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Deep sea dwellers, the basket star uses its long, twisting arms to snag zooplankton...
Sea stars creep along the seafloor using hundreds of little tube feet. These tube...
Diver With Shark
Christian McDonald, the Scientific Diving Safety Officer at the Scripps Institution...
Laurie Penland is a professional photographer and the Diving Officer for the...
Ice divers use a quadrat to study the density of creatures living on the underside...