Although the horseshoe crab is not on the endangered species list, maybe it should be. Their rapid decline in numbers has brought a number of other animals dependent on them for food dangerously close to extinction.
There are many animals that would probably not survive if horseshoe crab populations continue to decline.
The red knot, which has been getting a lot of attention in recent years depend on horseshoe crab eggs in the Delaware Bay area to fatten up so that they can complete their 9,300 mile migration From the tip of southern South America to their Arctic breeding grounds and still have enough energy to still nest when they get there.
Loggerhead sea turtles also a endangered species need the horseshoe crabs as a food source in order to survive.