By Afiur
October 26, 2025
From deep-sea creatures to forest insects, some animals naturally glow in the dark using bioluminescence — their built-in light source. These glowing wonders light up oceans, caves, and night skies, t
These little flying lanterns light up summer nights across North America. Fireflies use their glowing tails to attract mates and communicate. Their bioluminescence is a natural chemical reaction — no
Lurking in the ocean’s darkest depths, anglerfish use a glowing lure on their heads to attract prey. The glow comes from bioluminescent bacteria living inside their lure — it’s both creepy and genius,
This transparent jellyfish from the Pacific Ocean glows bright green thanks to a special protein called GFP — the same one scientists now use in labs worldwide. Its glow helps ward off predators and m
One of the ocean’s most common glowing creatures, lanternfish have light-producing organs called photophores along their sides. They use them to communicate, camouflage, and attract mates in the deep
Found in caves and forests, glow-worms dangle sticky silk threads that shimmer with blue-green light to attract insects. These glowing traps are as beautiful as they are deadly — a mesmerizing way to
This small but fierce shark has glowing underbellies that help it blend in with the ocean light above. It uses its bioluminescence as camouflage — then sneaks up to take circular “cookie-shaped” bites
These microscopic ocean organisms make waves literally sparkle at night. When disturbed, they emit a stunning blue glow that lights up beaches from California to the Caribbean. Their bioluminescence t
This bizarre beetle larva glows in two colors — red on its head and green along its body. The red light helps it hunt in the dark without being seen by other glow-hunting predators. It’s nature’s vers
Another ocean beauty, the crystal jellyfish shines like a floating chandelier. Its bell glows green or blue when disturbed, creating a hypnotic underwater light show. Scientists first discovered the g
Living in tropical reefs, flashlight fish have bioluminescent bacteria inside small pockets under their eyes. They can switch their lights on and off like headlights to communicate, navigate, and find