The Puffer Fish

1Presentation by Hoel SEZNEC

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 waterThey can grow up to 70.0 cm. 

2

Its food

Algae

Mollusks

Invertebrates

crustaceans 

3

Its defenses

It inflates its body

It poison his prey, enough poison to kill 30 humans

It doesn’t fear its environment

4

Japanese like it in sushi !

5

Its poisonThe Second most poisonous vertebrate on earth,

Poison = tetrodotoxin =lethal poison=1200 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

6

Its poisonNo antidote,

It paralyze muscles => death by asphyxiationThe victim stays conscious,

A medical approach is to support the respiratory and circulatory system,

7

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,

8

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.

9

An other use of the poisonMedical use : Anesthetic Better than any opium or morphine No dependance

10

The puffer fish video

11

12