Sunday, 26 January 2014

Aggressive Mantis Shrimp Sees Color Like No Other

By Stephanie Pappas, Senior Writer | January 23, 2014 02:00pm ET

The colorful mantis shrimp is known for powerful claws that can stun prey with 200 lbs. (91 kilograms) of force. Now, new research finds that these aggressive crustaceans are weird in another way: They see color like no other animal on the planet.

In fact, the 400-million-year-old visual system of the mantis shrimp works more like a satellite sensor than any other animal eye, said study researcher Justin Marshall, a neurobiologist at theUniversity of Queensland in Australia. Instead of processing ratios of stimulation from just a few color receptors, the mantis shrimp has 12 — and it seems to use them to recognize color with minimal effort.

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