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500 million years ago

Horseshoe crab spawning on a Spring high tide in the Delaware Bay. For 500 million years on spring high tide thousands of crabs have been crowding beaches all over the world. Civilizations rose and fell, climates changed, dinosaurs emerged and went extinct, but the crabs were still there, precise like a clock. Now horseshoe crab populations are declining, perhaps due to overfishing for bait.

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Photo details

  • Uploaded on December 7, 2010
  • Attribution-No Derivative Works
    by Konstantin Khrapko
    • Camera: Panasonic DMC-GH1
    • Taken on 2010/05/29 11:02:02
    • Exposure: 0.040s (1/25)
    • Focal Length: 32.00mm
    • F/Stop: f/5.000
    • ISO Speed: ISO1000
    • Exposure Bias: 0.33 EV
    • Flash fired