Guppy Question (fairly Urgent)

LauraFrog

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I noticed last night that one of my guppy females had squared off (from behind, side on and above) and her birth tube was opened although she was still swimming with the others. I removed her and put her in my breeder - a one gallon lettuce crisper with a removable basket, which is perfect for separating the fry from the mother while providing her with enough swimming space.

About twenty minutes after I put her in I came out with a bowl of bloodworm for the other fish, and there was a really fat frog sitting in the water (even though it was brackish!) and no sign of the guppy. I chased the frog around for a bit, thinking I'd feel the shape of the fish inside it to know for sure, and then I saw the guppy on the ground. So I picked her up and put her back in and treated with melafix and ammo-lock. Her fins were moving normally and her gills looked okay - I guess she was out of the water for less than two minutes, she looked fine. So I lidded the breeder and went to bed.

This morning the guppy still looks okay though her fins are very frayed and red looking, I guess I'll just keep up the melafix for a few days. She's had the fry and most of them look normal, but I did notice that quite a few have a large rounded thing protruding from the stomach. It looks very much like the yolk sac you see on egglayer fry before they become free swimming but the fry that have it are still swimming normally.

What is this? Did it happen because the female might have dropped 12 hours or so early due to the stress? Will it go away or should I euthanise the affected fry? Also, should I feed them (Most are normal and probably hungry).
 
It is probably due to them having been born a touch early. If they are swimming around normally, they will probably be fine. Sometimes my Guppy fry are born with a bit of yolk sac still visible but this usually goes away after a few hours. Go ahead and give them a feed.
 
The fry should be fine. I have had females that regularly delivered their fry that bit early and they were always OK if they didn't get eaten. Unfortunately, unless they were well protected, the ones with a bit of yolk sac couldn't swim well enough to get away.
 
Well they all survived. I got 33 live fry out of her (not counting the five I fed to the molly, standard deformity rate - an egg, two taildraggers, a bent spine and a twisted lateral line). Not bad considering that I haven't been feeding her up or anything - it's incidental breeding really, I just thought I'd grab them because I need something to keep my setup cycled until I can get my natives. It should have finished fishless cycling by the time they're a bit bigger. They're all eating and look fine now. Mum is recovering too.
 
Thanks :)

The little gutses at one day:
fry2.jpg
 
Not much, might be a little bit bigger but that's about it. They stay colourless and all look female for about two weeks but get a little bigger. After that some start to develop slight colours in the tail, after a month some of the males start to get markings on the body, after two months they start growing gonopodiums. It takes around five months to get them to adult size but you can sell them from three and a half.
 

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