Top 30 Most Dangerous and Deadliest Animals Around the World

The Big five game or the big five are among the most dangerous animals in Africa and the Big four are most deadliest snakes in India. Most Dangerous and Deadliest animal around the World are big five, big four and 3 bears along with deadliest marine creatures. Burmese python,Anaconda and King cobra are few deadliest  and dangerous animal on planet earth.



Mosquitoes are small and midge-like flies responsible for the loss of as many human lives each. Few species are harmless but other carry extremely harmful infections such as malaria, yellow fever, west nile virus and filariasis.



Snakes are carnivorous reptiles and potent enough to cause painful injury or death to humans. Most species of Snakes are nonvenomou but there are modern snakes such as Cobras, vipers,Bungarus,Mamba and Coral reef snakes who are ranked as top most poisonous venomous and deadliest snakes in the world.


The predatory arthropod animals are found on all major land masses except Antarctica and these species are known to have venom capable of killing a human being with a venomous stinger. Emperor scorpion is one of the largest scorpions in the world native to rainforests and savannas in West Africa.



Many spiders are venomous, of course, and some can even kill people, The Brazilian wandering spider is the world’s most venomous spider and aggressive and venomous spiders of potential medical significance to humans.

Dart Frogs

Dart Frogs

Poison dart frogs are a group of frogs in the family Dendrobatidae,endemic to Central and South America and are Poisonous amphibian that produce toxins to defend themselves from predators.

Gila Monster


Gila monster is a species of venomous lizard native United States and is the only venomous lizard native to the United States. The Gila monster lizard produces venom in modified salivary glands and poses little threat to human.


Indian Mugger Crocodile

The largest aquatic reptile that live throughout the continent of Africa, Asia, the Americas and Australia. Saltwater crocodile are largest living reptile and most aggressive of all crocodiles, apex predator throughout its range and are very dangerous to humans.

Komodo Dragon


Komodo monitor or Komodo Dragon is the largest species of lizard found in the Indonesian islands of Komodo and is a vulnerable species. The land crocodile unusually large size has been attributed to island gigantism.



The large herbivorous mammal of Africa sometime known as river horse is the third-largest type of land mammal and the heaviest one. Hippopotamus is considered very aggressive and has frequently been reported as charging and attacking boats.

Sloth Bear


The sloth bear is a nocturnal animal species found wild within the Indian Subcontinent and responsible for the attacks on humans and for the deaths of many people in India.

Polar Bear


The Polar bear is a carnivorous bear of the Arctic Circle and the sister species of the brown bear. Polar bear is classified as a vulnerable species and used to hunt by Indigenous people for fur and meat.

Grizzly Bear


The grizzly bear and the brown bear are one species on two continents and considered to be more aggressive than black bears. Grizzly bears normally avoid contact with people but rarely actively hunt humans.

African Lion


Lions are the second-largest living cat after the tiger currently exist in sub-Saharan Africa and in Asia. African lions do not usually hunt people but Tsavo Man-Eaters are responsible for the deaths of a number of construction workers on the Kenya-Uganda Railway line.



Leopard is one of the five big cats and member of the Felidae family with a wide range of Africa to Asia. The Leopards have the largest distribution of any wild cat and reported to attack humans and most of the attacks were reported in India.

Bengal Tiger


The predators that will attack humans and have incorporated human flesh into their usual diet are called as man-eaters. Tigers are the are apex predators, primarily preying on ungulates such as deer and bovids.



The large mammals of the planet earth are scattered throughout Africa and Asia and are the largest extant terrestrial animals. Elephant are aggressive behaviour and engage in destructive actions against humans.

Cape Buffalo


The African buffalo or Cape buffalo is one of the large African bovine and largest one in South and East Africa. Cape buffalo are widely regarded as a very dangerous animal as it kills over 200 people every year.


Great Indian Rhino

Rhinoceros are one of the largest species of grassland and are killed by humans for their horns. The critically endangered species has 5 sub species and have no real predators in the wild, other than humans.

Grey Wolf


The gray wolf is the largest extant member of its family also known as the common wolf and native to the wilderness and remote areas of America and western Africa. Gray wolf has adaptated the human culture and hunting large prey, typically an apex predator throughout its range.



The wolverine is the largest land-dwelling species of the family Mustelidae, a solitary animal and has ability to kill prey many times larger than itself.



Stingrays are not aggressively attack humans but most famously death of Steve Irwin is due to the Fatal stings. The injury is very painful, but seldom life-threatening unless the stinger pierces a vital area.

White Shark


The Great white sharks may not be the world’s biggest marine animal but has no natural predators other than the orca. White shark is a species of large lamniform shark and one of the primary predators of marine mammals.

Box Jellyfish


Box jellyfish species in the class are extremely painful and can be fatal to humans also box jellyfish are the world’s most venomous creature and involved in human deaths.

Cone Snails


Cone Snails are large predatory snails and capable of stinging humans, The species is most dangerous to humans but mostly hunt and eat marine worms and small bottom-dwelling fish.



Piranha is a freshwater fish and an aggressive insatiable predators to the Amazon basin, known for their sharp teeth, powerful jaws, and voracious appetite for meat.

Blue-Ringed Octopus


The Blue-ringed octopuses are among the most deadliest animals in the sea, live in tide pools and coral reefs in the Pacific and Indian Oceans. Blue-ringed octopus venom is powerful enough to kill humans and making it one of the deadliest reef inhabitants in the ocean.

Killer Whale


The killer whales are apex predators have a diverse diet of fish, marine mammals and even large whales. Killer Whales capture for marine mammal parks, and conflicts with fisheries but are not considered a threat to humans.

Giant Squid

Giant Squids

Giant squids are the largest squid and can grow to a tremendous size,are believed to be solitary hunters. Range and habitat are widespread, occurring in all of the world’s oceans.



The various species of this family are known informally as stonefish, stinger, stingfish and ghouls. Synanceia members are  venomous, dangerous, and even fatal to humans, one of the most venomous fish currently known in the world.



Pufferfish are the second-most poisonous vertebrates in the water world, that inhabits warmer, coastal waters around the world. Tetraodontidae or Pufferfish meat of some species is considered a delicacy in Japan.

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