Though the toxins in their nematocysts are effective against their prey, V. velella is harmless to humans, either because its nematocysts are unable to pierce the skin, or perhaps because humans do not react to the toxins encapsulated in their nematocysts. Nevertheless, it is wise to avoid touching one's face or eyes after handling V. velella. Taken from wikipedia.
Yes
Florida's water is home to many species of jellyfish. Examples include by-the-wind sailor jellyfish, mushroom cap jellyfish, box jellyfish and sea nettle. The Portuguese man-of-war also live near Fort Lauderdale, but is not actually a jellyfish.
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 . . .
They can sting you and it hurts! Trust me, I know...
Yes, both dangerous and friendly :-)
Some jellyfish stings are dangerous to humans.
Your sentence cannot be understood!
i cant remember wat ep the dangerous flowers r in but if u want dangerous flower u need to watch sailor moon R the movie its awesome