Round red sea urchin body covered in long sharp spines.

Red sea urchin

Mesocentrotus franciscanus
Where at Shedd?
Oceans Polar Play Zone
Diet Kelp and algae
Size Diameter: Up to 7.5 inches (19 cm)
Type Sea urchins
Range Pacific Ocean: Northern Japan and Alaska, United States to Baja California, Mexico
Habitat Rocky shores and kelp beds in the northeastern Pacific Ocean from Japan, Alaska, Canada and United States to Baja California

Did you know?

  1. Red sea urchins can live to be 100 to 200 years old and are one of the longest lived animals on Earth.