Top 9 Killer Animals In Australia (With Pictures)



1. Blue-Ringed Octopus

Blue-Ringed Octopus
Blue-Ringed Octopus

The blue-ringed Octopus of Australia is among the more dangerous sea mammals. The body’s background color in resting is typically brown to dark yellow. They usually feed in the evening, eating crustaceans and fish.

Adults are between 12 and 20 centimeters and weigh 10 and 100 grams. Blue-ringed octopuses are tiny predators living in tide pools and shallow rock reefs. Its venom can kill 26 humans in just minutes.



2. Box Jellyfish

Box Jellyfish
Box Jellyfish

Box jellyfish are named in honor of their body form possess tentacles covered with biological booby traps, also known as Nematocysts. They’re pale blue in color and transparent and take their name from their cube-like bell.

The diet of box jellyfish is composed mainly of small fish, marine larvae, crustaceans, and plankton. Based on the species, the fully grown box jellyfish could be as giant as 20cm and weigh as much as 2 kg or 2.5 pounds.

Box jellyfish are abundant in warm oceans all over the globe. Their venom is believed to be one of the most lethal worldwide and contains toxic substances that harm the nervous system, the heart, and the skin.



3. Cassowary

Cassowary
Cassowary

The cassowary is a vast and flightless bird closely connected to the emu. Southern cassowaries look like prehistoric birds sporting necks and heads of deep blue with two bright red wings. They feed on fruits that fall onto the floor of forests.

The southern cassowary is the biggest, measuring 5.8 feet tall and weighing 44 kilograms. Cassowaries reside throughout tropical rainforests. Melaleuca (paperbark) in swamps and mangrove forests. They also inhabit woodlands.

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4. Funnel Web Spider

Funnel Web Spider
Funnel Web Spider

The funnel-web spider is part of a spider family belonging to the order Araneida, named for the weave funnel-shaped spider webs. Funnel webs are glossy dark black or brown spiders with finger-like spinnerets located at the bottom of their abdomens.

Funnel webs emerge from their burrows when predators like beetles, small lizards, cockroaches, or snails, stroll across silky trip-lines. Funnel webs have a body size between 1 and 5 centimeters. Funnel Web Spiders reside in caves sheltered in the ground or tree stumps, trunks, or ferns higher than the ground.



5. Saltwater Crocodile

Saltwater Crocodile
Saltwater Crocodile

The saltwater crocodile can be described as an enormous living reptile, and crocodilian is a well-known crocodilian species. Saltwater crocodiles have a pale yellow color with black spots and stripes on their tails and bodies.

They feed on crabs and fish to turtles, birds, buffalo, pigs, and even human beings. Saltwater crocodiles can reach up to 17 feet and weigh over 1000 pounds. Crocodiles all have glands inside their tongues that can eliminate excess salt.



6. Sharks

Sharks
Sharks

Sharks can be located in shallow and deep waters across the world’s oceans. Some migrate for extended lengths of distance to breed or to feed. The skin is typically grey and hard and features tooth-like scales.

All sharks are carnivores meaning they will devour the flesh of other animals. The giant white shark can be 20 feet long and weighs between 680 and 1,800 kilograms. Sharks have been adapted to many different habitats in the water.

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7. Snakes

Snakes
Snakes

Snake, also known as a serpent, is one of the more than 3400 species of reptiles that can be that are distinguished by their lack of limbs and a massively elongated body and tail. The size of snakes ranges from large as worms to several feet in length.

The skin is covered with scales, and it can be smooth or with ridges. Their diets vary according to their species. Certain species eat warm-blooded rodents, rabbits, and birds. It’s around one one-meter (3.3 feet) long.

Snakes can be found in a diversity of habitats such as grasslands, swamps and forests, and deserts, as well as in salt and fresh water.



8. Stingray

Stingray
Stingray

Stingrays have disk-shaped bodies and the ability to bend their tails, which are with most species with at least one saw-edged poisonous spines. They range from primarily gray to dark brown with light bellies.

Freshwater stingrays consume crustaceans as well as other invertebrates. Stingrays can go from more minor than the size of a dinner plate to up to 16.5 feet, even including their tail. Stingrays can be located in shallow waters of the coastal waters of temperate oceans.



9. Stonefish

Stonefish
Stonefish

The most poisonous fish in the world is a close cousin to scorpionfishes, and they are also commonly referred to as stonefish. The stonefish is typically gray or brown, with orange, yellow, and red spots.

Stonefish is a prey species, including big sharks as well as Rays. Adults of this species usually exceed 30 to 40 cm in size. Stonefish can be found in coral, rocks, estuaries, and mudflats.

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