Indian Red Scorpion
It’s probably not very surprising that a scorpion is dangerous, but the Indian Red Scorpion may be the most deadly of them all, with fatality rates ranging anywhere from 8-40% of its victims.
The absurdly tiny Irukandji Jellyfish are remarkably toxic, and give the victim what is known as Irukandji syndrome, which can lead to cardiac arrest if not treated within the first 20 minutes.
Geographic Cone Snail
It’s hard to imagine any sort of snail being particularly dangerous, but the Geographic Cone Snail is extremely venomous and has no qualms about spearing and infecting you, leading to severe vomiting and diarrhea and, potentially, death.
Africanized Honey Bee
We have a Brazilian scientist to thank for Africanized honey bees, as these genetic freaks more commonly known as killer bees are relentless when it comes to swarming and chasing down victims.
Pfeffer’s Flamboyant Cuttlefish
It’s hard to imagine anything with the name “flamboyant” in its actual name being particularly dangerous, but this freaky looking fish has enough poison to induce heart failure within minutes.
Ants are just ridiculously annoying to begin with, but the bullet ant may just take the cake since its very name is derived from the fact that its bite is so painful that it actually feels very much like being shot with, you know, a bullet.
Guys, prepare to be terrified, because the Candiru fish is a parasitic little monster that lives in the Amazon and is believed to swim straight up the urethra and into the bladder, resulting in internal bleeding and death.
Common in North America, the short-tailed shrew is one of the only venomous mammals on the planet, though thankfully they aren’t deemed dangerous to humans.
Yep, those playful little balls of fur should actually scare the crap out of you, because if you have any immune deficiencies they could severely mess you up thanks to toxoplasmosis, which most young cats carry and which can cause lesions, brain inflammation, and even plays a part in developing schizophrenia.