jellyfish, n.Trivia

Jellyfish don't have a brain

The arctic jellyfish has tentacles up to 120 feet long

Jellyfish have inhabited the earth's oceans for over 650 million years, making them more ancient than sharks and dinosaurs.

Jellyfish are the incredibly efficient swimmers, consuming 48% less oxygen than any other swimming animal.

Jellyfish have been known to shut down nuclear power plants by clogging sea-facing filters.

Jellyfish are biologically immortal.

Jellyfish are 95% water

Jellyfish are almost godlike --- there is a species that is immortal.

A jellyfish's mouth is also its anus.

Jellyfish are 98 percent water and will almost fully evaporate in the sun.

The irukandji jellyfish venom causes an unusual symptom where the victim has a feeling of "impending doom." The victim of so-called irukandji syndrome is so sure they are going to die, that they ask the doctors to kill them.

Jellyfish are brainless

A jellyfish has no ears, eyes, nose, brain or heart.

The jellyfish is able to clone itself

A jellyfish has no brain.

Jellyfish have been on Earth for over 650 million years

A jellyfish is 95% water

Jellyfish, despite having no brain, still need to sleep

Vodka can be used as a hair conditioner, to treat jellyfish stings and also makes an effective bug repellent.

jellyfish have been around even before dinosaurs?