Puffer fish are small to medium sized fish. It expands 2 to 3x of its natural size when feeling threatened by absorbing in large amounts of water. They are popular aquarium fish. Puffers have large bug-eyes which move independently adding to their folksy charm. Its scientific name is Tetraodontidae. Its lifespan is 4 to 8 years. It size is about 3 ft (1m).


                Puffer fish diet includes mostly invertebrates, Algae, mollusks, crustaceans, shrimp, oysters, crayfish and worms.


                Sharks eat puffer fish and appear to be immune to their poison.


                The poisonous part of puffer fish is its gallbladder. It ingests poison producing bacteria that it stores in its liver and gallbladder. If it is injected, then there is no treatment involving emptying the stomach, ingesting charcoal to bind the poison and maintaining life support until the victim recovers.


  • Average lifespan of the puffer fish is around 10 years.
  • Puffer fish have excellent eyesight.
  • Puffer fish do not have scales. Their skin is thick and rough.
  • Sharks are the only species immune to the puffer fish’s toxin
  • One puffer fish contains enough toxin to kill 30 adult men.
  • It has ability to ingest huge amount of water which  enhances their body size and turn them into odd-looking ball-like creatures.
  • puffer fish built up this tactic as a method of the self-defense
  • they are poor swimmers.
  • puffer fish contain toxin which can be 1200 times stronger than cyanide.
  • one wrong cut of the fish meat can result in the death of the customer.



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