Species
Clione limacina (Naked sea butterfly)
Clione limacina. Photo: (c) Tine Kinn Kvamme, some rights reserved (CC BY)
Clione limacina, known as the naked sea butterfly, sea angel, and common clione, is a sea angel (pelagic sea slug) found from the surface to greater than 500 m (1,600 ft) depth. It lives in the Arctic Ocean and cold regions of the North Pacific and North Atlantic Oceans. It was first described by Martens in 1676 and became the first gymnosomatous (without a shell) “pteropod” to be described.
Sightings
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