RE: [GSAS-Member] fish hormones

["Mark Pearlscott" <mark@pearlscott.com>]

Susan,

Sorry you couldn't make it to the killifish meeting this past Saturday.  I
hope you are feeling well.

As for the hormone question, it works in most killifish too.  The largest
male suppresses the smaller males (in the same tank) by hormones and also
intimidation.  People with flow through water change systems (vs.
recirculating) see faster growth in the fish due to the flushing of hormones
out of the tank.  So, you don't necessarily have to remove the fish from the
tank, just do more water changes... which is a good thing anyhow.

Mark
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Mark Pearlscott, killifish addict.
A Member of:
AKA - http://www.aka.org
NWK - http://nwk.aka.org
PSK - http://groups.yahoo.com/group/pugetsoundkillies/
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 


> -----Original Message-----
> From: gsas-member-bounces@thekrib.com [mailto:gsas-member-
> bounces@thekrib.com] On Behalf Of Susan Welenofsky
> Sent: Monday, December 06, 2004 9:21 PM
> To: GSAS Member Chat
> Subject: [GSAS-Member] fish hormones
> 
> Does anyone know if other fish besides discus make hormones that keep the
> smaller fish small? I have a tank of Africans, and while the big
> Placidochromis electras are getting bigger, the daffodil brichardis seem
> to
> be about the same size. I'm thinking about moving all the little ones to
> another tank if this is true.
> 
> 
> 
> Susan
> 
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