Printed on Thu Jun 30 2022 5:16:06 PM

Amazon's 5 most dangerous creature

International desk

Visiting the Amazon rainforest is the desired dream of many nature lovers and wildlife enthusiasts from around the world.

However, visiting the world’s largest tropical rainforest is not free of dangers as the forest houses some of the most deadly creatures known to us (and maybe deadlier ones yet to be discovered).

Thus, visitors to the Amazon are advised to be cautious and well aware of their surroundings at all times during their visit to the rainforests.

Here let us have a look at some of the deadliest creatures of the Amazon and why we consider them so.

However, in the end, we must remember that most of these creatures mentioned below are facing threats to their survival due to human activities.


Wandering Spiders

The Brazilian wandering spider is the most venomous spider in the world. Even the scientific name of the spider Phoneutria means "murderess" in Greek.

The spiders are called wandering spiders as during the night they prefer to crawl on the floor of the jungle looking for prey instead of building webs and staying in them. During the day, the spiders hide in various places including the banana plant.

10 Reason Why Brazilian Wandering Spider can Make You Hate Spiders More

The wandering spiders might also wander into human settlements where they might remain hidden in houses and cars. If disturbed by humans, they may bite. The small size of these spiders makes them even more difficult to detect.

Until 1996 when an antidote was found, 14 people were reported to have died from the bites of the wandering spider. The venom of the spider causes extreme pain and inflammation, as well as loss of muscle control which might lead to respiratory paralysis and death.




A piranha is one of the most dangerous oceanic inhabitants of the Amazon river basin. The piranhas are freshwater fish infamous for their powerful jaws and razor-sharp teeth.

They have one of the strongest bites among bony fishes and the black piranha’s bite is one of the most forceful bites among vertebrates. The bite of the piranha can easily tear through all flesh including that of humans.

Red-bellied piranha - Wikidata

Piranhas have been known to have devoured human flesh on a number of occasions. In 2015, a girl’s body partly eaten by piranhas was found in the Maicuru River in Brazil. The girl was riding a boat with her grandmother and four other children when the boat capsized during a storm.

It is still not clear whether the piranhas killed her or the piranhas fed on her after she drowned. Similar cases have been reported elsewhere. Despite the fish being reportedly so dangerous, humans have brought the fish to their tables and also created tools and weapons using piranha teeth and bones.


Electric Eel

A stunning risk hides beneath the waters of the Amazon River in Brazil. The electric eel is not a true eel but actually a knifefish capable of delivering a massive electric shock to those who threaten it.

Three pairs of abdominal organs of the fish allow it to generate electricity enough to stun an adult human being. The eels use their electricity-generating capacity to stun prey before consuming them.

Electrophorus electricus | fish species | Britannica

Fatal attacks on humans are rare but not completely non-existent. A single jolt could stun a human being enough to cause the person to stop breathing and drown even in shallow water. Multiple shocks could definitely trigger respiratory failure in humans.

In the past, there are cases where the fish delivered shocks strong enough to kill horses and even stun an adult alligator or crocodile.


Green Anaconda

The green anaconda is a non-venomous constrictor found in the Brazilian Amazon and some other parts of South America. It is one of the most feared and revered species of the Amazon. The green anacondas live in swamps, slow-moving streams, and marshes of the Amazon where they remain nearly completely submerged in the water, waiting to strike on the unsuspecting prey that comes to drink the water.

Although the snakes are sluggish on land, they are sleek and stealthy in the water. Once they catch their prey within their lethal coil, the prey’s last moments are near as the snakes suffocate their prey to death.

Anaconda: Habits, hunting and diet | Live Science

Although no evidence has yet been recorded, the green anacondas have been often labeled as “man-eaters” with several unverified reports of humans being eaten by these giant snakes existing.

Scientists conclude that it is not impossible for an anaconda to consume a human as these snakes eat prey that is tougher and stronger than humans. However, since humans and anacondas rarely interact, anacondas are not used to recognize humans as prey and thus the chances of anacondas eating humans are low.


Poison Dart Frog

Poison dart frogs are perhaps the most deadly animals living on Earth. These brightly colored tiny frogs living in the Amazon might appear to be beautiful to us but the skin of some of these species harbors poison deadly enough to kill 10 adult human beings.

The poison dart frogs receive their name from the darts or arrows coated with the toxin produced by these frogs that are used by the indigenous hunters to hunt animals and also enemies.

Poison Dart Frogs - Reptiles/Amphibians - Animal Encyclopedia

The golden poison frog is one of the most poisonous species of the poison dart frogs. The poison produced by these frogs is called batrachotoxin. The toxin is so potent that even in minuscule amounts, it can cause paralysis and death when it enters the bloodstream.


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