New Zealand's Glowing Blue Caves

New Zealand's Glowing Blue Caves

The Waitomo Caves, located on New Zealand's north island, display glowing examples of bioluminescence. This brilliant blue glow is given off by the New Zealand fungus gnat, which glow in their larva stage. In the light of day, the colorful glow of these creatures is not evident.

What Makes The Waitomo Caves Glow?

The science behind bioluminescence.

02:47

Key Facts In This Video

  • 1

    The Waitomo Caves display glowing blue bioluminescent glowworms. (0:23)

  • 2

    The New Zealand fungus gnat glows a brilliant blue in its larva stage. (0:53)

  • 3

    The New Zealand fungus gnat suspends a fishing line of silk covered in mucus to catch prey. (1:48)

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