Poisonous jellyfish of the world views with photos and names, how they look like

Our planet is unique, life is present in every sphere: in water, in the air, on the ground and even underground. The largest part of the earth is water. Aquatic environment is a special world inhabited by a variety of living creatures.

In the depths of the seas and oceans, many dangerous monsters live. Someone is terrible in large sizes and sharp teeth, like sharks. And there are animals whose main weapons are deadly poison.

Medus has no huge teeth, there are no fins and tail for the pursuit of prey, and they look quite harmless and not scary. But you should not get to know them better, many of them are poisonous and can not only leave a weak burn, but also kill.

Sea Wasp

Sea Osa belongs to the class of kubeduz like striking. Distributed in warm seas off the coast of Australia and Indonesia. These jellyfish have dimensions about 30-40 cm in diameter and are almost transparent. There is a small light blue shade.

This species is extremely poisonous. Its tentacles of its tentacles contain the most powerful poison in the world. Touching the jellyfish will cause burns, accompanied by unbearable pain.

If a person falls into a dense accumulation of sea OS, then his chances of survival will be small. The fact that these jellyfish are translucent creates an additional danger. After all, they can not be seen in the water in time.

Sea nettle

This jellyfish is also called Pacific, because it inhabit the coastal waters of the Pacific Ocean near Mexico, the USA and Japan. Switching nettle feeds with phytoplankton, fish and even other jellyfish. Contained in aquariums of many oceanariums and zoos.

It is quite large and has a beautiful brown-red color. The dome in diameter is about 50 cm, along it are four large tentacles up to 4.5 m long. There are also 24 regional tentacles a little shorter. The burn left by them is very painful, although not fatal. The action of poison is neutralized by citric or acetic acid.


Medusa Irukanji looks like a whitish bell measuring about 12 by 25 cm. Tentacles reach a length of 35 to 100 cm. Lives off the coast of Australia. In recent years, it has gained more widespread due to global warming.

This kind is not known about the propagation of jellyfish. It was also not possible to find out in limited animal conditions, because it does not multiply in captivity.

Medusa poison is extremely dangerous and there is no antidote against it. It causes a syndrome, accompanied by severe head, muscle pain, abdominal pain, tachycardia, nausea, swelling of the lungs. When burning, it is important to provide assistance to the victim on time and professionally, supporting his life until the poison is completely eliminated from the body.

Lion’s mane

The marine resident called “Lion Guns” is called hairy cyane. This is the largest type of jellyfish today.

It lives in the northern seas of the Pacific, Arctic and Atlantic Oceans. The dome of the jellyfish is an average of 50 cm in diameter, and it happens 2-2.5 m. The length of the tentacles can reach 30-35 m.

The dome of the jellyfish is divided into 8 shares, which is why it resembles an eight-pointed star. The tentacles are long, intertwined. Among them are transparent marginal and brightly painted in raspberry, purple or orange tentacles with poisonous stinging cells. The venue leaves painful burns, can cause an allergic reaction.


Phizalia is often attributed to jellyfish, but she is not. It belongs to the detachment of the siphonofor of the class of hydroidal and is a colony of polyp-symbiots.

This unusual organism consists of a swimming bubble and tentacles: digestive (gastrozoids) and having rocusing cells on their surface (dactylosoid). Poisonous tentacles amaze the prey and transmit it to the gastrozoids for further digestion.

In contact with physalia, a person has blisters on the skin, limbs go numb, lymph nodes swell. Maybe even paralysis occurs. The Mediterranean Sea, the tropical part of the Atlantic, the water of the southern part of Japan inhabit.


Cornerods are one of the squads of the scyphoid class, which includes approximately 80 species of jellyfish. The diameter of the corninero dome on average is about 60 cm. One representative of the detachment can weigh up to 10 kg.

A rather fleshy dome can be bluish or purple. Thick-plots hanging from under it are actually a modified mouth. Food is either captured by these blades and delivered directly to the mouth, or they are eaten by them. It depends on the specific type. Kornerotov poison is not fatal, but can leave burns and cause allergies.

Medus-cornerots can be found off the coast of the Black and Mediterranean Seas.


A cross or a cross a poisonous jellyfish inhabiting coastal Pacific waters near China on one side and California on the other. Cross a small jellyfish. The diameter of her dome is only 2.5-5 cm. The body is transparent, brown-red organs are located crossly inside it.

The jellyfish has 60 tentacles located along the edges of the dome-zontic and equipped with stinging cells. Tentacles tend to stretch and become longer than the dome itself. The poison enclosed in them is not fatal, but causes pain in case.

Medusa Alatina Alata

Alatina Alata is practically not visible in water due to its transparency. Because of this, it can not be considered in time and suffer from such a meeting, because the jellyfish is poisonous.

Lives in the waters of the Pacific, Atlantic, places of Indian oceans. The jellyfish is not the largest, it does not reach more than 30 cm in length.

The effect of its poison causes Irukanji syndrome (by the name of another Medusa), expressed by sharp head, muscle, gastric and other pains. The affected by Alatina Alata’s poison needs timely medical care up to the artificial ventilation of the lungs.


This type of jellyfish belongs to the detachment. Is very large, reaches a twometer length and two hundredkilogram mass. This giant lives near the coast of the East Chinese and Yellow Seas. He was seen in large quantities in the Tsushima Strait due to the penetration of warm masses of water there.

Nomura, due to its large size, has repeatedly caused damage to fishing vessels. Once a tenton trawler sank when the crew tried to climb on board the network, clogged with nomor jellyfish.

More than once a jellyfish of this species caused a person to harm his poison. The caught fish became poisoned in the places of the invasion of Nomura. Cases of “burns” of people themselves are frequent.

Pelagia is sipked

Nightoff representative of the detachment of discsus. It has a coloring of purple-red tones: the tentacles are brighter compared to the body. It is notable for the fact that in the dark, sea water because of it seems burning.

Diameter of the Non-combing umbrella 20-25 cm. Its edges are equipped with frills. The length of the tentacles reaches 2 meters. On the tentacles of Pelagia, like all poisonous jellyfish, there are stinging cells with poison.

The one who had the imprudence to touch the nightness has severe pain and burning. Occasionally a person experiences a state of shock. Representatives of this species are widespread in the Mediterranean and Red Seas.

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