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The Better to See You With

The Better to See You With

April 13, 2012

Out in the open ocean, long, thin alciopid worms swim spiraling through the water or curl into a circle when at rest. They have fragile, transparent bodies, some reaching a foot long, and remarkable big red eyes (lower left) that are as complex and developed as the eyes of a fish or octopus. Alciopids live from the surface to hundreds of meters deep and are predators, probably on soft-bodied animals like small jellyfish. WHOI scientists found this specimen on a research expedition in Antarctic waters.

(Photo by Larry Madin, Woods Hole Oceanographic Institution)