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tduecen
TBD Fan
Member since Nov 2006
160821 posts

Two of the Largest Freshwater Fish in the World Declared Extinct

quote:

The Yangtze sturgeon lived in its namesake river for 140 million years. Now it doesn’t. Nor does another behemoth it shared China’s longest waterway with for ages, the Chinese paddlefish. Updating its Red List of Threatened Species on Thursday for the first time in 13 years, the International Union for Conservation of Nature declared the two species, known as “the last giants of the Yangtze,” extinct.
quote:

Once the largest freshwater fish in the world, the Yangtze sturgeon, Acipenser dabryanus, could reach 26 feet in length and weigh 1,500 pounds. Its historic range extended throughout Asia, including Japan, Korea, and the Yellow River in China. Dubbed a “living fossil,” it sported a rounded snout, large pectoral fins, and rows of elevated ridges on its spine and flanks. Though there are still captive fish in breeding programs, authorities, despite many efforts, have failed to successfully reintroduce the fish to the river system, and now it considered extinct in the wild.
quote:

The Chinese paddlefish, Psephurus gladius, could reach 23 feet in length and weigh a half a ton. It had a long silver-gray body, poorly developed eyesight, and a swordlike snout that it used to locate prey by sensing electrical activity. According to National Geographic, no paddlefish exist in captivity and no living tissues of the fish have been preserved, so there is no hope for its future.
quote:

Both fish declined precipitously after the construction of the Yangtze’s first dam, the Gzehouba Dam, in the late 1980s. The Yangtze sturgeon historically traveled 2,000 miles from the East China Sea to its spawning grounds above the dam. The last Chinese paddlefish ever seen was caught and tagged in 2003, the same year the Three Gorges Dam was built.
quote:

Both species were considered delicacies and were historically overfished. The paddlefish was once a favored food of ancient emperors, while the sturgeon’s caviar was highly valued. Pollution and ship travel likewise contributed to the fishes’ demise. The Yangtze sturgeon was particularly sensitive to noise and, according to National Geographic, scientists believed that industrial runoff may have caused some fish to change their sex from male to female.

The IUCN’s latest list of threatened species, stated that 100 percent of the world’s remaining 26 sturgeon species are now at risk of extinction, up from 85 percent in 2009
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Water
US Space Force Fan
Louisiana
Member since Jan 2020
256 posts

China is asshoe!


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Caraway Rye
Kentucky Fan
Member since Oct 2021
3831 posts
 Online 

Survival of the fittest

Bye bye


TheChosenOne
VCU Fan
Member since Dec 2005
17850 posts

quote:

scientists believed that industrial runoff may have caused some fish to change their sex from male to female.


Tranny Fish. Good riddance


phunkatron
New Orleans Pelicans Fan
Member since Jun 2019
1163 posts

That isn't how ecosystems work.


SuperSaint
New Orleans Pelicans Fan
Sorting Out OT BS Since '2007'
Member since Sep 2007
129936 posts

Damn you 2022


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Oates Mustache
US Space Force Fan
Member since Oct 2011
19258 posts

The Chinese are a fricking virus and plague upon the world. And humans in general are shite.


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543
GreatLakesTiger24
Member since May 2012
49189 posts

quote:

Survival of the fittest

Bye bye



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BigWillyMetry
Member since Dec 2021
1177 posts
 Online 

Pee pee in your coke


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150
Usual Suspect
US Space Force Fan
Living rent free
Member since Jun 2013
1921 posts



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TD SponsorTD Fan
USA
Member since 2001
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GRTiger
USA Fan
On a roof eating alligator pie
Member since Dec 2008
59718 posts

quote:

scientists believed that industrial runoff may have caused some fish to change their sex from male to female.


Quickest way to extinction. You hate to see it.


Fat and Happy
LSU Fan
Baton Rouge
Member since Jan 2013
14537 posts
 Online 

Why the frick they gotta catch these things to extinction?

A fish that size isn’t gonna be good to eat


TigahTeeth
LSU Fan
Georgia
Member since Feb 2016
4424 posts

What has China ever done good?


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121
Flashback
LSU Fan
reading the chicken bones
Member since Apr 2008
7099 posts

China doesnt give a frick about nature. I saw a video of one eating a couple of live baby birds. He swallowed them whole.


SuperSaint
New Orleans Pelicans Fan
Sorting Out OT BS Since '2007'
Member since Sep 2007
129936 posts

quote:

scientists believed that industrial runoff may have caused some fish to change their sex from male to female.





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bad93ex
US Navy Fan
Member since Sep 2018
16498 posts

Are we sure that we can’t just send billions of dollars over there to help bring them back from extinction?


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130
Warfox
LSU Fan
B.R. Native (now in MA)
Member since Apr 2017
2186 posts

quote:

China doesnt give a frick about nature. I saw a video of one eating a couple of live baby birds. He swallowed them whole.


That and the proclivity of some in their population for eating dogs.


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41
Stealth Matrix
UNO Fan
Member since Aug 2019
5622 posts

quote:

scientists believed that industrial runoff may have caused some fish to change their sex from male to female.

PrObLeMaTiC!!


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Bluefin
South Carolina Fan
The Banana Stand
Member since Apr 2011
12652 posts

quote:

Why the frick they gotta catch these things to extinction?

They probably think eating the fish’s flippers helps them get boners or something


Caraway Rye
Kentucky Fan
Member since Oct 2021
3831 posts
 Online 

quote:

That isn't how ecosystems work.



Sure it is

Humans arent the only animals to interfere

Beaver dams have been linked to multiple one off fish going extinct

This is nature

Bye bye fish


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