These kaleidoscopic swims help scientists better understand and protect our seas. Now, travelers can try it too
Explore, then protect
Whether you’re a first-time fluorescent snorkeler or a seasoned marine biologist, you’re bound to leave with new questions about the ocean. “It’s like a mystery novel that keeps going deeper,” says Gruber. Gruber first noticed biofluorescence in fish when a neon green eel was spotted in his photo research of biofluorescent coral. Over the past decade, scientists have found evidence for biofluorescence in more than 200 species of fish, including two species of catsharks, and marine turtles. But with so little research on how and why these marine animals glow, scientists have more questions than answers.
A variegated snailfish, the first species shown to biofluoresce in the Arctic, glows in both green and red, a rare example of multiple fluorescent colors in one animal. To chip away at these mysteries and better understand how light affects them, Gruber and his team create cameras that mimic the eyes of biofluorescent marine animals to see the world from their point of view.
Their research isn’t just important for science; it’s paving the way for smarter conservation practices. After all, the more we know about marine life, the better we can protect it.
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