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Glaucidae: Glaucus atlanticus Forster, 1777 (‘blue sea-slug’)
Synonym(s): atlanticus Forster, 1777.
Typical body-length 40 mm. Lives afloat on ocean surface. Native. Occurs all around Australia (QLD, NSW, TAS, VIC, SA, WA and NT); also widespread in warmer oceanic waters worldwide.
Classification
Class: Gastropoda
Subclass: Heterobranchia
Order: Cladobranchia – Aeolidida
Superfamily: Aeolidioidea
Family: Glaucidae
Genus: Glaucus
Localities for Glaucus atlanticus
![species image](https://molluscsoftasmania.org.au/wp-content/uploads/2017/07/no_image.jpg)
![locality map](https://molluscsoftasmania.org.au/wp-content/uploads/2018/03/Glaucus-atlanticus.jpg)