Google Translation of The three-eyed fish from The Simpsons was an Argentine, Infobae (Argentina), October 29, 2011:
A group of fishermen caught a three-eyed wolf fish in a lake near a nuclear power plant in Cordova.
The discovery occurred in the reservoir lake called “Hot Water Jet”, which is located near the nuclear power dam, as published in the site Cordoba String3.
“We were fishing and we got the surprise of getting this rare specimen. As it was dark at that time we did not notice, but then you looked at him with a flashlight and saw that he had a third eye,” Julian told Zmutt, one of the fishermen.
Zmutt said it was the first time that happens and that the discovery began to worry people because “they start talking about nuclear power.”
He added that the copy is in the freezer of one of the fishermen and that after some tests he thinks make embalming.
Three-eyed fish caught in Argentina, 9 News MSN, October 30 2011:
[...] Mr Zmutt said this was the first time he had caught a three-eyed fish, and said local residents are now complaining that radiation has spread from the plant into the lake. [...]
In an early episode of The Simpsons, a three-eyed fish named ‘Blinky’ was caught from waters near the Springfield nuclear power plant where Homer Simpson worked.
The Simpsons Called It: Three Eyed Fish Caught Outside a Nuclear Power Plant, Gizmodo, October 29, 2011:
Fishermen in Córdoba, Argentina caught a three-eyed wolf fish in a reservoir fed by a local nuclear power plant, which will surely hinder the plant’s owner’s attempt to run for local office.
[...] The fishermen say their discovery [...] has begun to worry local residents who live near the reactor.
[...] probable high levels of radiation [...]
Published: October 30th, 2011 at 12:00 am ET