Sharks have been found in the River Thames in London, said the animal conservation organization the Zoological Society of London (ZSL). In 1957, parts of the river were declared “biologically dead”, but now it is home to three types of sharks: the star greyhound, the star greyhound, and the dogfish. The river is also home to 115 species of fish and wildlife, from seahorses to seals. This was revealed by ZSL in their “State of the Thames” report, which was prepared after a comprehensive review of the waterway from the 1950s to the present day.
Last year, the animal conservation charity launched the “Great Thames Shark Project”. To present his report, he collected data on endangered shark species that live in the Outer Estuary, a large part of a river where it meets the sea.
In its review of the collected data, ZSL found that the Thames is no longer “almost lifeless”, even after parts of the river were declared biologically dead 64 years ago. Found that 115 species of fish and wildlife live in the Thames ZSL also found that three types of sharks live there.
While Tope sharks can grow to over 6 feet long and can survive for over 50 years, the other two species of sharks, the star greyhound and dogfish found in the Thames, are smaller and are also in danger of extinction.
L’Union internationale pour la conservation de la nature (IUCN), which evaluates the risk of extinction of species and of sous-species in the list of species of men, a classé les requins Top comme étant en danger critique d’extinction in the world. The IUCN has classified eastern greyhound sharks as near threatened and Spurdog has been classified as vulnerable to extinction due to overfishing.
Meanwhile, ZSL has asked people who catch a shark with a yellow tag on its fin in the Thames to record details about the animal on its website.
Although ZSL expressed its joy after finding life forms in the Thames, it warned the relevant authorities to take action to save the river from the challenges posed by climate change and pollution. ZSL said that the temperature of the Thames is increasing by an average of 0.2 degrees Celsius every year.
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