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Jellyfish defend themselves using nematocysts in their tentacles. Nematocysts are roughly the equivalent of having many tiny spears on the end of many tightly wound springs. Once something touches the jellyfish's tentacles, the nematocysts are launched. If you are stung, they are very painful and depending on the species of jellyfish, they can be very dangerous or even life-threatening. Jellyfish also use this same technique to catch prey.
Wiki User
∙ 14y ago
Wiki User
∙ 13y agoWell, the sting is the main defence. Im not sure if it even has any other defences, but Im guessing fleeing would also be a good defence.
The sting is the most effective though.
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What are jellyfishes ennemies?
bigger animals are the jellyfishes enemies.
What is jellyfish food source?
jellyfishes eat plankton fish and even feed on other jellyfishes
Are jellyfishes consumers?
No yes
How many people die by jellyfishes every year?
35 people die by jellyfishes every year.
Are jellyfishes important?
Yes, they are.
Are jellyfishes invertibrates?
yes
Do jellyfishes have a skeleton?
No. They are invertebrates.
Where does jellyfishes live?
sea
Do jellyfishes has antennae?
yup
What do jellyfish box do?
they sting worse than other jellyfishes also they are called box jellyfishes ?
What types of semaeostomeae jellyfish are there?
# Pelagiidae, long jellyfishes like the common Pelagia noctiluca# Cyaneidae, the lion's mane jellyfishes# Ulmaridae, flat jellyfishes like the moon jelly# Tiburonidae, some aberrant abyssal forms
Why do jellyfishes eggs float?
they are light
