Common starfish
(Asterias rubens)

Animalia / Echinodermata / Asteroidea / Forcipulatida / Asteriidae / Asterias

Predation Carnivory

Green sea urchin
(Strongylocentrotus droebachiensis)

Animalia / Echinodermata / Echinoidea / Camarodonta / Strongylocentrotidae / Strongylocentrotus

Cases