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urchin
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giant purple sea urchin
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Sea otter (Enhydra lutris), also called great sea otter, rare, completely marine otter of the northern Pacific, usually found in kelp beds. Floats on back. Looks like sea otter laughing. saltwater otters
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Lion (panthera leo)
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Leonardo da Vinci (1452-1519), Italian Renaissance painter from Florence. Engraving by Cosomo Colombini (d. 1812) after a Leonardo self portrait. Ca. 1500.
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giant purple sea urchin
giant purple sea urchin Giant purple sea urchin (Strongylocentrotus purpuratus).

urchin

echinoderm
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urchin, any of several marine invertebrates of the class Echinoidea (phylum Echinodermata), including the cake urchin, heart urchin, and sea urchin (qq.v.).

This article was most recently revised and updated by Amy Tikkanen.