Generally speaking, the jellyfish's first line of defense are its stinging cells. In particular, when attacked or otherwise distressed, some species of jellyfish will detach their tentacles, and, if the jellyfish are deep-sea or nocturnal, glow very brightly, thereby stunning its attacker.
bigger animals are the jellyfishes enemies.
jellyfishes eat plankton fish and even feed on other jellyfishes
No yes
35 people die by jellyfishes every year.
Yes, they are.
sea
yes
No. They are invertebrates.
yup
they sting worse than other jellyfishes also they are called box jellyfishes ?
# 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
Jellyfishes are not electrical.