Sneaky squid.(Life/Adaptations)

From: Science World | Date: April 5, 2004| Author: Bryner, Jeanna | Copyright information

It's no secret: Many fish can glow using bioluminescence (light made by a chemical reaction in living tissue). But now, researchers have discovered special tissues that make the built-in nightlight of one tiny squid extraordinary.

The Hawaiian bobtail squid has an organ in its belly that works like a flashlight, says Wendy Crookes, a biologist at the University of Hawaii. The organ is home to symbiotic (mutually beneficial) bacteria. In return for a nutrient-rich home, t...

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