6 ms·
They don't really glow, they are florescent under uv light. So not in the dark in nature.
by shellfishgene 5y ago
They don't really glow, they are florescent under uv light. So not in the dark in nature.
- SturgeonsLaw 5y agoNot to us humans perhaps, but fish have additional patterning that's only visible under UV light, so UV light might make up an important part of their vision. https://royalsocietypublishing.org/cms/asset/33efdea2-5b7b-4db1-ac08-a6322cf6c301/rspb20141211f03.jpg https://royalsocietypublishing.org/cms/asset/33efdea2-5b7b-4... https://en.wikipedia.org/wiki/Vision_in_fish#Ultraviolet https://en.wikipedia.org/wiki/Vision_in_fish#Ultraviolet