Mnemiopsis leidyi, the warty comb jelly or sea walnut, is a species of tentaculate ctenophore (comb jelly). ...

In this collage of videos made in two different dives a few days apart but always in the same stretch of sea we filmed one of the many species of ctenophores that inhabit our Mediterranean Sea, from some research it seems to be the Bolinopsis infundibulum or tentacled Ctenophore.  ...

Also this year we met the Mnemiopsis leidyi, Warty comb jelly - Sea walnut. Fortunately, we have seen only a few of them, so at least for now there hasn't been the invasion of Mnemiopsis leidyi that we witnessed a few years ago. Warty comb jelly Sea walnut Noce di Mare Mnemiopsis leidyi ...

Also this summer we are witnessing the invasion of the Mnemiopsis leidyi or Sea walnut. This year we are in early July and the sea water is slowly warming up as always in summer. Punctually after a short and intense sea storm we witness an invasion of jellyfish, plastic, tree trunks and branches, various floating debris and as now every year also the Mnemiopsis leidyi, the now infamous Sea walnut. ...