Side-swimming plankton snail flaps shell like a fin

Source: Journal of Experimental Biology Amy Maas, Ferhat Karakas and David Murphy never know what they’re going to turn up when they go trawling for zooplankton. ‘We work on the swimming of various sea butterfly species’, says Murphy, adding that unlike true butterflies, sea butterflies are miniscule snails that live at depth and swim to the…

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