Author Topic: As more male bass switch sex, a strange fish story expands  (Read 1721 times)

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Offline iamusul

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As more male bass switch sex, a strange fish story expands
« on: August 07, 2014, 07:30:35 PM »
http://www.washingtonpost.com/national/health-science/as-more-male-bass-switch-sex-a-strange-fish-story-expands/2014/08/03/89799b08-11ad-11e4-8936-26932bcfd6ed_story.html



By Darryl Fears August 3 
At first she was surprised. Then she was disturbed. Now she’s a little alarmed. Each time a different batch of male fish with eggs in their testes shows up in the Chesapeake Bay watershed, Vicki Blazer’s eyebrows arch a bit higher.


In the latest study, smallmouth bass and white sucker fish captured at 16 sites in the Delaware, Ohio and Susquehanna rivers in Pennsylvania had crossed over into a category called intersex, an organism with two genders.


“I did not expect to find it quite as widespread,” said Blazer, a U.S. Geological Survey biologist who studies fish. Since 2003, USGS scientists have discovered male smallmouth and largemouth bass with immature eggs in several areas of the Potomac River, including near the Blue Plains Advanced Wastewater Treatment Plant in the District.


The previous studies detected abnormal levels of compounds from chemicals such as herbicides and veterinary pharmaceuticals from farms, and from sewage system overflows near smallmouth-bass nesting areas in the Potomac.


Those endocrine-disrupting chemicals throw off functions that regulate hormones and the reproductive system. In the newest findings, at one polluted site in the Susquehanna near Hershey, Pa., 100 percent of male smallmouth bass that were sampled had eggs, Blazer said.




A magnification of a cross-section view of a smallmouth bass' testes that shows immature eggs, which are round circles on the monitor. (Ricky Carioti/The Washington Post)
With the mutant bass, she said, “we keep seeing . . . a correlation with the percent of agriculture in the watershed where we conduct a study.”


The fish that were dissected and analyzed by researchers swam downstream from farms and animal feed operations, where rains wash manure filled with various chemicals and hormones into streams and rivers.


It was a familiar finding. After the first intersex bass were found in the Potomac, the U.S. Fish and Wildlife Service made a remarkable discovery in follow-up research at Blue Plains: “We found female germ cells in the testes of 82 percent to 100 percent of the male smallmouth bass and in 23 percent of the males from . . . largemouth bass,” the agency said.


It is a problem that extends well beyond the Chesapeake Bay region, which includes the District, Virginia, Maryland, Delaware, West Virginia and Pennsylvania. Intersex bass were found by the USGS in the Columbia, Colorado and Mississippi river basins in 2009. Scientists have yet to identify a single chemical responsible for causing male fish to become part female.
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Offline zeker

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Re: As more male bass switch sex, a strange fish story expands
« Reply #1 on: August 08, 2014, 05:52:04 AM »
send them to the 'gender optional' white house.
 
I,m sure they'll set up a support network to help the fish establish that they are a unique and important part of the fabric of aqaurian society.. heck.. they already have schools.
of all the things I,ve lost.. I miss my mind, the most

Offline icrcc

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Re: As more male bass switch sex, a strange fish story expands
« Reply #2 on: August 08, 2014, 02:56:40 PM »
I will likely get myself into trouble here but is not only the fish!  >:D
It may never happen. Best to be prepared just in case.

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Offline iamusul

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Re: As more male bass switch sex, a strange fish story expands
« Reply #3 on: August 08, 2014, 03:49:22 PM »
I will likely get myself into trouble here but is not only the fish!  >:D

One must wonder if this is part of the rise of the "Metrosexual Lifestyle", so in vogue these days???
It also helps explain younger and younger girls having earlier than normal menstruation, and breast development.

I have not read anywhere that these estrogen mimics, or birth control usage are being removed by modern water treatment.

Has anyone else read of this anywhere???

Offline zeker

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Re: As more male bass switch sex, a strange fish story expands
« Reply #4 on: August 08, 2014, 04:41:51 PM »
I am an independant researcher in some of these fields. the workload is killing me. so much to see.. so much to do..but.. I perservere.. for humanity's sake  ???
of all the things I,ve lost.. I miss my mind, the most

Offline icrcc

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Re: As more male bass switch sex, a strange fish story expands
« Reply #5 on: August 09, 2014, 12:06:31 AM »
I will likely get myself into trouble here but is not only the fish!  >:D

One must wonder if this is part of the rise of the "Metrosexual Lifestyle", so in vogue these days???
It also helps explain younger and younger girls having earlier than normal menstruation, and breast development.

I have not read anywhere that these estrogen mimics, or birth control usage are being removed by modern water treatment.

Has anyone else read of this anywhere???


No it does not remove these or other medications at ALL.
It may never happen. Best to be prepared just in case.

http://www.preparingforthefuture.org/index.php
http://ontariopreparedness.com/