8/05/2008

Squid bioluminescent

About 700 animal species are bioluminescent, meaning that your body is! Ability to deliver phosphorescent light. These include a type of cephalopod, Watasenia scintillans, originating in the seas of Japan.

Of seven centimeters in length and nine grams, this squid live most of the year in the abyssal depths, but each spring rises to the surface to spawn.
This moment is expected as water May by thousands of curious ... and by fishermen Namerikawa, coastal city of Toyama Bay that has developed an entire industry based on this squid.

The networks are cast between March v April, and the volume of catches of these copies fluorescent ranges between 5,000 and 7,000 tonnes per year; light their properties do not preclude a dish is very popular in Japanese cuisine.

This power squid is due to the chemical reaction of an enzyme, luciferasa, which produces light in special cells called fotocitos and collecting bodies located in 800 at its mantle ventral, five other area under the eye, and three in the tip of its tentacles.

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