Re: D.maculatus

[Mike & Diane Wise <apistowise@bewellnet.com>]

Erick,

I have never heard of it in D. maculatus, only Crenicara puctulatum. Even C.
latruncularium, a closely related species, has no reports of sex changes that I
know of.

Mike Wise

"Jones, Erick" wrote:

> I've heard that D. Maculatus is one of the few freshwater species that can
> actually change sex dependent on presence of males. Much like many saltwater
> species do, the change is male to female. So you may try pulling the males
> as they develop to see if you get a higher percentage. No proof it is just
> what I've heard from reputable sources.
>
> Erick Jones
>
> -----Original Message-----
> From: Randy & Deb Carey [mailto:carey@spacestar.net]
> Sent: Monday, November 29, 1999 4:47 PM
> To: apisto@majordomo.pobox.com
> Subject: Re: D.maculatus
>
> I don't recall the age, but I do remember that it took a while.  Both Julio
> and I
> have been having a very hight female ratio. I once thought I had 9 females
> to
> every male.  However, it seems that some males are subdominant.  When I
> remove
> the obvious male, another fish might take his place as the obvious male in
> the
> tank.
>
> But if the fry are only 3 months old, I wouldn't panic...yet.  I can see it
> taking 5 months or so before any males emerge.  I'm pretty sure that they
> were
> well over an inch before showing.  (Next time, I'll have to document growth
> with
> photos.)
>
> --Randy
>
> Ken Laidlaw wrote:
>
> > Hi All,
> >
> > Does anyone know at what age/size D.maculatus begin to show the difference
> > between males and females.  My friend spawned them in August and they are
> > now approx 0.75"TL.  All 18 still look like females with clear tails. They
> > were spawned in de-ionised water with pH~5.
> >
> > Thanks,
> > Ken.
> >
> > -------------------------------------------------------------------------
> > This is the apistogramma mailing list, apisto@listbox.com.
> > For instructions on how to subscribe or unsubscribe or get help,
> > email apisto-request@listbox.com.
> > Search http://altavista.digital.com for "Apistogramma Mailing List
> Archives"!
>
> -------------------------------------------------------------------------
> This is the apistogramma mailing list, apisto@listbox.com.
> For instructions on how to subscribe or unsubscribe or get help,
> email apisto-request@listbox.com.
> Search http://altavista.digital.com for "Apistogramma Mailing List
> Archives"!
>
> -------------------------------------------------------------------------
> This is the apistogramma mailing list, apisto@listbox.com.
> For instructions on how to subscribe or unsubscribe or get help,
> email apisto-request@listbox.com.
> Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!



-------------------------------------------------------------------------
This is the apistogramma mailing list, apisto@listbox.com.
For instructions on how to subscribe or unsubscribe or get help,
email apisto-request@listbox.com.
Search http://altavista.digital.com for "Apistogramma Mailing List Archives"!