Maybe it was the dead fish, or even the horseshoe crab.
And those horseshoe crabs - they look like they're 40 million years old.
The same behavior can be seen in modern horseshoe crabs.
If they are kept moist, the horseshoe crab can live on land for many hours.
I wondered if you could put a price on watching horseshoe crabs with your children.
Perhaps this is why the horseshoe crabs developed the habit.
Once on the beach, the horseshoe crabs don't waste time.
"The horseshoe crab is frightening to a lot of people," he said.
Horseshoe crabs have two large compound eyes on the sides of its head.
The eyes of horseshoe crabs can detect movement but not form images.
The Japanese have always been able to buy live king crabs.
Large numbers of king crab are also caught in Russian and international waters.
King crab is typically caught at the southern end of the continent.
King crabs had once been thought to be confined to cold waters.
The red king crab is the most prized of the three for its meat.
King Crab was thrown backwards, yet did not roll over.
In Japan, an average of 120,000 larvae were released from each blue king crab.
There are at least two species of king crabs found in the coastal zone.
Among the many animals that may be affected are king crabs and shrimp.
The pot is then brought on board the boat and the crew sorts the king crab.