Why these are the most deadliest Australians and what you should know about them.


Why you should know about these Deadliest Australians.

For whatever reason the Deadliest Australians come in all forms. That’s not to say that if you’re visiting Australia that you’ll come in contact however it’s good to know what you could encounter.

Box Jellyfish

box jelly

Box Jellyfish are pale blue and transparent and bell or cubed shaped with four distinct sides, hence box jellyfish.

Measuring up to 20 cm along each side of the cube or bell, the Box Jellyfish  has up to as many as 15 tentacles on each corner which can be 3 metres in length with up to 5,000 nematocysts (stinging cells)..

You have virtually no chance of surviving the venomous sting. The pain is so excruciating and overwhelming that you would most likely go into shock and drown before reaching the shore.

So don’t go swimming alone!



brown snake

Eastern Brown Snake

Also known as the common brown snake and found throughout the eastern half of mainland Australia. Fast-moving, aggressive and known for their bad temper, eastern brown snakes, together with other browns, are responsible for more deaths every year in Australia than any other group of snakes.



funnel webSydney Funnel Web Spider

With highly toxic venom produced in large amounts and large fangs to inject it, the Sydney funnel-web is without a doubt the deadliest spider in Australia, and possibly the world.
Found in New South Wales, in forests as well as populated urban areas, they burrow in humid sheltered places. They can wander in backyards and sometimes fall into swimming pools, and though they’re not often encountered, they can be quite aggressive when threatened.



salt crocSalt Water Crocodile

The Saltwater Crocodile is the world’s largest reptile. These amazing creatures are found on the northern coast of Australia and inland for up to 100 kms or more. The Saltwater Crocodile has been reported to grow to lengths of 7 metres! but the average size of a Saltwater Crocodile is 4 metres long.

They reproduce in the wet season, with the female crocodile laying up to 60 eggs at a time. When the crocodiles are born, only a very small number of these survive in the wild and grow to be adult crocodiles. Probably the best known of the Deadliest Australians.



Coastal Tiapan

The Coastal Taipan is usually light olive to dark russet brown but sometimes dark grey to black.  The head has an angular brow and is lighter coloured on the face.  The eye is a reddish colour.  The belly is cream and usually marked with orange or pink flecks.

Found in northern and eastern Australia.  It is known from north-western Western Australia, the northern Northern Territory, across Cape York Peninsula and coastally through eastern Queensland.

This is a dangerously venomous species with strongly neurotoxic
venom.  It possesses the third most toxic land snake venom known.  Many human deaths have resulted from bites by this species.



blue octupusBlue Ringed Octopus

The tiny, blue-ringed octopus is widely regarded as one of the world’s most venomous animals. It lives in tidal regions ranging from Australia to Japan and is frequently encountered by people wading in tide pools. If provoked or stepped on, it will bite. Blue-ringed octopus poison has no antivenom and can kill an adult human within minutes.



sharkGreat White Shark

The Great White Shark or affectionally known as the “Great White” belongs to a group of sharks named Mackerel Sharks. Its common name was derived from the shark’s white underbelly. They are solitary animals, but have also been reported to swim in pairs or groups. They are found on all coasts of Australia and are certainly one of the better known Deadliest Australians.



tickAuatralian Paralysis Tick

Paralysis ticks, also called dog ticks, shell-back ticks or scrub ticks are a serious parasite occurring

on the East Coast of Australia. They inject a toxin causing paralysis that can be fatal in domestic animals, both pets and livestock. The toxin can also affect humans. More than 80,000 cases of tick toxicosis, mainly in domestic pets are treated each year in eastern Australia.


red backRed Back Spider 

The Red-Back Spider is found Australia wide. It can inflict a painful bite which can be fatal, especially to the young and elderly.

Only a small amount of venom can cause serious illness, as the poison attacks the nervous system. It prefers dry habitats – often found in out-houses, letter boxes, undersides of seats, in rubbish, such as empty cans, in the sub floor and other dark areas.


jelly fish

Irukandji Jellyfish

The Irukandji Jellyfish (Carukia barnesi) inhabits waters of Australia. This is a deadly jellyfish, which is only 2.5 centimeters (with bell and tentacles) in diameter, which makes it difficult to spot.
The Irukandji is believed to be the most venomous creature in the world.


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