Jellyfish are the oldest marine inhabitants that appeared hundreds of millions of years ago. These underwater inhabitants got their name because of their resemblance to a mythical creature - Medusa Gorgona. The body of these representatives of the animal marine world is more than 90% composed of water. Their favorite habitat is salt water. Translucent beings are the subject of research by scientists. Poisonous and largest jellyfish are of particular interest.
The ranking lists the most dangerous and largest jellyfish in the world.
10. Medusa Irukanji | 10 centimeters
Medusa Irukanji - One of the most poisonous Pacific jellyfish. The main habitat is Australian waters. The diameter of its dome is about 10 centimeters. Irukanji has four tentacles, the length of which can reach 1 meter. A jellyfish bite is dangerous for a person and can cause a number of unpleasant consequences: pain throughout the body, nausea, vomiting, tachycardia, and even pulmonary edema. In rare cases, death may occur. Irukaji venom has a delayed effect, so symptoms can occur within a few days. Despite its small size, it poses a certain risk for swimmers.
9. Jellyfish Pelagia | 12 centimeters
Jellyfish Pelagia (Nochesvetka) - one of the most beautiful disco-jellyfish, which is common in the waters of the World and Atlantic Oceans, as well as in the Red and Mediterranean Seas. The body diameter of the jellyfish reaches 12 centimeters. The color of the umbrella is purple-red and has ornate frills at the edges. In addition to stinging cells and tentacles, Pelagia has four oral cavities. The jellyfish begins to glow at the moment of contact with any objects. The main living creatures of Nochesvetka are benthos, sometimes fry and crustaceans. Jellyfish poses a certain danger to a person, as its injected poison causes a burn, and in some cases a shock.
8. Portuguese boat | 25 centimeters
Portuguese boat (Physalia) - a jellyfish is a bubble in the form of a “sailboat” floating on the surface of the water. The body of the “sailboat” is 25 centimeters, but the tentacles of Physalia can reach 50 meters, which it hides under water. Has a beautiful blue or purple color. The Portuguese boat prefers to eat fish larvae and small squids. Physalia is one of the most poisonous marine jellyfish. In contact with its tentacles, a person receives a severe burn, which is accompanied by acute pain. The injected poison is able to paralyze all vital organs, therefore it is difficult for a stung swimmer to stay on the water, and the person is drowning. The Portuguese boat is easy to see from afar, thanks to the bright and beautiful color, so you can avoid meeting him when sailing.
7. Aurelia | 40 centimeters
Aurelia (Long-eared jellyfish) - one of the most common types of large jellyfish. The body of Aurelia is almost transparent and reaches 40 centimeters. Numerous thin tentacles have stinging cells that infect prey. Four oral lobes resemble drooping ears, so Aurelia was called Ushastaya. This species feeds mainly on plankton and crustaceans. A long-eared jellyfish is not dangerous for a person, and its bite can only cause a burn. In Asian countries, Aurelia is used to prepare exotic dishes.
6. Australian Sea Wasp | 45 centimeters
Australian Sea Wasp - the most poisonous inhabitant of the oceans. The main habitat of the species are the coasts of Indonesia and Australia. The dome of the Sea Wasp is 45 centimeters and is equipped with 60 tentacles, which when hunting for prey can reach more than 3 meters. A marine animal has 24 eyes. She instantly stings a passing object in several places at once. Death from bites of a poisonous jellyfish can occur literally in a few minutes. A stung swimmer receives a dose sufficient for a heart attack, and often drowns. It is quite difficult to notice this jellyfish because of transparency. Australian wasp feeds on small fish and shrimp.
5. Cornerot | 60 centimeters
Cornerot - one of the largest marine jellyfishliving in the Black and Mediterranean Seas. The weight of the marine life can reach 10 kg, and the diameter of the dome is 60 centimeters. For humans, Cornerot does not pose a danger and is able to cause only slight irritation in contact with tentacles. Cornerot's umbrella is a haven for small fish that hide under the dome from danger. This species eats only plankton. Jellyfish are actively used in medicine for the preparation of medicines, as well as in cooking. In Japan, Thailand and China from Cornerot prepare a variety of dishes.
4. Purple striped jellyfish | 70 centimeters
Purple striped jellyfish - One of the largest and most elegant jellyfish that lives in the Montai Gulf. The dome of the animal reaches 70 centimeters and has a saturated color. A violet jellyfish bite can threaten a person with a severe burn. This species has not yet been thoroughly studied by science, so there is very little information about the animal.
3. Jellyfish Chrysora | 1 meter
Jellyfish Chrysora (Sea nettle) - an inhabitant of the Pacific Ocean opens the three of the largest jellyfish in the world. The body of an adult Chriasora is able to reach 1 meter, and numerous tentacles - 4 meters. Tentacles torn from the body can exist separately in the deep sea for several weeks and sting. Sea nettle bites leave burns in the form of thin scars. Victims experience sharp pain and burning sensation, but do not pose a threat to human health. Chriasora is one of the most beautiful representatives of her species, so the animal is often kept in aquariums and aquariums. In the open spaces of the sea, nettles feed on plankton and small jellyfish.
2. The bell of Nomur | 2 meters
Bell of nomur (Lion's mane) - one of the largest species of jellyfish living in the seas of the Far East. The size of Nomur is 2 meters, and its weight can reach 200 kg. Sea animals harm the fishing industry. A giant hairy ball hits the net, tangling them. When fishermen try to free the net, Nomura abruptly stings a person. In case of an allergic reaction to poison, a lethal outcome from a bite of the Lion's mane is possible. From time to time, large-scale accumulations of Nomura are observed off the coast of the Sea of Japan.
1. Hairy Cyanoea | 2.3 meters
Hairy cyan - takes first place among the giant jellyfish in the world. The body of individual individuals of Cyanae is capable of reaching 2.3 meters, and the length of the tentacles is 37 meters. The main habitat of this species are the seas and oceans. These jellyfish rarely approach the coast and prefer to exist at 20 meter depths. Giant Cyaney does not pose a serious danger to humans. Her bite can only cause a burn. Large individuals feed on plankton and other jellyfish.