StonefishStonefish have crusty skin and razor-like spines and contain enough toxin to kill an adult in less than an hour.
LionfishLionfish can have red, white, or black bands and have spiky fin rays which are venomous.
Oceanic Whitetip SharkThe oceanic whitetip is generally believed to have killed the most people.
Great White SharkWith around 300 teeth and an estimated bite force of around 18,000 newtons, the great white is a fierce predator.
PufferfishOne pufferfish contains enough toxin to kill 30 adult humans.
BoxfishThey release a toxin called ostracitoxin through their skin into the surrounding water which is poisonous to anything in the vicinity.
Moray EelMoray eels are incredibly vicious when disturbed and attack with a lightening fast reflex.
Wels CatfishTheir mouths contain rows of small but incredibly sharp teeth, and there have been numerous reports of this fearsome fish attacking and killing people
Goliath TigerfishGoliath tigerfish are the only freshwater fish in Africa that are actively known to attack humans.