Small eel photographed by accident on coral reef is first green fluorescent fish ever recorded

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well, first natural anyway :smile:


And what about the poor octopus, no press for it. :frowning:

It’s interesting that instead of being bioluminescent they need light from an outside source in order to activate their fluorescence, like a glow-in-the-dark watch dial. When I was a kid in the '60s I had a handheld ultraviolet lamp for examining fluorescent mineral specimens, back when such equipment was fairly expensive. The coral and eel look as beautiful as any of those minerals.

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