Mediterranean fire worm crawling on seaweed.

The white cotton like organs on the fire worm are the stinging nematocysts which can be exended to cover a larger area when the animal feels threatened

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Photo credit: © B. Mete Uz / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: algae, annelid, crawling, fire, irritant, marine, mediterranean, nematocyst, poisonous, sea, sting, stinging, underwater, worm