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Male Fish Becoming Female

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posted on Nov, 9 2004 @ 08:22 AM
I have heard of reptiles changing from male to female in harsh conditions to insure survival, but never fish.

The estrogen levels must really be at a high count to change the gender, I wonder if it affects other animals in the river systems also?

Researchers worry about estrogen and pollutants in the water.

November 8, 2004
By Tom Costello, Correspondent

BOULDER, Colo. - Researchers in Colorado have made a startling discovery. Fish, apparently male, are developing female sexual organs. Scientists believe it's the result of too much estrogen in the water and they're finding estrogen in rivers across the country.

In Colorado's rivers and streams, scientists are waist-deep in ritual of the season, using electric currents to stun native fish to the surface where they're measured and checked. But what they discovered in the white sucker fish has got even veteran scientists concerned.

posted on Nov, 9 2004 @ 08:30 AM
The thing actually causing the femenism of the males is called endocrine disruptors.

It happens not only to animals but also to humans.

posted on Nov, 18 2004 @ 11:19 PM
o god now the fish are getting sex changes! whats next?

posted on Nov, 18 2004 @ 11:22 PM

Originally posted by master28_9
o god now the fish are getting sex changes! whats next?

Exactly. I always thought only humans were crazy, guess not.


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