They might be small, but do not let that deceive you. These tiny animals can easily kill a human.
1. Harvester Ant
Location: Southwest United StatesSize: 1/4”, about the size of a tic tac
Why? Each of these tiny ants hit hard: they have the most toxic venom of any insect in the world. on their own they might not look like much of a threat, but remember, they hunt in packs.
2. Irukandji Jellyfish
Location: AustraliaSize: Less than 1”, about the size of a quarter
Why? After you get stung, you can expect and increased heart rate, headaches, vomiting and high blood pressure can set in within a matter of hours, sometimes minutes. Its venom is 100 times more powerful than a cobra's.
3. Death Stalker Scorpion
Location: AfricaSize: 2”, about the length of a bobby pin
Why? It has six different, fast-acting neurotoxins, and it kills around several people a year. Check your shoes!
4. Blue-Ringed Octopus
Location: AustraliaSize: 4”, about the size of an average prescription bottle
Why? Before it attacks it turns blue. Its beak is strong enough to pierce through wetsuits and deliver a fatal dose of venom. One dose is strong enough to kill 26 people.
Location: Southern AfricaSize: 36”, or about the size of a 3-year-old child
Why? Boomslangs venom can kill within a couple of hours. Its venom causes the victim to bleed out of every orifice. Horrible...
6. Brazilian Walking Spider
Location: Brazil, duhSize: 4”
Why? Its venom is Coupled with a neurotoxin, their bites also deliver high levels of serotonin. The neurotoxin shuts down your main functions, whilst the serotonin causes brain tremors. Thats one way of multitasking.
7. Geographic Cone Snail
Location: AustraliaSize: 6”, or about the length of a dollar bill
Why? These snails have a lance with a lot of toxins. Your body will do anything to get the venom out, which will happen out of any and every hole in your body.
8. Tarantula Hawk
Location: North AmericaSize: 2”, about the length of a AA battery
Why? It has the creepiest name ever, and its sting is the second most painful in the animal kingdom.
9. Golden Poison Dart Frog
Location: ColombiaSize: 2”, about the length of a paperclip
Why? Currently no effective antidote exists for the treatment of this type of batrachotoxin poisoning.
10. Hooded Pitohui
Location: New GuineaSize: 9”
Why? For the same reason above like the Poison dart frog it is coated in a poison that can seep through the skin and kill within minutes.
11. Lonomia Caterpillar
Location: BrazilSize: 2”, about the length of a pink eraser
Why? Its venom stops your blood from clotting, which will eventually cause your body to swell up with pooled blood.
12. Puffer Fish
Location: In the oceans, around the equatorSize: Can be as small as 1”, about the size of a guitar pick
Why? Its poisons are types of saxitoxin and tetrodotoxin, both of which can be lethal. The two can cause rapid heart rate, muscle paralysis, a decrease in blood pressure, numbness, and tingling.
13. Yellow Bellied Sea Snake
Location: Warm waters in the Pacific and Indian oceansSize: 28”, about the size of the stem of an umbrella
Why? Same venom as a cobra, but a lot more deadly. One dose can kill three grown men.
14. Giant Japanese Hornet
Location: Japan (and its relatives are all over east Asia)Size: 2”, about the size of a lighter
Why? One of the worlds largest hornets. One of these can kill a human, and running won't help as they can fly at up to 25mph.
Location: EverywhereSize: 0.3 to 2 cm, about the width of a pencil
Why? Mosquitoes can carry and transfer the world’s deadliest illnesses, making them the deadliest in the world.