Tag: bioluminescence

Look At This: A Shrimp Vomits A Glowing Cloud

By Ashley P. Taylor | October 12, 2012 12:44 pm

glowing shrimp

Startle this Parapandulus shrimp, and it will spit a glowing cloud in your direction, illuminating you for predators to see.

To produce these van Gogh-like swirls, the shrimp vomits up chemicals that react together to produce light. This particular shrimp was photographed in the Bahamas, during an expedition in the  Johnson-Sea-Link submersible near the sea floor.  The mission? To poke sea creatures and see if they would glow.

Check out more bioluminescent animals at National Geographic News.

Shrimp photo via by Sönke Johnsen NOAA-OER/National Geographic News

CATEGORIZED UNDER: Living World

Look at This: Glowing South American Roaches Mimic Toxic Beetles

By Veronique Greenwood | August 23, 2012 10:25 am

roaches

Under normal light, this roach looks normal enough. But under a fluorescent light, its three spots—two large ones and one very tiny one just visible under the right spot—light up like a Christmas tree.

This remarkable species of South American cockroach, Lucihormetica luckae, owes its fluorescence to bacteria. The spots on the dark brown area of its carapace are pits inhabited by microbes that glow under fluorescent light.

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CATEGORIZED UNDER: Living World
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