Horseshoe crab ancestors first appeared in the fossil record 450 million years ago. But climate change and harvesting are ...

It appears that horseshoe crab spawning is based more on water temperature than lunar cycles, according to new research from the University of New Hampshire.Researchers found that Atlantic ...

The gills also function as paddles to propel juvenile horseshoe crabs through the water. The horseshoe crab’s heart is a long tube that runs down the middle of the cephalathorax and abdomen ...

If you find a horseshoe crab overturned on the beach, you can give it a helping hand by gently turning it back over and returning it to the water.

A project to upgrade water mains and sewers in northern Queens could be deadly to scores of horseshoe crabs who are making their way from the East River to the shore for mating season. Kathryn Cerv… ...

SLAUGHTER BEACH, Del. -- On the high tides of spring, horseshoe crabs crawl out of the water to go about the business of making more horseshoe crabs. The crab has been at this for three or four ...

Tanacredi said horseshoe crabs are in dire straits due to over-harvesting for bait, consumption and loss of habitat. Of the 115 beaches the program monitors, 75 have seen horseshoe crabs disappear.

Horseshoe crabs mate in the moonlight. Why it's important ... Some males were even confusing the boots of the counter as a female crab and tried to climb on the water shoe. Don't Edit. Lori M ...