limulus polyphemus

Looks at how horseshoe crabs migrate to the coast to lay their eggs.

A basic introduction to horseshoe crabs, discussing their physical characteristics, habitat, activities, and diet.

Examines species of animals and plants that have retained their traits throughout evolutionary history, remaining essentially unchanged for four billion years.

Photographs and text provide information about a variety of crustaceans while introducing the numbers one through ten.

One June night, a young boy watches as many, many horseshoe crabs come ashore to lay their eggs.

Describes the physical characteristics, habits, and life cycle of this ancient arthropod and discusses its importance to medical research.

A basic introduction to horseshoe crabs, discussing their physical characteristics, habitat, activities, and diet.

An alphabet book providing factual information on sea horses and various crustaceans.

Describes the physical characteristics, habits, life cycle, and conservation of horseshoe crabs.