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 #seaswallow#blueangel#blueglaucus#bluedragon#blueseaslug#blueoceanslug#slug#blue#sea#ocean
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Kamila Leonczyk