Their bites can be fatal if left untreated, and they frequently collide with humans, making them our pick for the most venomous spider.
The Box Jellyfish is the world's most poisonous animal. Death can occur within minutes of being stung.
Their venomous dorsal fins pierce into skin more quickly than you can say "ouch!" Stonefish stings are not only extremely painful, but if left untreated, they can be deadly.
The deadly golden poison dart frog, the most deadly member of the family, has enough venom to kill 10 adult men. It is regarded as one of the planet's poisonous animals.
Their bite, which is usually painless, injects a number of substances, including tetrodotoxin, which is sometimes referred to as "zombie poison" since it completely paralyses the body, including the breathing system, and ultimately results in death.
The platypus males utilise their hind foot spurs for fighting, and they may venomously sting humans that can be fatal to dogs.
Upon touch, the poison is absorbed by the skin and produces excruciating scorching and blistering pain. The poison in beetles can induce wounds, blisters, bleeding throughout the digestive tract, and possibly cause death if consumed.
Tetrodotoxin, a strong neurotoxin found in comb stars, is capable of paralysing victims and finally killing them from respiratory failure. The toxins found in comb star meat are sufficient to kill 520 mice per gram.
The pufferfish's spikes, liver, and kidneys are home to harmful nerve poisons that are lethal to humans.