Photo of the Day #855: Horseshoe crab

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A horseshoe crab (Limulus polyphemus), photographed at Cape Henlopen State Park, Delaware.


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A horseshoe crab (Limulus polyphemus), photographed at Cape Henlopen State Park, Delaware.This weekend I'm headed off to see the annual breeding explosion of horseshoe crabs (Limulus polyphemus) in Delaware Bay. During late May and early June, especially during the full and new moon, scores of the…
A horseshoe crab (Limulus polyphemus), photographed at Cape Henlopen State Park, Delaware.
The picked-over remains of a horseshoe crab (Limulus polyphemus), the tracks around it being a dead giveaway as to who enjoyed a breakfast of rotting chelicerate. Photographed on May 17, 2008 at Cape Henlopen State Park, Delaware.
A horseshoe crab (Limulus polyphemus), photographed at Cape Henlopen State Park, Delaware. Many of the crabs that were stranded on the beach, but still alive, dug themselves into the sand near the water to stay moist during low tide.

Such beautiful animals. I was at the shore last autumn and was trying to get one washed ashore back into the ocean (a bit timidly, it was later I learned that they are pretty much harmless) and was simply amazed at their anatomy. It is interesting how the species has remained evolutionary stable for so long.