March 31, 2023


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Glaucus Atlanticus-about Blue Sea Slug

Blue Sea Slugs

Glaucus atlanticus or known as blue sea slugs and blue ocean slug is a species of small sea slug and it’s shell-less gastropod mollusk in the family Glaucidae….

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This sea slug are pelagic

Tt  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. Glaucus atlanticus is camouflaged: the blue side of their body faces upwards, blending in with the blue of the water. The silver/grey side of the sea slugs faces downwards, blending in with the silvery surface of the sea.

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This blue sea slugs feeds on other pelagic creatures, including the venomous siphonophore, the Portuguese man o’ war. This sea slug stores stinging nematocysts from the cnidarian within its own tissues as defense against predation. Humans handling the slug may receive a very painful and potentially dangerous sting.-

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