Some are.
No they are not
Most jellyfish stings are not deadly, but stings of some species of the class Cubozoa and the Box jellyfish, such as the famous and especially toxic Irukandji jellyfish, can be deadly.
No; only specific jellyfish are. Actually, quite a few people around the workd eat jellyfish. Although, I do not recommend getting a jellyfish and cooking it to eat without training and/or experience.
The whale would win because it can just eat the box jellyfish. The box jellyfish's toxic is too small to damage the whale a little bit.
no there are other kinds of jellyfish that can kill humans like the Irukandji.
The box jellyfish since it has stronger and more powerful toxic than the portuguese man of war.
HOW MUCH DOES THE BOX JELLYFISH cost £1555
Jellyfish do not have any bones.
Stings of some species of the class Cubozoa and the Box jellyfish, such as the famous and especially toxic Irukandji jellyfish, can be deadly. The sea wasp, a box jellyfish found in Australian waters, can kill an adult human within a few minutes.
Yes, they're toxic. Occasionally someone dies from it.yes but they are usually not fatal
Jellyfish are pretty much transparent. So yeah I guess there could be an 'orange jellyfish'.