The Puffer Fish

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The Puffer Fish
Presentation by Hoel SEZNEC
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Background About the Puffer fish

• more commonly known as the Japanese puffer fish.
• There are nearly 100 kinds of puffer fish
  worldwide.
• Live in salt water or fresh
• water
• They can grow up to 70.0 cm. 

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Its food

• Algae
• Mollusks
• Invertebrates
• crustaceans 

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Its defenses

• It inflates its body
• It poison his prey, enough poison to kill 30
  humans
• It doesnt fear its environment

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Japanese like it in sushi !
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Its poison

• The Second most poisonous vertebrate on earth,
• Poison tetrodotoxin lethal poison1200 more
  deadlier than cyanide,
• It is possibly that a human can survive to a bite
• Otherwise death is possible in 30 minutes
• It is use in voodoo to make zombies

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Its poison

• No antidote,
• It paralyze muscles gt death by asphyxiation
• The victim stays conscious,
• A medical approach is to support the respiratory
  and circulatory system,

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Where come from the poison?

• The poison is located on intern organs
• Liver, ovaries, skin, testes, intestines.
• The poison is made by a toxin located on algae.
  The puffer fish eat the bacteria and digest it to
  make the poison,
• - If the puffer fish is raised in artificial
  place it is not poisonous,

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Where come from the poison?

• It is the same poison in the cone snail or the
  blue-ring octopus
• The bacteria are located on red limestone algae
  at -100 m
• It is the pseudomonas and vibrion.

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An other use of the poison

• Medical use
• Anesthetic
• Better than any opium or morphine
• No dependance

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The puffer fish video
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