Blue Dragon (Glaucus atlanticus). Small slug that measures only about 2 cm and is generally associated with the Portuguese man of war (Physalia physalis), although it also usually appears in intertidal pools. Marine invertebrates of the Canary Islands, Tenerife.
Sergio Hanquet / Biosphoto
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Image size: 5739x3830 pixels (19.1"x12.8" @300dpi)
Shooting date : 2020-09-04