Sea stars—often called starfish—are some of the most fascinating creatures to live in our oceans. For starters, despite their name, they aren"t fish—they belong to a group of marine invertebrates called echinoderms. Like all echinoderms, sea stars are characterized by the radial symmetry of their bodies, which usually have multiple arms extending from the central disc.
Mediterranean red sea stars
Today in History
More Desktop Wallpapers:
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Short-eared owl
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Rothenburg ob der Tauber, Bavaria, Germany
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Rice terraces of Mù Cang Chải, Yên Bái province, Vietnam
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Vasco da Gama Bridge, Lisbon, Portugal
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Asian American and Pacific Islander Heritage Month
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Old Rock Day
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Happy Holi!
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The birthplace of a classic Christmas carol
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Cousins Day
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Nuwara Eliya, Sri Lanka
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In praise of the old…the very old
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Bird’s-eye view of the Golden Gate Bridge, San Francisco, California
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Birds and bees, and why they re so important
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The fantastic winter fox
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Killer whales in Spildra, Norway
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World Lizard Day
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Wild scene on the Merced River
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Laguna de Torrevieja, Spain
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Arches National Park anniversary
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Waitangi Day in New Zealand
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Happy St. Patricks Day!
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International Lighthouse Weekend
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A young bull moose in Denali National Park, Alaska
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What kind of bird laid these eggs?
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Oxbow Bend on the Snake River, Grand Teton National Park, Wyoming
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50 years of the Endangered Species Act
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National Bison Month
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My my, it s Syttende Mai
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Cenote near Puerto Aventuras, Mexico
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Riding the bore tide at Turnagain Arm, Cook Inlet, Alaska
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