Glaucus atlanticus is a species of small, blue sea slug, a pelagic aeolid nudibranch, a shell-less gastropod mollusk in the family Glaucidae. These sea slugs are pelagic: they float upside down by using the surface tension of the water to stay up, where they are carried along by the winds and ocean currents.
Did you know: The blue glaucus occurs in temperate and tropical waters throughout the world's oceans.
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7/20/2019, 3:55:22 PM