Blue Ocean Slug
Glaucus atlanticus (common names include the sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug and blue ocean slug) 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. Glaucus atlanticus makes use of Countershading : 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 sunlight reflecting on the ocean's surface when viewed upwards underwater.
When traveling on the beach, and find this beautiful creature, you must be careful. Because this animal is called the blue dragon sea snail, the sting of this soft bodied animal is like a dragon sting.
But take it easy, this animal is rarely found in Indonesia, although it is possible to be found under certain conditions.
Animals with the scientific name Glaucus atlanticus, they live in temperate and tropical waters.
Their habitat is most widely distributed on the east and south coasts of South Africa, European waters, the east coast of Australia and Mozambique.
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