1. Wolf
   Daddy long legs
2. Blue ringed octopus
   Stonefish

Don't worry, although this spider may look looming with its long, dangling legs, it can't harm you. The legs on this spider are multiple times longer than its body!

1. Mantella
   Greenland shark
2. Marbled cone snail
   Barracuda

Did you know all cone snails are poisonous? It may be small, but it has enough venom to kill a human!

1. Blue-ringed octopus
   Tree frog
2. Cane toad
   Poisonous dart frog

This octopus is named for its circular blue rings all over its body. It lives in the Pacific Ocean, and in the Indian Ocean.

1. Stonefish
   Poisonous dart frog
2. Marbled cone snail
   Daddy long legs

As it name implies, this frog is poisonous. It lives in South and Central America, specifically in the rainforest regions.

1. Milkweed butterfly
   Death stalker scorpion
2. Stonefish
   Barracuda

If you happen to get stung by one of these, don't get worried for your life. Its bite stings, but usually doesn't kill humans.

1. Honey bee
   Cane toad
2. Mantella
   King cobra

Yes, this gigantic snake is poisonous! It lives in forest areas of India and Southeast Asia.

1. Black widow spider
   Bull snake
2. Garter snake
   Puffer fish

When this fish puffs up, it makes its spines protrude even more than usual. Whatever you do while swimming, do not get near one of these! It has enough poison to kill 30 humans!

1. Rattlesnake
   Hamster
2. Inland taipan
   Tree frog

This type of snake is known for the rattling sound it makes when it feels threatened, or when it's going to prey upon a victim. Rattlesnakes are remarkably efficient hunters.

1. Puffer fish
   Blue capped ifrit
2. Hamster
   King Cobra

No, the cute pet hamster is not poisonous. Feel free to hold it, cuddle it and pet it at no risk!

1. House spider
   Inland taipan
2. Puffer fish
   Tree frog

Don't worry, these little guys won't get you! House spiders are not poisonous, but rather are good critters to have around. Why? They eat undesirable insects!

1. Barracuda
   Blue-capped ifrit
2. Cane toad
   King Cobra

This large, warty, brown cane toad can be found anywhere between the southern United States to northern South America. Its poison specifically affects the heart.

1. Yellow banded poison dart frog
   Wasp
2. Greening's frog
   European mole

This is another type of the poison dart frog, the yellow-banded, just with different coloring. It is pitch-black, with bright yellow striping and patterns.

1. Stonefish
   Milkweed butterfly
2. Greenland shark
   Pfeffer's flamboyant cuttlefish

The stonefish is deadly enough to kill an adult human, so watch out! It carries sacs full of poison on its spines, and is up to five pounds in weight.

1. Daddy long legs
   Wolf
2. Emerald tree boa
   King cobra

Don't worry, although this snake's size may scare you, it's not poisonous. They are a beautiful, vibrant green color when mature, and eat mice and rats.

1. Wolf
   Puffer fish
2. Tree frog
   Cane toad

Besides rabies, a wolf could not poison you. It's still not a good idea to try to fight one though!

1. Blister beetle
   Black rat snake
2. Milkweed butterfly
   Cow

Cantharidin is the fluid this beetle secrets when it feels threatened. Cantharidin makes the victim blister, giving this tiny crawler its name.

1. Cane toad
   Tree frog
2. Indian cobra
   Russell's viper

No way these cute little frogs are poisonous! They are bright green, with orange eyes and feet.

1. Emerald tree boa
   Deer tick
2. Rattlesnake
   Hamster

Yes, deer ticks can be very harmful to humans if they carry bacterium Borrelia burgdorferi, which causes lyme disease. Symptoms are flu-like, with fatigue and a rash.

1. Bull snake
   Scorpionfish
2. Indian cobra
   Honeybee

You don't need to fear when you hear the buzz of a honey bee; they aren't poisonous. They do foster the creation of delicious honey!

1. Wasp
   Australian funnel spider
2. Russell's viper
   Gila monster

There is a sub-type of the Australian funnel spider, called the Sydney funnel spider. It lives only in and near Sydney, Australia. It is black in color.

1. Rattlesnake
   Milkweed butterfly
2. Black widow spider
   Indian cobra

Don't be fooled by this butterfly's beautiful colors and patterns; it is toxic! It eats milkweed while in its larval stage, which is also poisonous.

1. Greening's frog
   Russell's viper
2. Widow spider
   Mexican beaded lizard

The widow spider has specific types, known as the brown widow and the black widow. The brown widow's bite is not as venomous as the black widow.

1. Black widow spider
   Bull snake
2. Scorpionfish
   Pfeffer's flamboyant cuttlefish

The black widow is distinguishable by the red marking on its pitch-black body. If you have the chance to choose between a bit from this creepy crawly and a rattlesnake, choose the rattlesnake. The black widow's venom is 15 times stronger than a rattlesnake!

1. Barracuda
   Blister beetle
2. Woodchuck
   Widow spider

Did you know that smaller types of barracudas are caught and eaten as game fish? They are hardy and aggressive, so good luck catching one!

1. Mouse spider
   Rat
2. Black rat snake
   Black widow spider

The black rat snake may sound frightening, but it's actually not poisonous! These snakes can be 3 to 6 feet long.

1. Bull snake
   Indian cobra
2. Bullhead shark
   Russell's viper

This snake is the one used in the iconic 'snake charmers' show. They have 'hoods' that expand when they feel threatened.

