Arthropod: Horseshoe Crab

By: Haley Rhoden

Scientific Name

The scientific name for the Horseshoe crab is the Limulidae xiphasura.


The Horseshoe Crab lives mainly in the tundra and rain forests. They were on the Earth before the dinosaurs, too.

Geographical Home

You can find this arthropod on land and in shallow water.

Body Shape and Description

The Horseshoe Crab is round with a long tail. They have a hard shell and nine eyes. Its head it the largest part on its body that contains the brain, heart, and other organs. The abdomen is the triangular part below the head that looks like it has spikes on it.
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Feeding Habits

The Horseshoe Crab is a predator or carnivore. It east small clams, worms, and other animals. It crushes its food up with its tail and then passes it to the mouth.

Life Cycle

Egg to Larvae to Juvenile to Adult to Mortality

The eggs are found from the low-water line to the spring high-tide line. The female lays about 80,000 eggs. A baby Horseshoe Crab is the size of your finger tip and they may live for 18 years.

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