Pale blue-white sea anemone with long, thin tentacles surrounding a round center.

Aggregating anemone

Anthopleura elegantissima
Where at Shedd?
Polar Play Zone
Diet Crustaceans, organic matter, small fish
Size Height: up to up to (6 cm); diameter: up to (5 cm)
Type Corals & Anemones
Range East Pacific Ocean, from Alaska to northern Mexico
Habitat Rocky, semiprotected areas near the shore

About the Aggregating anemone

The aggregating anemone is a tube-shaped animal that is crowned with tentacles. They grow in masses, as the name implies, that may be up to 20 meters in diameter with up to 100,000 animals.