FRILLED SHARK

Jul 14, 2010 Lorenzo Martinez Bernal CURIOSITIES 2

FRILLED SHARK

AND AT THE DAWN OF TIME, THE GREAT CAPTAINS plying THE MOST HINOSPITOS CORNERS OF THE PLANET, CREATURES spoke of inhabiting terrifying FUNDS OF THE SEAS.

FRILLED SHARK

The eel shark (Chlamydoselachus anguineus) It is a kind of elasmobranch hexanquiforme of family Chlamydoselachidae, considered a living fossil that has barely evolved since ancient times.

His appearance is reminiscent of a snake or an eel (hence its name). You can reach 2 meters in length. It is dark gray or brown. It has six slits brtabnquiales. Its dorsal fin is small, the anal fin is large and asymmetric flow flap. Has small teeth and finished three points.

It can be found in all oceans, but very rarely in shallow waters. This is a very rare and difficult species to see. Apparently he lives at great depths of between 600 Y 1.200 meters (oceanic divisions: Mesopelágica – bathypelagic), where food mainly squid and other cephalopods (photic zone).

Reproduction is not known in detail, but like many other sharks take their live young (ovoviviparidad), in groups 2 a 12. Pregnancy can probably last from one to two years.

In the windows of San Sebastian Aquarium it is preserved from 1925 one of these strange specimens alcohol, a female measuring 1,86 meters in length. This specimen was captured 15 December 1925 some 13 miles from the port of San Sebastian. Since then he has exhibited in the Palacio del Mar of San Sebastian.

He 23 January 2007 a group of fishermen alerted the navy personnel Awashima in Shizuoka, by the sighting south of Tokyo of a "strange fish-eel with sharp teeth like razors". The fish 1,6 m in length and 7,5 kg weight was identified as a shark-eel and captured by staff. The shark died a few hours after capture apparently because of his poor health (see photo Reuters). This was the second time in ten years that a shark folds is located in the Japanese coast, but the only time that has been captured alive, allowing scientists to understand a little more this marine relic. The shark was frozen pending scientific research and later dissected overlooking exposure.

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