False fire urchin (Astropyga radiata, red) and a long-spine urchin (Diadema setosum, black). Sea urchins feed mainly on algae, but will also eat inver

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False fire urchin (Astropyga radiata, red) and a long-spine urchin (Diadema setosum, black). Sea urchins feed mainly on algae, but will also eat invertebrates such as mussels, sponges and brittle stars. Photographed in Lembeh Strait, North Sulawesi, Indonesia.

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Size: 3401px × 5120px
Photo credit: © GEORGETTE DOUWMA/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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