1. Greenland shark
   Pfeffer's flamboyant cuttlefish
2. Milkweed butterfly
   Woodchuck

Gurry shark is another name for the Greenland shark. It is elusive by nature, and is poisonous because of the large amount of trimethylamine oxide in its body. If you eat the Greenland shark undercooked, the trimethylamine oxide will make a person feel drunk.

1. King cobra
   Indian cobra
2. Dogfish shark
   Garter snake

The dogfish shark poisons its victims with the spine at the front of each dorsal fin. These spines are filled with venom, and can be used to quickly put down their prey.

1. Indian cobra
   Garter snake
2. Mexican beaded lizard
   Gila monster

These snakes that tend to slither around gardens and backyards are totally harmless. They have somewhat different color variations, but usually they will have three long stripes going down their body that are light in color.

1. Tree frog
   Greenland shark
2. Blue-capped ifrit
   Bull snake

Don't let its cute, bird features fool you, the blue-capped ifrit is poisonous! Local dwellers call the bird the 'nanisani' and 'slek-yakt', meaning 'bitter bird'.

1. Eurasian water shrew
   Slow Ioris
2. Bullsnake
   Scorpionfish

Can you believe that some populations of bullsnake can be up to 7 feet long? Even though they look large and scary, they aren't anything to be too afraid of, since they aren't venomous.

1. Belcher's sea snail
   Box jellyfish
2. Wasp
   Gila monster

The Gila monster is one of the only two lizards that are poisonous in the world! It looks like it has small beads all over its skin; these are called osteoderms.

1. Russell's viper
   Gila monster
2. Groundhog
   Eurasian water shrew

Did you know the Russel's viper is one of the most dangerous snakes in Asia? Its bite and venom is fatal, as it kills thousands of people each year.

1. Neon tetra
   Belcher's sea snake
2. Gila monster
   Wasp

This slithery death sentence, the Belcher's sea snake, is also known as the faint-banded sea snake. Thankfully, it lives in the water, so unless you find it fishing or scuba diving, you're safe!

1. Woodchuck
   Brazilian wandering spider
2. Mouse spider
   Bull snake

This spider is one of the most poisonous on the planet! They also go by the names banana spider and armed spider.

1. Scorpionfish
   Wasp
2. Greening's frog
   European mole

This underwater dweller has many spines coming out of the top of its body, which is where it pushes out its venom. The sea floor and sea rocks is where the Scorpionfish makes its home.

1. Black widow spider
   Water shrew
2. Tree frog
   Hornet

Have you ever felt the sharp, painful sting of an angry hornet? Did you know its releases venom with each sting?

1. Woodchuck
   Wasp
2. European mole
   Slow Ioris

How much wood could a woodchuck chuck, if a woodchuck could chuck wood? Don't fret, the woodchuck is not poisonous.

1. Mexican beaded lizard
   Honey bee
2. Cow
   Water shrew

This exceptional creature, the Mexican beaded lizard, along with the Gila monster, make up the only two poisonous lizards in the whole world! It also has osteoderms, and is longer than the Gila. It can be up to 36 inches long!

1. Mous spider
   Bull snake
2. Scorpionfish
   Slow Ioris

Though the slow loris looks a little goofy, its venom certainly is not anything to laugh at. It is toxic to humans! These deceiving furry animals live in South and Southeast Asia.

1. Neon tetra
   Blue ringed octopus
2. House spider
   Box jellyfish

Be most wary of the box jellyfish, as it is known as one of the most poisonous animals in the world. The poison is called bacterium Borrelia burgdorferi and it's in their tentacles.

1. Milk snake
   Pfeffer's flamboyant cuttlefish
2. Slow Ioris
   Greening's frog

Although its name sounds close to 'cuddlefish,' refrain from cuddling with the cuttlefish! It keeps its toxins in its muscles!

1. Mexican beaded lizard
   Eurasian water shrew
2. Gila monster
   Rattlesnake

There's good news and bad news about the Eurasian water shrew. The bad? Its saliva is venomous. The good? Its teeth are not sharp or strong enough to puncture the skin of a human, so you should be safe.

1. Mantella
   Indian cobra
2. Mexican bearded lizard
   Eurasian water shrew

The mantella is a poisonous frog that has remarkable, vibrant colors. Some have orange, yellow and black legs, with green stripes on its body.

1. Slow Ioris
   Woodchuck
2. King cobra
   European mole

No, European moles aren't constantly twisting their feet to turn outward, they are made that way! They also are made with venomous saliva, so don't make them angry!

1. Mouse spider
   Black widow spider
2. Bull snake
   Garter snake

This spider is not as cute as a mouse, and not nearly as harmless. It lives in Australia, where there are eight species.

1. Black widow spider
   Mouse spider
2. Indian cobra
   Cuban solenodon

This rodent-like Cuban solenodon is also known as an almiqui, and its saliva is toxic! Also be careful of its cousin, the Hispaniola solenodon.

1. Mouse spider
   Garter snake
2. Black rat snake
   Milk snake

Don't worry, the milk snake is not dangerous! Don't confuse them with the copperhead snake, they look similar due to their copper color and striping. The key difference is the milk snake is not venomous.

1. Poison dart frog
   Bullhead shark
2. Greening's frog
   Tree frog

Want to sound extra intelligent? Call this frog by its scientific name, the 'Corythomantis greeningi'. This small creature has an interesting way of poisoning its enemies; it head-butts the victim, and transfers its poison from its head to the victim through small spines, almost like needles.

1. Inland taipan
   Australian funnel spider
2. Scorpionfish
   Black rat snake

The inland taipan lives in Australia, specifically in the central-east part of the continent. It is deadly, but some daredevils still have one for a pet!