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A report has warned of a “catastrophic” decline in freshwater fish, with practically a 3rd threatened by extinction.

Conservation teams stated 80 species have been identified to have gone extinct, 16 within the final 12 months alone.

Tens of millions of individuals depend on freshwater fish for meals and as a supply of earnings by angling and the pet commerce.

However numbers have plummeted on account of pressures together with air pollution, unsustainable fishing, and the damming and draining of rivers and wetlands.

The report stated populations of migratory fish have fallen by three-quarters within the final 50 years.

Over the identical time interval, populations of bigger species, often known as “megafish”, have crashed by 94%.

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The report, The World’s Forgotten Fishes, is by 16 conservation teams, together with WWF, the London Zoological Society (ZSL), International Wildlife Conservation and The Nature Conservancy.

Dead fish, Brazil

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In UK waters, the sturgeon and the burbot have vanished, salmon are disappearing and the European eel stays critically endangered.

In accordance with the WWF, a lot of the decline is pushed by the poor state of rivers, principally because of air pollution, dams and sewage.

It has referred to as on the federal government to revive freshwater habitats to good well being by correct enforcement of present legal guidelines, strengthening protections within the Setting Invoice and championing a powerful set of worldwide targets for the restoration of nature.

Dave Tickner, from WWF, stated freshwater habitats are a number of the most vibrant on earth, however – as this report reveals – they’re in catastrophic decline around the globe.

“Nature is in freefall and the UK is not any exception: wildlife struggles to outlive, not to mention thrive, in our polluted waters,” stated the organisation’s chief adviser on freshwater.

“If we’re to take this authorities’s environmental guarantees significantly, it should get its act collectively, clear up our rivers and restore our freshwater habitats to good well being. “

Sturgeon, Caspian river

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Carmen Revenga of The Nature Conservancy stated freshwater fish are a various and distinctive group of species that aren’t solely important for the wholesome functioning of our rivers, lakes and wetlands, however thousands and thousands of individuals, notably the poor, additionally rely upon them for his or her meals and earnings.

“It is now extra pressing than ever that we discover the collective political will and efficient collaboration with non-public sector, governments, NGOs and communities, to implement nature-based options that shield freshwater species, whereas additionally guaranteeing human wants are met,” she stated.

Commenting, Dr Jeremy Biggs, of the Freshwater Habitats Belief, stated to guard freshwater biodiversity, we have to think about each giant and small waters, and to guard all our freshwaters: ponds, lakes, streams and rivers.

Observe Helen on Twitter.

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