by Marco Faimali
...U-UFO!!.....(Underwater Unidentified Flying Organism) This species of very large, strong-swimming sea slug (spanish dancer, Hexabranchus sanguineus) is one of the largest of all nudibranchs: in this case more than 60 cm in length.

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by Marco Faimali
..under my soft umbrella!!

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by Marco Faimali
Djibouti giant (Hexabranchus sanguineus) one of the world's biggest nudibranch (in this case more then 40 cm in length).

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by Marco Faimali
Another macro close-up shot of the sea anemone Radianthus magnifica

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by Marco Faimali
inter-species connection!

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by Raffaele Livornese
Emperor shrimp on nudibranch

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by Martin Genov
Clown fish in Nosy Be, Olympus TG-6, Isotta housing, Backscatter M52 wide lens, 2x INON S-2000

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