In the television show The Simpsons a three-eyed fish dubbed Blinky derails Mr Burns' campaign to become Governor. Despite trying to put a positive spin on Blinky's extra assets Burn finds he cannot literally swallow him--Spitting out a mouthful of fish at a photo op at the Simpsons' house.
But surely there is nothing like Blinky actually in existence? After all, it stretches belief that nuclear outflow would really have such an obvious effect....
Wolf Fish (2011)
Fast forward to Argentina in 2011. Fishermen have caught a three-eyed wolf fish in a lake that received used coolant water from a nuclear power plant.
No word yet as to whether any local millionaires are running for public office.
Mutant Fish as Sentinels
Fish are often indicators of the presence of toxins in water supplies. they are essentially the aquatic version of the canary in the coal mine. For example a two-headed trout in Idaho (2012) was linked to selenium leaching into the water due to mining activities.
A three-eyed fish was caught and released in a Missouri pond.
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The symbolism of Christmas includes many animals. Both those associated with the Christ story and earlier pagan traditions.