Measuring 43-75 inches in length and up to 135 kg in weight, the jaguars are the largest member of cat family called Felidae. They found in a number of habitats including rainforests, deciduous forests, grasslands, and woodlands. Jaguars are among the most endangered and deadliest Amazon rainforest animals.However, in the dry season when food is scarce, they may attack even humans. The red-bellied piranhas not always aggressive towards humans.The sharp, triangular teeth and powerful jaws aid them in such an attack. To your surprise, a group of piranhas could strip even the flesh of a large animal within minutes.A group of hungry piranhas will attack almost anything they found within their range. During starving period or when provoked, they attack in a group. The group attack from red-bellied piranhas is rare.But contrary to common belief, piranhas primarily feed on fishes, insects, mollusks, crustaceans, algae and seeds. Apart from the media image, the powerful jaws and razor sharp teeth of red-bellied piranhas force us to believe so. The piranhas are probably the most feared predator of Amazon rainforest.Interesting Things About Red Bellied Piranhas So, the bite can result in blindness, auditory problems, paralysis or even death. The venom of South American rattlesnakes contains the potent neurotoxin. They only bite when threatened or disturbed for a long time. When threatened, South American rattlesnake will coil up and hisses as a warning sign.So it can be very difficult to spot this deadly snake. With the distinctive stripes, South American rattlesnakes can be well camouflaged within their environment.The different coloration is the only noticeable difference between the subspecies. There are nine subspecies of South American rattlesnakes found in Amazon rainforests.They grow up to a length of 1.5 m and known for their distinctive stripes. They found in savannahs and semi-arid zones of Amazon of Brazil, Venezuela, Guyana and Colombia. This pit viper species is among the most deadliest Amazon rainforest snakes.Interesting Things About South American Rattlesnakes Fortunately, there is antivenom available for the bite of Brazilian wandering spiders.Ĭredit of image : By H Krisp – Own Work, Wikimedia CC BY 3.0 Without immediate medical attention, the bite could also result in death, especially to young children. It causes swelling, extreme pain, breath problems and blurred vision.

Venom of Brazilian wandering spiders contains poisonous neurotoxin.They are also famous for showing a defensive display by lifting their body on hind legs. Once disturbed, Brazilian wandering spiders will bite repeatedly.

As a result of this behavior, the chances of their encounter with humans are higher. During daytime, they hide in some parts of the houses, under rocks or fallen logs.

Brazilian wandering spiders are nocturnal creatures, forage for food only at night.

They also found in many human inhabited parts of Brazil.

This extremely aggressive and deadly spiders found in Amazon rainforest of several South American countries including Brazil, Peru, Ecuador and Venezuela.

Instead of building webs, they wander on the jungle floor. As name suggests, Brazilian wandering spider is the deadliest living spider in the world.

‘ Phoneutria‘, The Greek name of Brazilian wandering spider means ‘murderers’ in English.

Interesting Things About Brazilian Wandering Spiders Credit of image : By Joao P Burini – Own Work Wikimedia CC BY-SA 3.0

Most dangerous jungle predators