junegames: seatrench: Chambered Nautilus (Nautilus pompilius) (source) How does it swim!? Nautiloids
junegames:seatrench:Chambered Nautilus (Nautilus pompilius)(source)How does it swim!?Nautiloids swim by jetting water out of a siphon. It’s slightly visible under the tentacles (cirri) in these gifs, but it’s more visible in this picture(source) -- source link
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