jellyfish are under threat because of all the rubbish in the water there biggest threats are turtles as they eat them with is good for us nut not good for them because jellyfish clean the ocean,
If you mean what would you be afraid of if you were a jelly, you would be afraid of being eaten.
Depending on what species of jelly you are, turtles, mola mola, sea birds, and other jellies prey on jellyfishes.
Storms wash them up, climate changes can break or make cycles, marine debris can negatively contribute, but considering all that may, or may not be against them, jellyfish around the planet continue to thrive and in many cases are blooming faster than ever. There are many places that a major balance has taken hold, such as off Florida and the Gulf and others as well.
Box jellyfish venom is the most deadly in the animal kingdom and has caused at least 5,568 recorded deaths since 1954, each tentacle has about 500,000 cnidocytes which are harpoon shaped needles that inject venom into the victim.
because they can sting you really bad
Some jelly fish are dangerous some aren't.The dangerous one will sting you and the human body will react either with illness and injury or sometimes death.
Contact with a jellyfish tentacle can trigger millions of nematocysts to pierce the skin and inject venom.
Box cutter fish
Jellyfish stings are poisonous.
Yes
First of all, the man-of-war is not a true jellyfish. Its body is filled with air. To be a jellyfish the "bag" of their body has to be filled with water. Also a box jellyfish is more dangerous. The box jellyfish is the most dangerous jellyfish in the world.
The box jellyfish is lethally dangerous if you have been stung over more than a few square centimeters of skin.
Their venom.
Clear
Most jellyfish are not dangerous. The Man o' War has the ability to do some painful damage to your skin, but it is not a true jellyfish . . .
Yes, both dangerous and friendly :-)
They can sting you and it hurts! Trust me, I know...
Some jellyfish stings are dangerous to humans.
A jellyfish has tentacles which can sting by injecting a toxin. Jellyfish can be extremely dangerous, despite being a very primitive type of organism with no skeletal system.
no that is just a color
IDK.Box jellyfish, Portuguese Man o war, Sea nettle, Earacounge (Ear-a-con-g). IDK the rest