Phyllodesmium briareum (Bergh, 1896) [Ennoia]
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Phyllodesmium briareum feeds like other species of Phyllodesmium on
It rapidly drops off many of its cerata when disturbed
This photo shows 2 specimens mating.
The rows of brown specks in
this photo are one-celled plants
[zooxanthellae] which are nurtured in specialised ducts of the aeolid's digestive
gland, where they continue to grow, reproduce and photosynthesise, providing
nutrients for the aeolid. Bill Rudman calls this
"Solar-powered Sea Slugs".
More information on Phyllodesmium briareum are on
Bill Rudman's Sea-Slug Forum!
How to cite:
Köhler, E. (2019), published 3 December 2019, Phyllodesmium briareum (Bergh, 1896)