Question

What do urchins eat?

Answer 1

Sea urchins mainly eat algae, but some also eat seaweed. When their average food is unavailable, like lots of animals at the moment, they will resort to trying new foods, like animal remains, sea cucumbers, mussels, sponges, brittle stars, crinoids, etc.

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Answer 2

"Most representatives of this species are omnivorous. Sea urchins eat a variety of algae, mollusks, sponges, carrion, as well as starfish and sea urchins of smaller size. Some representatives of this species are known for the power to catch and eat a mantis cancer."

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