In the waters of the Great Barrier Reef, a magical light show begins when the sun goes down…
Neon Corals
These colourful corals soak up sunlight during the day. At night, they can glow bright purple, pink, or green, helping to protect themselves and support their tiny algae partners.
Glowing Sea Turtles (Hawksbill)
These amazing turtles are the first reptiles ever discovered to glow! Under special blue light, they shine in neon reds and greens.
“Disco” Worms (Marine Worms)
These wriggly creatures release glowing clouds like underwater fireworks, helping them find friends and start their own ocean disco!
Sea Sparkle Makers (Plankton)
Tiny plankton called Noctiluca scintillans drift through the water like stars in the night sky. When disturbed, they flash bright blue light to scare away hungry fish.
Lampshade Snails (Clusterwink Snail)
When frightened, these clever snails flash a bright green light inside their shell, just like Rana the Tree Frog, who turned green when she was afraid! The shell spreads the glow like a lampshade, making them look bigger and spookier to any hungry creature thinking about a snack.
All this glowing magic is called bioluminescence. This is a special way living things make their own light. Just like Crocodylus Scorpius did when he was struggling deep in the dark ocean. He would have loved this glowing world. Imagine diving deep into the ocean, where it’s darker than night. Then suddenly… sparkles swirl around you, jellyfish drift past like glowing moons, and tiny lights flicker in the distance. In a place where sunlight can’t reach, these glowing creatures make their own light, turning the deep ocean into a magical underwater light show.
You can find these facts and more in the following great resources:
- Great Barrier Reef Foundation: Why do corals glow in the dark?
- Australian Geographic: Bioluminescent beauties: Australian creatures that glow.
- Museums Victoria: Understanding bioluminescence and biofluorescence.
- SEA LIFE: Illuminating Creatures.
