Viperfish

The **viperfish** is a deepwater fish in the family //**Chauliodus**//, with long, needle-like teeth and hinged lower jaws. They grow up to 1-2 feet. Viperfish live in depths of around 250–5,000 feet. Viperfish mainly stay in tropical and temperate waters. It is one of the fiercest predators in the very deep part of the sea and is believed to attack its prey by luring the victim close to itself with a light producing organ. This organ is called a photophore and is found on the end of its spine. It flashes its light on and off while at the same time moving its spine around like a fishing rod and laying completely still in the water. It also uses bioluminscent body to attract mates. ** Body Structure ** Viperfish vary in color between green, silver and black. It uses its fang-like teeth to paralyze its prey. The viperfish is not able to close its mouth because its curved fangs would go into its head. They are able to undergo long periods with scarce or no food. Viperfish live up to 30 years to 40 years but in captivity rarely live more than a few hours. Some species of dolphins and sharks are known to prey upon viperfish. The viperfish can swim at a speed of 4 feet per second.
 * Basic Information **

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