Re: [Killietalk] Nothobranchius Guentheri Zanzibar Killifish eggs

[LeeH920226 at aol_com]

I am sending this direct as well as to killietalk. I have dealt with hatching 
issues for many species, including some Nothobranchius, but mostly South 
American annuals. The most valuable thing I learned was that eggs hatch when they 
are ready, not by a timetable. The best tool for determining that is a way to 
see the eggs. This is how I do it. I should state that I am almost 79 years 
old and have Macular dystrophy, so my vision is somewhat impaired. Nevertheless 
I can find eggs usually in peat by making a shallow (1/4 inch) slurry of the 
peat in hatching water and place in a large clear Petri dish or other clear 
shallow container. Then I position a flashlight underneath and a 2x magnifier on 
top. The clear, undeveloped eggs show up very clearly. The fully developed 
eggs are harder to find, but I still can find them with a little time. If they 
are clear they are not ready to hatch. If they are dark and especially if you 
can see eyes with a little more magnification then they are ready. I hatch in 
2/3 rain water and 1/3 dechlorinated tap water.

Lee Harper
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