Jellyfish

Rare giant phantom jellyfish found near Argentina during early February mission

The jellyfish has a bell size of up to one meter in diameter, and its four arms can reach lengths of up to about ten meters.

 A jellyfish is seen near a boat by the coast of Haifa at the Mediterranean sea, Israel July 25, 2022.
THE NATURAL HABITAT of Cassiopea andromeda in the Gulf of Aqaba, Eilat.

BIU study reveals that origin of sleeping in humans is deduced from jellyfish, sea anemones

WHITE-SPOTTED jellyfish are pictured at Lisbon Oceanarium in Lisbon on October 8, 2025.

Israeli toddler in critical condition after suffering jellyfish sting in Philippines - Ynet

Illustration: Jellyfish. Very weak swimmers, making escape from intake currents nearly impossible.

Jellyfish Invasion: How a Nuclear Power Plant Was Shut Down


Letters to the Editor: Benefit of the doubt

Readers of the Jerusalem Post have their say.

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Israel's jellyfish season arrives, might as well wade in and enjoy it

Where do Israel's jellyfish come from, what should you do if you get stung, and how long will they stay? We talked to some experts.

 Illustrative image of jellyfish.

Jellyfish season in Israel: What to do if you get stung

MDA paramedic Aryeh Myers gave some helpful advice on what to do if a person comes in contact with a jellyfish.

Nomad jellyfish (Rhopilema nomadica)

Jellyfish season in Israel: What to do if you get stung

Magen David Adom (MDA) paramedic Aryeh Myers gave some helpful advice on what to do if one comes in contact with a jellyfish.

Nomad jellyfish (Rhopilema nomadica)

New study discovers where Israel's jellyfish come from

A University of Haifa study found that Israel's jellyfish come from the beaches opposite the eastern side of the Nile Delta.

AT LEAST eight types of Jellyfish populate Israeli waters, most of which don’t sting

Mind readers: Caltech scientists find way to watch jellyfish's brain activity

Caltech scientists hope to use the knowledge they gain from observing jellyfish brains to understand nervous systems in general.

AT LEAST eight types of Jellyfish populate Israeli waters, most of which don’t sting

Significant increase in jellyfish related injuries on Israel's beaches

Over the last two months, some 29 incidents of jellyfish stings have been reported by Magen David Adom, with 16 of those requiring paramedic assistance and further treatment in a hospital.

AT LEAST eight types of Jellyfish populate Israeli waters, most of which don’t sting

Jellyfish swarms tracked along coastline in Haifa University study

Haifa University is tracking swarms of jellyfish along the coast. The aim is to research whether jellyfish drift in the current or swim on their own

Jellyfish - submarine photo

What active measures can be taken to to end environmental injustice

A recent study suggests marine animals ingest plastics due to aromas that the debris emits.

A DEAD giant sea turtle is washed ashore on Tel Aviv’s Trumpeldor Beach.

Are Israel's jellyfish getting larger? And what could it mean? - study

Some suggest that the decrease in human presence along the country's shores that is a direct result of the coronavirus can partially explain the phenomenon.

The “pink jellyfish.”