Re: [RML] Body Sliders

Bruce Hansen (bhansen at ozemail.com.au)
Sat, 6 Jun 1998 08:08:00 +1000

I just used to add fresh (read low salinity) water to trigger "slow"
Cyanodorsalis eggs.

Regards,
Bruce.

Bruce Hansen, ANGFA, caring for our aquatic ecosystems.

Please visit us at http://www.ozemail.com.au/~fisher/angfa.htm

----------
> From: Mach T. Fukada <fukada at hawaii.edu>
> To: rainbowfish at pcug.org.au
> Subject: RE: [RML] Body Sliders
> Date: Friday, 5 June 1998 21:25
>
> At 10:11 AM 6/5/98 -1000, you wrote:
>
> I have also noticed a few when I forced P. cyanodorsalis and P. signifer
> Ross River. I typically take a bunch of eyed up eggs that are over due
for
> hatching and place them into a vial about half full with incubation water
> and the eggs. Then exhale into the vial, (kill all the eggs with
halitosis
> ;-) and walk around with the vial in my pocket. This works very well and
> helps to syncronize all the fry. I think my water is a bit off (salt
> concentration or silica, Ca, etc) and very few fry hatch out on their
own.
>
> In this case maybe the fry are premature when hatched or overdue again as
a
> reason for belly sliders (killies anyway). I think something simmilar
was
> seen with water incubating annual killie eggs until they hatched,
> typically all would turn into belly sliders. They also have bee worning
on
> partial water (4 weeks) then dry storage. In this case the incunbation
time
> was greatly reduced (normally in a 6 month incubation species could be
cut
> to two months). But very often I am told the result is belly sliders.