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Very close to the beach and will stay with us for 6 weeks: the jellyfish are already on their way
The "migrating wire", the common jellyfish in Israel, is made of a material similar to jelly and at the end of its arms there are microscopic syringes loaded with a scorching substance.
She came to the shores of the country in the 70s, and since then she is here to stay.
"Aerial photographs show the huge swarms on the way."
you have been warned
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Jellyfish
summer
Yoav Itiel
Tuesday, 15 June 2021, 12:42 Updated: 12:44
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The jellyfish are not quite here yet, but given their performances in recent weeks, they are expected to start burning the masses of Israelis who spend time at the beach in the coming weeks. The itching and rashes they cause are also compounded this year by the fear of a dirty encounter with tar.
"We have not yet identified swarms, but we are waiting for them to arrive," she told Walla! Prof. Tamar Lotan, Head of the Leon Charney Department of Marine Biology at the University of Haifa. Lotan is an international expert on jellyfish. "They usually reach the shores of Israel in the third week of June and disappear in the first week of August, but it should be emphasized that this is only average." In 2015 they arrived in May and remained for three whole months. In 2016 we spent a whole year without swarms of jellyfish, in 2017 there was a regular swarm of a month and a half and in 2018 a tiny swarm entered only at the end of August. "There is no scientific basis for predictions about swarms The expected jellyfish - not when they will arrive, not when the peak of the season is expected and not what their quantity will be, "she emphasized.
In contrast, marine ecologist Dr. Dor Adelist knows how to observe the behavior of jellyfish with burnt arms. “They are currently a few hundred meters from shore.
In the coming days they will enter, and they are expected to stay with us for about six weeks, "he said. Adelist relies, among other things, on observations of civilians such as aerial photography by Ido Mairovich. , Developed by Dr. Adelist and Prof. Dror Angel.
The two are members of the Israeli Association of Ecology and Environmental Sciences, where researchers and citizens collaborate in tracking jellyfish swarms on beaches.
In the app, you can also get up-to-date data regarding tar shows on the shores of Israel.
For tracking the jellyfish swarms - "Jellyfish in the People"
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Arrived in the 70s, and has been here ever since to stay.
The Wandering Jellyfish (Photo: Giphy)
The jellyfish will not disappear from the shores in the foreseeable future.
"The jellyfish is an animal about five hundred million years old. It is a long time, it is a creature with amazing survival," Lotan testified, adding that "they can live in severe pollution conditions and can live with much less oxygen than we think is required. They have outgoing adaptability. In general, for changing conditions. "
The jellyfish in question, the "migrating wire", is common on the shores of Israel.
It arrived in the late 1970s and a decade later was observed in huge swarms.
It is named after the many threads that characterize it and hang from a kind of flattened and rough bell.
Its color is white, it is large and very common all year round.
Contact with it is accompanied by a strong burn.
The jellyfish are on their way to us, and will stay with us for six weeks.
Dr. Dor Adelist (Photo: Official Website, University of Haifa)
It is commonly thought that this species of jellyfish came from the Indian Ocean and appeared with us with the opening of the Suez Canal in 1973, having been blocked in the years before that. "I'm not sure, because in fact there is no such jellyfish anywhere in the world except here in the eastern basin of the Mediterranean," says Prof. Lotan. "Every year in the summer we get large swarms of jellyfish. This is mainly due to their life cycle. By the way, there are always swarms, even in February, but people don't go into the water this season so less talk about it," she noted.
"The jellyfish is interesting because it has abilities that other creatures have, such as its adaptability, its ability to move and its ability to burn," Lotan analyzed. "Mechanical and chemical."
When the jellyfish senses these two stimuli, its syringes are activated.
"The burn is not fatal to a person, but if someone is burned in a large area of the body, or if symptoms such as nausea or high fever appear - he should go to the emergency room as inflammation can occur. In all other cases you should simply rinse with water and treat the burn as an open wound or burn." Lotan concluded.
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