| The combination of an enhanced ability to filter-feed and the presence of multiple types of symbionts enables these Bathymodiolid Mussels to survive farther from the direct sources of vent water, relative to the clams and the tube worms. These mussels were photographed on the East Pacific Rise at 9¡50' N. (© Woods Hole Oceanographic Institution, Deep Submergence Operations Group, Dan Fornari) |
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