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Fish

Sniper fish. Photo: Dr. Orit Nafha, University of Haifa

Prosocial behavior in fish

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A new study conducted at the University of Haifa found that even the sniper fish, which lack the "higher" areas of the cerebral cortex, which are seen as being responsible for social behavior, act in a pro-social way towards their friends, until they feel "cheated"
The researchers built a robot in the shape of a large-mouthed bass fish - a natural predator of the Gambosids. Photo from the study: GIOVANNI POLVERINO

Terminator in the aquarium: meet the robotic fish that fights the invading species

Will terrifying robots be able to curb the spread of the gambosia fish, one of the most problematic invasive species in the world, and the environmental damage it causes?
The coral reef in Eilat. Photo: Daviddarom / Wikimedia.

The few and the fastest

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The earliest evidence of aquaculture 3,500 years ago - in the eastern Mediterranean

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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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Barracuda fish. Photo: Alexander Vasenin, Wikimedia.

Do the fish shrink?

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The Ribbonfish. Source: NOAA.

Bright fish skin is the inspiration for nanometer reflectors

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A three-spined prickly pear. Photography: Jack Wolf.

Animals also have a personality - which tends to blur in a group

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Along with the establishment of the fishing industry, a fish canning craft/industry developed in ancient Israel. Illustration: Lea von Littrow, c. 1914.

A Jew likes fish? - Chapter four - Canned fish

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

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The circles in the sand made by the Torquigener fish. Photo: Yoji Okata, from the article Role of Huge Geometric Circular Structures in the Reproduction of a Marine Pufferfish, 2013.

Circles in the sand - how a small fish creates great art

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Cod. Communicate using sounds. Photo: August Linnman.

Fish chatter

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Photochromic photograph of fishermen in the Sea of ​​Galilee between 1890 and 1905. Source: Library of Congress.

A Jew likes fish? - Chapter three - Tiberias: the capital of the Galilean fishing

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Zebra fish. Photo: Marrabbio2, Wikimedia.

social switch

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The relief "Fishermen" by Aharon Priber, 1956. Photograph by Y. hornbill Source: Wikimedia.

A Jew likes fish? - Chapter two - fish ponds during the Second Temple period and after

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Image courtesy of Alexander Vasenin (Wikimedia).

A lesson in leadership from….fish

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sun fish Photo: Per-Ola Norman, Wikimedia.

Forever following the sunfish

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The sailfish. Photo: Adam / Flickr.

What about a sailboat and a luxury car?

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Antarctica: The warm water seeps under the glaciers. Photo: shutterstock

Living according to the devil

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Cellulase 1JS4, a common enzyme found in detergents Credit: Pratulka/cc.

Biomimicry and washing powders

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Trout fish. Photo: waldemarpaet, cc 4.0

Trout fish and water treatment systems

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At the age of 11 days, bream larvae try to catch rotifers (single-celled creatures that appear as dots in the picture). Photo: Dr. Roy Holtzman

A study offers an explanation for the high mortality rate of fingerlings

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Fish scales, close-up. Photo: shutterstock

Dandruff: not a problem but a solution

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A fisherman holding an Atlantic cod fish (Gadus). Photo: shutterstock

To learn from the polar fish how to preserve blood and tissues for a long time

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Photo 3: bream larvae at the age of 11 days trying to catch rotifers (single-celled creatures that appear as dots in the picture). The behavior of water as a viscous liquid makes it difficult for the larvae to catch the rotifers, especially when the larvae are very small. Photo: Dr. Roy Holtzman

Research at Tel Aviv University offers an explanation for the high mortality rate of fingerlings

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