Some are. All jellyfish sting their prey with nematocysts, but only some can hurt humans. Being touched by a jellyfish or touching one can be very uncomfortable, and may require medical attention. However most cases are that humans have no reaction. But because of the huge variation of responses to jellyfish stings, from no effect to death, it is wisest not to contact a jellyfish with bare skin, since even beached and dying jellyfish can still sting, when poked and prodded.
all jelly fish are poisonous
stings
yes
only some fish are poisonous to humans
a jelly fish
Yes, the Puffer Fish is a poisonous type of fish.
Humans!
prey
trees, poisonous mushrooms, poisonous fish, anything that seems inedible or poisonous.
it is a poisonous disease to the fish and humans
There are several poisonous animals that are found in the marine biome. These include jelly fish, sea urchins, and sea anemones.
some poisans fish have elvoved to non poisnas fish eg cod Also humans can eat it i guess
The atmosphere. a jelly fish and humans
Box jelly fishes are some of the most venomous animals in the world.
jelly fish don't eat people