The sea butterfly is a tiny sea snail that swims by flapping its enlarged foot like wings to elegantly soar through the open ocean.
And if that does not astonish enough, these small creatures have mastered a very unusual technique: They hunt by sneezing.

Limacina helicina   © Alexander Semenov

Thecosomata is the scientific name of these molluscs which are common all over the world’s oceans. This species is pelagic, which means it is distributed in the open ocean, away from the shore and close to the surface. They float with the currents or swim by flapping slowly with two wing-like lobes, or parapodia, which propel this little animal through the sea.
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