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The skeleton of the fish is in the dry part of the Loire Riverbed in western France.
According to thermographic analysis, almost 400 high temperatures were set in the northern hemisphere during summer.
The record was destroyed in 29 countries from May 1 to August 30 this year.
One third of the highest temperatures ever existed in Germany, followed by France and the Netherlands.
Analysis conducted by the California Institute of Climate Berkeley Earth.
During the summer, there were 1,200 places in the northern hemisphere.
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Source: Robert A. Rohde / Berkeley Earth. Maps Created Using Carto
This data included measurements from the Northern Hemisphere weather station, which has been observed for at least 40 years.
Some of this data is not yet subject to official review by the Meteorological Agency. In order to identify issues that may lead to incorrect review results, some of the records are sometimes discounted.
European heat wave
The heat waves in Europe in June and July have skyrocketed, sending many local and national records.
France set 46C, the highest ever, and Britain, Belgium, Germany, Luxembourg and the Netherlands also reported new highs.
According to Dr Robert Rohde, chief scientist at Berkeley Earth, a very large temperature record set in Europe this summer attracted attention.
"Some regions of Europe have more than 150 years of weather observations, but still record highs," the BBC said.
The range of hottest spells on the continent is clearly visible when looking at the breakdown when the temperature record is broken. At the end of July, constant temperature records were set in several European countries, including the United Kingdom.
According to Berkeley Earth data, more than 30 records were broken in the United States. In Japan, where 11 people died in the summer heat, the highest temperature ever was 10, the highest.
In summer, there were a total of 396 highs.
Most of the time temperature recording of measuring stations with data was discontinued in 2003, following 2010.
Dr. Rode said record high temperatures are part of the long-term trend of global warming.
"The warming of the earth makes it easier for weather stations to set new records. In the past, only about 2{7be40b84a6a43fc4fae13304fce9a2695859798abfc41afd127b9f8b21c5f9c5} of weather stations had new records every year."
But recently there are several years, such as 2019, when more than 5{7be40b84a6a43fc4fae13304fce9a2695859798abfc41afd127b9f8b21c5f9c5} of weather stations record new all-time highs.
In part, the number of new records is affected not only by the recorded temperature, but also where the heat waves occur. There are more weather stations in the United States and Europe. In other words, the heat wave in your area is likely to break more records.
However, as climate change, such as Europe's climate change, becomes more intense this summer, Dr. Rode said every year there will be more possibilities, although new places are not set up in every place.
Interactive tool: how much warmer the city is Choose from 1,000 major cities around the world
Warmest month
July 2019 was the warmest month in the world.
Globally, it was a bit warmer at 0.04 degrees Celsius (0.072 degrees Fahrenheit) than the hottest month on July 2016.
The new July record was confirmed by data from several agencies, following the worldwide record in June.
(If you don't see this chart, tap or click it. Wolf)
Scientists say it is the latest indication that the earth is experiencing unprecedented warming.
Scientists reported that the heat waves that hit Europe in July were intensified by human-induced climate change.
One study reported that warming increased the intensity of events affecting the UK, France and the Netherlands between 1.5 and 3C.
Dr. Friderike Otto of the University of Environmental Change Institute at Oxford said, “The heat wave in July 2019 was extremely extreme compared to continental Western Europe, so the observed magnitude would have been extremely small without climate change.” said. That report.
The heat wave in France is more than 10 times more than 100 times higher by human activity.
In the UK, short events took place at least three times, experts said.