The Thames River (London), which was declared biologically dead 64 years ago, was once again harboring a species of fish and animals. The good news was released by the Zoological Society of London (ZSL), last Wednesday, November 10, by Report on the state of the aforementioned river.
According to the analysis, the Thames, which was described in 1957 as “huge and smelly streams” due to the lack of oxygen for several kilometers of its course, today houses 115 species of fish and animals. The most surprising thing, according to ZSL, is that Unusual varieties appeared Like a sea dog, a kila, and a rare poisonous fish called Milga.
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The dog-fishGaleorhinus galeus, scientific name, is a species of shark that feeds on fish and crustaceans. It can measure up to 1.80 meters and weigh up to 48 kilograms. ZSL claims they can live for more than 50 years, but they are critically endangered worldwide, according to the Red List of Threatened Species.
dog-fish
La Caila (Mustelus asterias)For its part, it can weigh up to 11 kilograms and measure 1.2 meters. Their diet is mainly based on maricus, mollusks and crustaceans. It also belongs to the species of sharks.
Kayila
The spiny shark is a very distinctive shark, having a length of about 60 cm and is very thin. They are also covered with poisonous spines and only swim in deep water. Its venom can cause severe inconvenience to humans and it is one of the few fish found in sea water United kingdom.
Milga
Challenges facing climate change
ZSL emphasizes that the news is good for the Thames because it shows that there is a thriving ecosystem.
“This report has allowed us to see how far the Thames is on its way to recovery Since his death was declared biologicalZSL said.
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“In 1957 there were long stretches of The Times With very low oxygen concentrations due to all the pollution that entered it, a large part of the river was left devoid of life.”
However, there is still a major challenge to be resolved. There is still a slight decrease in the number of fish species in the intertidal areas of the Thames. Similarly, the ZSL report showed that the river temperature increases by an average of 0.2 °C per year, which means that Climate change also hinders the recovery process.
Grace Montgomery writes for News Collective, covering news, politics, business, technology, sport, entertainment, and lifestyle. She focuses on clear, reliable reporting and useful information, helping readers stay informed about current events, emerging trends, and stories that matter.