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10 Most Dangerous Jellyfish


10 Most Dangerous Jellyfish


10. Dipulmaria Antarctica Jellyfish

It is species of Antarctic Jellyfish from Ulmaridae family and grows up to 7 inches (18cm) in diameter. This specie has 20-48 compressed white tentacles and frontal lobe. It has a reddish-orange stomach and oral arm of the same color.

These species can be found in Antarctica.

10 most dangerous jellyfish


9. Blue Jellyfish

Blue jellyfish is also known as Cyanea Iamarckii or Bluefire jellyfish. It is from Cyaneidae family.

It can be found in the pelagic zone off the west coast, Scotland. The North Sea and the Irish sea.

It has a blue tone and grows up to 10 to 20cm. but this species rarely grows larger than 15cm. Blue Jellyfish lives on eating phytoplankton along with eggs and larvae of aquatic animals such as fish.

10 most dangerous jellyfish

8. Purple Striped Jellyfish

This specie is also known as Chrysaora colorata. This species can be found off the coast of California in Monterey Bay. The body of this fish is up to 70cm in diameter, typically with a purple pattern of stripes. The tentacles differ with the age of the individual.

It lives on zooplankton, larval fish, salps, other jellies, and fish eggs.

10 most dangerous jellyfish

7. Sea Nettle Jellyfish

Sea nettle jellyfish is also known as Chrysaora quinquecirrha, is a specie can be found in tropical and subtropical parts of India, Pacific, and Atlantic ocean. It can be seen along the eastern coast of America.

It is typically pale, yellowish or pinkish. Frequently with radiating deep color.

It consumes bay anchovy, worms, mosquitos larvae, and minnows.

Sea Nettle Jellyfish causes nonlethal, but a painful rash. It can remain for more than 20 minutes. But some reported that they had more severe effects.

10 most dangerous jellyfish

6. Lion’s Mane Jellyfish

Lion’s mane jellyfish or hairy jellyfish or also called Giant Jellyfish. It is the largest known species of jellyfish. Its range is limited to cold waters of the Arctic, northern Pacific, and northern Atlantic. Its bell had a diameter of 2.3 meters and tentacles 37 meters (120ft) long.

It consumes by pulling in fish, sea creatures and smaller jellyfish.

Its sting can cause temporary pain and redness. But its stings are not known to be fatal. Vinegar can be used to wash the rash. But it is recommended to get medical treatment after exposure.

In the list of 10 most dangerous jellyfish lion’s mane jellyfish in on position 6th.

10 most dangerous jellyfish

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5. Moon Jellyfish

Moon jellyfish is also known as Aurelia Aurita. This specie is widely studied of the genus.

This jellyfish is translucent. It is about 25-40cm in diameter and can be recognized by its four horseshoe-shaped gonads from the top of the bell. It eats medusa, plankton, and mollusks by bringing it into its body of digestion with the help of its tentacles.

10 most dangerous jellyfish


4. Cannonball Jellyfish

Cannonball jellyfish is also known as cabbage head jellyfish. It is from Stomolophidae family. Its name is derived from its shape and size like a cannonball. Cannonball jellyfish bell can reach up to 25cm in diameter. Its rim is sometimes colored with brown pigments.

The cannonball jellyfish have been found near the Pacific ocean and the mid-west Atlantic ocean. This specie eat zooplankton like veligers and all forms of red drum larvae.

Its toxin can harm small fishes in a small area. But cannot harm any human or animal. However still, the toxin can cause irregular heartbeats. But there is no risk of a heart attack.

10 most dangerous jellyfish

3. Portuguese man o’ war Jellyfish

Portuguese Man o’ war is also known as the man of war. Its binomial name is Physalia physalis. One of the world’s most venomous creature. It can be found in the Atlantic, Pacific and Indian ocean. It is translucent and is colored blue, pink, mauve and purple.

Its tentacles are typically 10 meters long and can reach up to 30 meters.

They consume such as fish and plankton. But this specie has few predators of its own. One of them is a turtle. Because turtle’s skin, tongue, and throat are soo thick that sting cannot penetrate.

But it is still venomous and can kill fishes and sometimes a human. In Australia, 10,000 cases are reported yearly.

10 most dangerous jellyfish

2. Irukandji Jellyfish

Irukandji Jellyfish is roughly a cubic centimeter in size but extremely venomous species of box jellyfish. They fire their stings into victims body and symptoms are knows as Irukandji Jellyfish.

It has a bell of 5 millimeters up to 25 millimeters and four tentacles which range from few centimeters up to 1 meter.

Its toxin is extremely powerful. As explained by Robert Drewe its toxin is 100 times stronger than cobra and 1,000 times stronger than a tarantula.

A lot of people have died because of its toxin.

10 most dangerous jellyfish

1. Box Jellyfish

In the list of 10 most dangerous jellyfish, box jellyfish is on position 1 because of its venom. Its venom is extremely painful and can be deadly for humans.

A grown box jellyfish has a size of 20cm each box side with tentacles up to 3 meters long.

It is known as the world’s most venomous creature but in human death, only some of these species are involved.

10 most dangerous jellyfish

Read more for an antidote for most venomous jellyfish

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