Decked out in bright pink, yellow, blue and green hues ... one of the richest underwater habitats on Earth. It's in an area known as the "Coral Triangle" that includes Papua New Guinea, the ...

Illuminated only by a full moon, underwater photographer Michaela ... the process when swimming through the reef. Shining bright light on coral can prevent a spawning event from happening, but ...

Bold hues of red, orange, yellow, blue and purple help ... or to pick a predator out of the background. Color vision also probably proved especially important underwater, where vertebrate species ...