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Description
Notarchus is a genus of sea hares in the family Aplysiidae and is accepted in WoRMS. It lives in shallow water in the Indian Ocean, the Pacific and the Mediterranean, and N. punctatus is confirmed from the Mediterranean. Diet varies between species (one feeds on the green alga Caulerpa), and Wikipedia recognises at least two living species, N. indicus and N. punctatus.
Identification
The parapodia are almost completely fused, forming a cavity with a small anterior opening. The animal sucks water in through it and squirts it out behind, escaping by jet-propelled somersaults. There is no external shell.
Species in this genus (1)
Share link: https://seaslugs.org.il/genus/Notarchus/