Marine biology

Octopus Americanus in the wild. Photo: Chelsea Bennice, Florida Atlantic University

Each arm of the octopus has its own function.

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For the first time, the arm movements of octopuses in diverse natural environments have been analyzed, revealing surprising patterns of role division and extraordinary motor flexibility.
Ashalim Forest in Beit Yarach. Reed grows on the front bordering the water. Photo: Prof. Avital Gazit

"The climate crisis threatens the Sea of Galilee" – coastal areas are being exposed, water quality is being damaged, and fish stocks are dwindling

A new comprehensive study by Prof. Avital Gazit and Dr. Tamar Zehari of Tel Aviv University reveals how long-term climate change is causing the sea level to recede in the Sea of Galilee, the growth of new vegetation, and damage to the ecosystem.
Eilat's northern coast near the Kinet Canal, 23/4/2024. Collecting details and photographs by Omri O'Oshai

Who painted the beaches of Eilat pink?

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In April 2023 and 2024, mass die-offs of planktonic amphipods occurred in the Gulf of Eilat. Researchers have found that this was the effect of seasonal circular currents called eddies.
A close-up photo of the tube's shell openings. Photography by Ayelet Nir

A snail without limits

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The 'pipe builder' snail was awarded the title of 'environmental engineer', in light of its contribution to the construction of rocky surfaces on the coastline and reducing their rate of weathering in an effective way. It came to the brink of extinction, but researchers from Ben Gurion University succeeded
The University of Haifa awarded an honorary doctorate to Maurice Kahn. Photo: Haifa University Spokesperson

The University of Haifa awarded a Doctor of Philosophy degree in honor of entrepreneur and philanthropist Maurice Kahn

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The title, which was awarded to Kahn as part of the events of the 52nd Board of Trustees of the University of Haifa, was awarded to him in recognition of his commitment to education and higher education and his support for the study of the Mediterranean Sea at the University of Haifa
Prof. Yaron Tykochinsky releases sea turtles. Photo courtesy of him

How can you tell if a green sea turtle will grow up to be male or female?

Researchers analyze the DNA and hormonal profile of the green turtles to understand their physiology, development and reproduction and ensure their survival
A diverse coral reef off the coast of Sinai. Illustration: depositphotos.com

The preservation of genetic diversity increases the chance of preserving the survival of corals in various extreme conditions

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A handful of olive pits from the facility at the Carmel forging site (photo by Ehud Galili)

The earliest evidence of the production of edible olives was found

Researchers from the Hebrew University, the University of Haifa, the Technion, Aviv University, the Volcanic Institute and other research institutions from Israel and the world discovered the find at a site from about 6,500 years ago that sank into the sea. In this way, the discovery predates you by about 4000 years
The mud crab. Source: Anirnoy, Wikimedia Commons.

On crustaceans in the dark and sensing mechanism

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Caesar fish of the generation. Not at all similar to the tiny minnow that was at the beginning of the journey. Photo: zsispeo.

A genetic map of the reef fish in the Gulf of Eilat

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The research revealed unusually rich and varied sponge gardens for the Israeli coast. Photo: Part of a study in Prof. Micha Ilan's laboratory at Tel Aviv University.

The secret of the sponge gardens

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The robotic arm of the underwater vehicle plucks the oysters from the seabed. Photo: MARUM – Center for Marine Environmental Sciences, University of Bremen.

Get to know the oysters that will help clean up oil spills

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wandering thread. Source: Technion spokesmen.

Poisoned darts underwater: researchers decipher the sting mechanism of the jellyfish

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Technology is expected to significantly increase the world's fish diet

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Microscope image: The image, taken with a fluorescent microscope, shows a large amount of viruses (the small dots) attacking archaea (the large dots). For the purpose of photography, seawater was taken, filtered to get rid of large cells such as algae and most of the bacterial cells, and the DNA was stained with a fluorescent substance that binds to it. Source: Courtesy of the Technion.

Ocean detectives: Researchers have discovered new viruses that attack marine microorganisms

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Cod. Communicate using sounds. Photo: August Linnman.

Fish chatter

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The bees of the sea

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sea ​​urchins Source: Nick Hobgood / Wikimedia.

Thorns and hedgehogs (in seawater)

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Coral reef. Photo: shutterstock

A tiny aquarium makes it possible to study the effect of climate change on microscopic processes in corals

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

An optimistic book about the coral reef in Eilat

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Cosmic scene with DNA, stars, solvents and atomic circles in oral flow.

The world's first six-armed octopus has been discovered

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