PHOTOS: New "Green Bomber" Sea Worms Fire Glowing Blobs

PHOTOS: New
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The new glowing-bomb worms were discovered at depths between 5,900 and 12,140 feet (1,800 and 3,700 meters)--one of Earth's least explored regions. Four of the known Swima species swim just a few feet off the seafloor. The other three are found as far as 1,460 feet (444 meters) up in the water column.

The worms use paddle-like bristles to swim. The way they're arranged on the body allows maximum surface area during the power stroke--when the bristles are pushing against the water--for optimum thrust.

"On the recovery stroke, the [bristles] twist slightly and come together, and that decreases the drag," marine biologist Karen Osborn said in August 2009.

—Photograph courtesy Karen Osborn
 
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