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Number 8 Stonefish
They seamlessly blend with their environment, which mainly consists of rocks or coral formations. These creatures can also live out of water for about 24 hours which is why stings may occur on beaches as well.
Number 7 Whale
18th century Basque whalers gave them this name after observing pods of orcas hunting baleen whales. In 70, AD, Pliny the Elder called them ‘an enormous mass of savage flesh with teeth’. It’s why they’re a sought-after addition to water parks around the world. Despite their ferocious reputation, wild orcas aren’t considered a threat to humans, which is why they don’t rank higher on our list. In the wild, orcas are the only creatures known to successfully take on great white sharks. The size, speed and strength of an individual orca combined with the coordinated manner in which a pod hunts, makes this animal the true apex predator of the world’s oceans.
Number 6 Dubois’ Sea Snake
However, for many people, the last place they’d expect to worry about these creatures is in the ocean. Aipysurus duboisii, also known as Dubois’ sea snake brazenly defies these expectations. Found in various coastal areas off Australia, New Caledonia and Papua New Guinea. It is adapted to living in coral reefs, at depths of up to 262 feet. It can measure almost 5ft in length and its fangs are about 2 mm long. The bite isn’t considered strong enough to pierce through a wet suit.
Number 5 Flower Urchin
In 2014, this echinoderm was described by the Guinness Book of Records as the most dangerous sea urchin in existence.
Number 4 Cone Snail
Don’t be fooled by their shells, which feature fascinating, vividly-colored patterns. Often compared to a harpoon or a dart, this barbed tooth can extend some distance from the snail’s head.
Number 3 Blue-Ringed Octopus
Found in the coral reefs of the Indian and Pacific oceans. When it feels threatened, the octopus’ yellow skin and eponymous blue rings become more vivid and almost appear to shimmer. Their tiny bites are often painless and most people don’t realize they’ve been bitten.
Number 2 Box Jellyfish
The box jellyfish gets its name from its cube-shaped body and there is one species called chironex fleckeri, also known as the sea wasp. Its tentacles can measure up to 10 feet in length.
Number 1 Great White Shark
Sharks are among the most feared creatures in the sea and one species rises above all other when it comes to ferocity. Popularized by Steven Spielberg’s ‘Jaws’, the great white shark has incredible predatory adaptations which earn it the number one spot on our list. An apex predator, the great white can reach a length of up to 20 feet and a weight of over 4,000 pounds. It can swim at over 35 miles per hour and at crushing depths of nearly 4,000 feet. It has rows of serrated teeth behind the main teeth, ready to replace any that break off. This creature also has an incredible sense of smell that is hundreds of times more developed than that of human beings. The great white also has special organs called Ampullae of Lorenzini which enable it to detect the electromagnetic field emitted by the movement of living animals with incredible precision. It can sense variations of half a billionth of a volt. This basically means that, at close range, the great white can detect the heartbeat of its prey, even if it isn’t moving.