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Sea Butterfly

Cavolinia tridentata

Description:

Tiny Cavolinia pteropod, less than 1 cm floating in the water column, seen during a night dive. This planktonic mollusc is commonly known as a pteropod, or flapping snail, a name derived from its characteristic 'wing foot'. It possesses a globose, bilaterally symmetrical calcareous shell that houses and protects the soft parts of the organism. The large mantle lobes extend beyond the shell margin and, by a flapping motion, enable movement. Feeding is performed passively whilst drifting in the plankton community by casting a large, mucous web in order to catch a variety of phytoplankton (diatoms and dinoflagellates) and zooplankton (copepods and crustacea larvae). This picture is a Sea Butterfly from the genus Cavolinia, possibly Cavolinia tridentata.

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7 Comments

AlbertKang
AlbertKang 3 years ago

Thanks, @Polilla :)

AlbertKang
AlbertKang 3 years ago

Thanks, @Daniele for another SOTD to cap an exciting year :)

Thanks too, @Machi & @Antonio for your kind words and appreciation :)

Great series Albert,awesome creature,congrats on the well deserved SOTD and thanks for sharing

DanielePralong
DanielePralong 3 years ago

Congratulations Albert, this beautiful sea butterfly is our Spotting of the Day!

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Machi
Machi 3 years ago

One of my favorite animals! Nice photos

DanielePralong
DanielePralong 3 years ago

What an extraordinary ghost-like creature Albert! Cavoliniids are fascinating.

AlbertKang
Spotted by
AlbertKang

Batangas, Philippines

Spotted on Dec 25, 2016
Submitted on Dec 29, 2016

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