.

Would you like to see your nature photo featured as the TreeHugger photo of the day?JoinTreeHugger's Reader Photo Poolon flickr and add your pictures to the group.

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