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Showing results for tags 'development'.
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I've tried quite a few livebearers but I never get fry long term (more that 6 broods out of each purchased or 1st generation female) which I am always intrigued by The previous tries , Celebes Halfbeak, variatus platy,maculatus platy, black chin livebearer, black prince goodeid, rainbow goodied, Limia Perugia (Boca de Cachon), Xenotoca doadrioi (San Marcos), Zoogoneticus tequila (Rio Teuchitlan), least killifish, red swordtails, highland swordtail. I have run various temperatures and ph crushed coral 300 tds etc. Harder versions of the puffer setups. Good food and cover. My theory is high altitude negatively impacts livebearers by somehow causing issues with the mother and eventually crashing the colony. Do you think this is possible ? Why would that be more of an impact on livebearers than egglayers? -
I was able to pick out a couple medaka eggs and this time they're in methylene blue so hopefully they won't cloud up and die. I didn't take a photo at 1 day post fertilization but this one is at about the 2 dpf point. At 1dpf, I could see the oil droplets coalesced into 2 drops (no photo). Today (day 2 pf) there's one obvious oil drop, a large yolk and embryo. For reference, below is roughly 1 day(a) and 2 days(b) from an article taken with a much better microscope.
