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DO male fish such as male Beta's Have or produce testosterone?

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Karen W. (OP)

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DO male fish such as male Beta's Have or produce testosterone?

« on: 30/05/2007 04:37:01 »

I was thinking with how aggressive a Betta can be , Do aggressive male fish Produce Testosterone? How about any male fish for that matter?

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_Stefan_

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DO male fish such as male Beta's Have or produce testosterone?

« Reply #1 on: 30/05/2007 05:13:49 »

http://www.ncbi.nlm.nih.gov/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=3180734&dopt=Abstract
http://www.env-impact.geo.uu.se/87Foberg.pdf
http://www3.interscience.wiley.com/cgi-bin/abstract/112716550/ABSTRACT?CRETRY=1&SRETRY=0
http://www3.interscience.wiley.com/cgi-bin/abstract/110479554/ABSTRACT
http://etd-submit.etsu.edu/etd/theses/available/etd-0105105-175556/unrestricted/SmithT011305f.pdf

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Stefan
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kdlynn

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Re: DO male fish such as male Beta's Have or produce testosterone?

« Reply #2 on: 30/05/2007 05:31:40 »

that's quite a web address!

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_Stefan_

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DO male fish such as male Beta's Have or produce testosterone?

« Reply #3 on: 30/05/2007 05:38:08 »

It's actually 5 separate links

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Stefan
"No testimony is sufficient to establish a miracle, unless the testimony be of such a kind, that its falsehood would be more miraculous than the fact which it endeavors to establish." -David Hume

kdlynn

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Re: DO male fish such as male Beta's Have or produce testosterone?

« Reply #4 on: 30/05/2007 05:48:10 »

oh... right.... i saw that... erm... yeah

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Karen W. (OP)

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DO male fish such as male Beta's Have or produce testosterone?

« Reply #5 on: 30/05/2007 05:50:18 »

Thanks steven The links were great and so were your pictures are you into biology or fish management or such? Thanks alot so in answer to my question they do have testosterone! Interesting tests they peformed ..

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_Stefan_

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DO male fish such as male Beta's Have or produce testosterone?

« Reply #6 on: 30/05/2007 07:30:35 »

You're welcome Karen. I'm into biological science and I love Bettas. I've kept and bred them since 2004 but I'm taking a break from them atm. I plan to get back into them later this year

Cheers,

Stefan (pronounced Steff-an not Steeven :p ) .

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Stefan
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Karen W. (OP)

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DO male fish such as male Beta's Have or produce testosterone?

« Reply #7 on: 30/05/2007 08:01:35 »

OH Stefan, I am sorry My brothers name was spelled like This, "Stephan" and it is just habit we called him Steven.

I like your spelling thanks for the pronouncation of your name.. very nice!

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_Stefan_

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DO male fish such as male Beta's Have or produce testosterone?

« Reply #8 on: 30/05/2007 08:55:36 »

Lol that's OK Karen :p
I've been called Steven and Stephan a lot so it's nothing new to me :p

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Stefan
"No testimony is sufficient to establish a miracle, unless the testimony be of such a kind, that its falsehood would be more miraculous than the fact which it endeavors to establish." -David Hume

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