Top 10 Most Dangerous Sea Creatures

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Box Jellyfish

The Box Jellyfish is the most dangerous sea animal. Because of this creature many human deaths occurred in Australia side rather than from snakes, sharp sharks and the saltwater crocodile. Their body colors are totally a bit transparent like mirror and almost pale blue in color because of this they seems like invisible. This Jellyfish have too much poison in it and it can kill almost 60 people at a time in hardly 4 minutes. Its Venom speed is too much high to kill the people.

Saltwater Crocodile

Saltwater crocodile is one of the most dangerous creatures of the sea, which have much power to kills the people .These saltwater crocodiles are the biggest and largest crocs on the planet.  These animals are the most of the most dangerous and sharp animal of Australia regions. They are 1200 kg by weight. They really have the most powerful bite in the whole world. Their jaws are 50 times more powerful than any shark fish. These crocs are just like murderers on sea because these crocs are not too fast in land but they are the biggest attackers on humans.

 Blue Ringed Octopus

Blue Ringed Octopus has almost 40 grams weight but they have too high poison in them that they can kill almost 30 people at a time. Their venom is 1300 times more and much highest than any cyanide poison. This kind of sea animal does not create problem with humans but when humans don’t be messy with them. There is no any cure of it but only this that treat the patient until the poison exclude and it takes almost 24 hours for that.


This stonefish is the most poisonous fish of this world. Their highest poison can create extreme body pain; it can paralyze and give heart attack. They usually don’t attack by self but in the defense they use their poison and kill the prey with its highest poison. The best thing is that cure is available from to escape its poison.

Flower Urchin

Flower urchin is more famous with its fastest and extreme poisonous body to make it a sharped poisonous creature of the sea. This poisonous sea creature has highest venom in it.Its sharp sting make the person paralyzed immediately. Sometime on the spot, a prey got dead.

Great Barracuda

Great Barracuda is the biggest attackers on its prey. It doesn’t attack too much but if someone snatch its prey from this creature then it do full fledge attack. If it appears in the sea then it’s really a caution for divers that stay away from it.Their body shape is like a torpedo and two big teeth which are more resemble to the razor. Their body have full of toxins, if touched then some symptoms like body weakness, nausea, vomiting and headache can cause.


Stingrays, a sea creature had killed the most famous man, Steve Irwin, who was a crocodile hunter in Australia; this creature is the biggest killer creature. This is one of the largest killer species on seas. These creatures do not attack to the swimmers but in their defend they attack on divers. A diver or swimmer must watch out his steps because this stingray attacks them when it feels any danger from divers. Their poison is too much high because anyone can be dead by its venom.

Cone Snail

Cone snails are one of the most poisonous creatures in the world. They are 10 to 15 centimeter in height. Their venom is poisonous that if a tiny drop of poison drops on the prey then that can be killed immediately. Their tiny drop is more than enough to kill 30 people. They can be found in the deepest reef water. They are also called a Cigarette Snail because if you having one Cigar rete and after finishing that you can die. So same,its drop of a poison work like that.

Sea snakes

Sea snakes are found in tropical area of Indian and Pacific Oceans. These creatures are match with cobra snake family. They are in longings almost 2 meters. They are not too sharp and fast, but they have very fast poison in it.Seasnakes are also the most poisonous creature of the oceans. Only 2 drop of their poison might kill almost 10 people.


Lionfishes are also a part of most poisonous family. These fishes look awesome but their venom is highly poisonous and extremely painful. They do not attack on the humans but it is highly recommended to the divers or the swimmers who dive in Caribbean Sea then they must not be near to the lionfishes. Lionfish only use their sting for defense but in this defense they prey got die by its venom.

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