Sea urchins are small, spiny, globular animals. They move slowly, feeding mostly on algae. Sea otters, wolf eels, triggerfish, and other predators feed on them (Wiki).
A Photo a day – The photo life of Emma Booysen
Sea urchins are small, spiny, globular animals. They move slowly, feeding mostly on algae. Sea otters, wolf eels, triggerfish, and other predators feed on them (Wiki).