Glaucus atlanticus (commonly known as the sea swallow, blue angel, blue glaucus, blue dragon, blue sea slug and blue ocean slug) is a species of small-sized blue sea slug, a pelagic aeolid nudibranch, gastropod mollusk in the family Glaucidae. It is closely related to Glaucus marginatus, which is sometimes included in Glaucus.
Similar species: Sea Slugs

By Sivarathan Sivarajah
All rights reserved
Uploaded Dec 26, 2015. Captured Dec 25, 2015 14:31 in AB21, Kankesanturai, Sri Lanka.
comments (13)
Posted 9 years ago
https://en.wikipedia.org/wiki/Glaucus_%28gastropod%29 Posted 9 years ago
http://www.theskepticsguide.org/weird-wildlife-wednesday-glaucus-atlanticus
http://www.projectnoah.org/spottings/709626004 Posted 9 years ago, modified 9 years ago