Some Europeans have simply factored Pelagia noctiluca into their beach experience.
The males of the Lampyris noctiluca family, he reports with apparent approval, are choosy in picking their mates.
How do the firefly and the glowworm blink their lights? How does the jellyfish called ctenophore and the tiny, multitudinous noctiluca flash in the sea? And two score other fish .