Unexpected! These are the World's 10 Most Poisonous Animals

Pufferfish (Tetraodontidae)
The skin, muscle tissue, liver, and gonads of pufferfish all contain a toxin called tetrodoxin

Poison frogs (Dendrobatidae)
The poison that the frog's own glands have is called batrachotoxin. This poison blocks nerve signals to the muscles causing paralysis and death

Inland tycoon snake (Oxyuranus microlepidotus)
This snake lives in Australia and has a neurotoxin that can kill a person in 45 minutes

Brazilian wandering spider (Phoneutria)
The high doses of serotonin in the venom of the Brazilian wandering spider are very painful. The neurotoxins present can cause paralysis and death

Rockfish (Synanceia verrucosa)
The spines on the back of this fish carry toxins that can cause swelling, tissue necrosis, paralysis, shock and eventually death

Israeli yellow scorpion (Leiurus quinquestriatus)
This scorpion venom is very dangerous because it causes pain and failure to breathe

Blue ringed octopus (Hapalochlaena)
The blue ringed octopus (Hapalochlaena) has a venom that can kill 26 adults at once

Marble cone snail (Conus marmoreus)
Marble cone snail (Conus marmoreus), the antivenom has not been found until now

King cobra (Ophiophagus hannah)
Seven ml of venom from a king cobra is enough to kill an elephant or 20 humans

Box jellyfish (Cubozoa)
Many of these jellyfish float in the waters around Asia and Australia. This jellyfish sting can cause a heart attack and lead to death