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Showing results for tags 'embryo'.
I'm still having a hard time getting them to lay in the mop(I've given up) and I don't yet see anything in my water lettuce but I found a group of 5-6 eggs in my mop today (was just checking it over before I threw it in the garbage) and I found that 2 of them were fertile and the others were gross looking. I separated out the two good ones in a petri dish and moved them to my empty fry tub that I hide under my desk. If these two guys make it they'll be the most watched and pampered rice fish fry ever since they'll be my first babies. Anyway, I thought I'd share a photo of the eggs, with some thread stuck to them from the mop. It's hard to see from this angle, but face on you can both eye spots really well. From a random paper with photos I found I'm guessing these guys are about half way done before hatching.
I have been trying to film an Oryzias Latipes egg hatching for about a week or so now. I removed the eggs from some moss in my tank with a pipette and placed them in a deli cup with tap water and whatever water was in the pipette. The first few days I only saw a few things darting around in the drop of water on the slide with the egg. After a week I noticed all sorts of things alive and moving, some even attached themselves to the egg. I'm no expert on what any of these things are, but I imagine that the small things are paramecium. I can recognize that there are vorticella and a nematode, but I have no idea what the grabby big mouth worm thing is. Any insights? I have been unsuccessful so far in filming the moment of hatching. I found myself watching all the little things that I never knew were there more intently and with more curiosity than watching the egg itself. Just thought I would share.