Top 10 Most Dangerous Sea Creatures in The World

Take a look at the below list of Top 10 Most Dangerous Sea Creatures in The World 2017. The oceans, lakes, rivers and seas of the world are populated by denizens of the deep that you would want to meet only under the most generous of compensatory circumstances. Crazy thing about the most dangerous creatures of the seven seas: things only start with the great white shark. Sharks have gotten all the attention and rank among the biggest stars of Steven Spielberg’s film canon, but compared to the top 10 most dangerous sea creatures lurking beneath the surface of the waves, sharks are the Tom Hanks of the ocean.

List of Top 10 Most Dangerous Sea Creatures in The World 2017

10. Sharks


The bad news is that the seas are home to more than 400 species of sharks. Worse still, is that of these 400 species, at least one can be found at literally every level of the ocean to which a human can dive. All sharks are also carnivores which means they have a taste for meat. Now for the good news: shark attacks against humans may get a lot of PR, but they are still relatively rare. In fact, you have a better chance of being seriously injured by a pig than a shark. Still, the idea of being dragged back and forth with a part of your body stuck beneath the razor sharp spikes known as shark teeth is an image that most would rather not bring to mind. And yet, millions still continue to willing run right into the homes of these predators and splash around like idiots drawing the attention of ravenous man-eating Great Whites. Go figure.

9. Sea Snakes


Let’s face it: snakes are creepy enough when they are slithering on land. The sight of a snake slithering through the water is akin to seeing a flying snake. Doesn’t matter how much you love snakes, nobody wants to live in a world where flying snakes exist. Some sea snakes are among the most venomous animals on earth, but it has been reported that many times they do not release the full throttle when biting humans. Of course, the bite alone is enough to make you wish there were no snakes on land or sea.

8. Sea Anemone

Sea Anemone Top 10 Most Dangerous Sea Creatures

Of all the top 10 most dangerous sea creatures 2017, anemone probably looks the least malevolent. In fact, the sea anemone does not even look like a creature; it looks more like some sort of maniacally pathological killer grass from outer space like you might see in an old movie featured on Svengoolie’s Saturday night horror movie show. Nevertheless, creatures they are and while clownfish are among the denizens of the deep that do well among their tentacles, others reaching in for that clownfish will wish they never heard of anemones.

7. Box Jellyfish

Box Jellyfish Most Dangerous Sea Creatures 2018

Ethereal and otherworldly, the box jellyfish is almost certainly what aliens from a distant galaxy will wind up looking like when they reach us. And, just like those aliens are likely to be, what seems almost hypnotically inoffensive masks the sort of the danger that can sting the life out of you. Just how dangerous a sea creature is the box jellyfish? More Australians are killed every year by this wandering blob of malevolent poison than by their sharks and crocodiles combined.

6. Crocodile

Crocodile Popular Dangerous Sea Creatures 2018

Which still does not allow them to take the higher spot from crocodiles. More people may face the wrath of that jellyfish in Australia, but more people are likely to come up against a crocodile than a box jellyfish. Simply by virtue of it being both a water and land predator. Not to mention the fact that the crocodile simply looks more ferocious; like something left over accidentally by evolution. The crocodile not only look more ferocious than a shark, but did you know that his bite is as bad as his bark? The sheer amount of pressure that the crocodile places upon its victim when that mouthful of razor-sharp teeth clamps down does not just exceed that of the Great White Shark, but exceeds it by far.

5. Oyster Toadfish

Oyster Toadfish Top Most Popular Dangerous Sea Creatures 2019

Here’s the best reason for why the oyster toadfish makes the list of the top 10 most dangerous sea creatures 2017. It probably belongs at the number one spot as far as the most dangerous-looking. The oyster toadfish certainly gives a run for the money in any contest of the ugliest creature either above or below the surface of the ocean. How it is dangerous? Strong jaws and teeth almost made of iron. Not really, of course, but make the mistake of reaching out where the oyster toadfish is lying in wait for a meal and you may come back one or two fingers short.

4. Blue-Ringed Octopus

Blue-Ringed Octopus Top Popular Dangerous Sea Creatures 2017

The blue-ringed octopus is not the only pretty creature living in the sea that is proof that looks can be quite deceiving. Along with the anemones and some other creatures coming up, this octopus looks like the kind of creature that you would want as the centerpiece of your expensive indoor aquarium. Trying to get that blue-ringed octopus from the bottom of the ocean into that aquarium may cost your entire entourage: this thing can take out as many as 30 divers with just a few minutes work.

3. Striped Surgeonfish


The striped surgeonfish is the perfect example of the strangers with candy trope. This may well be one of the most aesthetically perfect specimens living under the waves. It is so beautiful to look at that it almost hurts. And, indeed, the striped surgeonfish hurts about 50,000 people a year unlucky enough to come in contact with its venom.

2. Barracuda

Barracuda Top 10 Most Dangerous Sea Creatures 2017


While the song by Heart has a killer riff, actual barracuda have a killer set of teeth. It is true that there are creatures in the sea that are significantly more dangerous, but most of really, really badass creatures do not come into contact with people very often. The same cannot be accurately said of…ooooh….barracuda.

1. Stonefish


Not to offend sharks at all, but compared to a stonefish, the shark really does seem like a happy, smiling Tom Hanks. Tracing along the back of the stonefish are spines that are roughly the same as having needles pushed deep into your flesh. Since the stonefish lives a sedentary life of just waiting on the bottom of the ocean for someone to come along and step on it, it is responsible for a number of oblivious beachgoers suffering the effects of having come into contact with what is usually regarded as the most unpleasant venom in the entire animal kingdom.

Forget the pain of actually stepping on a stonefish—something you won’t be able to do in real life—the real reason this underground rock of paining ranks at the head of the top 10 most dangerous sea creatures 2017 is because the effects can of the venom will cause your kidneys to hurt and your legs to go wobbly and your head to feel like it’s going to bust open. There is good news, however: while more than capable of killing a human within 24 hours, the anti-venom to stem the tide of death is widely available. Of course, you may not actually want to be among the living while the venom works its way out of your system.

The top 10 most dangerous sea creatures 2017 are merely the cream of an often sloppy crop. But here’s the really scary part: there are almost certainly as many more dangerous creatures deeper down than humans can tolerate at the moment than exist within our rather limited area of engagement. Mull that one over for a few minutes.

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