Atlantic Horseshoe Crab
Atlantic Horseshoe Crab
Limulus polyphemus
Animalia
VULNERABLE

Stats

Lifespan
10-20 yrs
Size
Huge
Diet
Carnivore
Activity
Nocturnal
Social
Solitary
Biome
Coastal marine
Range
North America
Movement
Walking
Breeding
Egg-laying
Defense
Armor
Status
Vulnerable

About

The Atlantic horseshoe crab is a living fossil that has remained virtually unchanged for over 445 million years — older than the dinosaurs. Its milky-blue blood clots instantly on contact with bacterial toxins and is harvested to safety-test vaccines and medical devices worldwide.

Life cycle

  1. 1.
    juvenile
    A clearly-young animal, past the newborn phase but well short of full adult size.
  2. 2.
    adult
    Fully grown.

Learn more

Taxonomy

Kingdom
Animalia
Phylum
Arthropoda
Class
Merostomata
Order
Xiphosurida
Family
Limulidae
Genus
Limulus
Species
Limulus polyphemus