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Glowing Fish Help Scientists Protect Coral Reefs
Aug . 27 / 2018

Scientists have devised a new method to count fish on reefs ... using blue light.  Many species of reef fish are bio-fluorescent which means they glow under blue light so by using this technique researchers are able to see and count highly camouflaged species and make a better assessment of the health of a reef.

Click link to read more ...

https://theconversation.com/now-you-see-us-how-casting-an-eerie-glow-on-...