48.9 MB (6.7 MB compressed)
5021 x 3403 pixels
42.4 x 28.7 cm ⏐ 16.7 x 11.3 in (300dpi)
JIM ZIPP / SCIENCE PHOTO LIBRARY JIM ZIPP / SCIENCE PHOTO LIBRARY
Ochre sea stars. View of ochre or purple sea stars (Pisaster ochraceus), a type of starfish. They are out of the water as the tide is out. Starfish are marine echinoderms whose arms radiate out from a central body. The arms of this starfish can reach 14 cm in length. They move using tube feet located on the underside of these arms. The tube feet can also act as suckers to manipulate food towards their mouths, which are also on the underside of their bodies. Most starfish are carnivorous. Though they have no brain, their simple nervous system responds well to sensations of taste, touch, smell and light. Photographed in Olympic National Park, Washington, USA.
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