Re: [Killietalk] Terr. dolichopterus eggs not hatching, seem quite overdue!

[Fred Behrmann <athensaquatics at juno_com>]

Hi Joe and/Jason,  Keep in mind everytime you "start" and then stop the
embryo by looking at them with the bright light, you are making them
weaker and weaker so pretty soon they will never hatch. I prefer to store
my eggs in peat at 90F and burst them out at 3 months using 4" of
rainwater equivalent.       Fred  
On Thu, 10 May 2007 21:34:41 -0700 (PDT) robert nhan
<robertnhan at yahoo_com> writes:
> If you don't see the ring around the eyes, they are not ready.
>   In the past, I kept the peat around 78F all the time and the peat 
> was fairly moist.  When wetting the peat, use very softwater (around 
> 100ppm).  If you need to add air circulation, just use the airline 
> tubing, without the airstone and adjust the air to very low.
>    
>   Robert.
> 
> Joe Bulterman <jbulterman at yahoo_com> wrote:
>   Terr. dolichopterus eggs not hatching, seem quite overdue!
> 
> I acquired some eggs of Terranatos dolichopterus "Isla Raton" last 
> year. This is my first SA species, and is also my first peat diver. 
> I kept the eggs on peat in my fish room until just after the wetting 
> date on the bag. It was approximately three months ago, when I first 
> wet them, but nothing hatched. I then re-dried and re-bagged the 
> eggs for a month. 
> Using my Peak 25x pocket microscope I could see that the eyes were 
> well developed, and their vascular system was pumping away. I 
> therefore re-wet them. still no hatching. I had tried the 
> killi-data.org recommendation of putting them in water several 
> degress cooler than the temp they were stored at as well. This time 
> around, I left the eggs in a "shoebox" with an airstone, about 1/4 
> full to see if they just took longer to hatch. Nada.
> As of today, still nothing has hatched! I'm a bit worried about 
> them. Looking through the 25x microscope they seem quite well 
> developed. The eye will sometimes move when the bright light hits 
> it. The vascular system is definitely pumping away. Even a little 
> fin movement here and there.
> I have about 8 eggs.
> Any suggestions?
> 
> -Jason
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Sincerely,
Fred Behrmann
Athens Aquatics
37 W. Bridge Street
Catskill, NY 12414    Phone:(518) 943-2630
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