Horseshoe crabs also have 10 eyes—a pair of compound eyes on the front shell and more photo receptors along their tail. Horseshoe crabs’ bodies are divided into three segments. The head ...

According to curator Kojiro Azumakawa, the horseshoe crab has a bowl-shaped smooth shell, spiny body, crab- or spider-like legs and a long, stout tail. It is a “living fossil” whose appearance ...

The age of dinosaurs may have ended 65 million years ago, but not all creatures from their era disappeared. Some prehistoric ...

In place of white blood cells, they have cells known as amebocytes, which are extremely effective at detecting bacterial ...

First come the horseshoe crabs. Hoisting their round, tank-like shells, they trundle out of the Delaware Bay under the first ...

This body of work should be both original and outstanding. Laurent Ballesta (France) goes looking for horseshoe crabs in the protected waters of Pangatalan Island, the Philippines. Laurent used a tiny ...