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This happens often in livebearers that are
inbreeding too much.
Best option, and what most people would do,
is cull the fish.


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Yes it is actually common. I have posted a picture in here before probably a year or so ago. I have had it in batches of guppy fry and in endler fry. The fry always die within 2 months. No need to cull, they usually don't live anyways.

Koi

Empty chairs at empty tables, the room silent, forlorn.

Did you get a picture of the body before you disposed of it?

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I'm not your neighbor, you Bakersfield trash.

Bad news. The fry died yesterday. 'Twas a shame. I guess its twin may have been its cause of death.

The only practical way to prevent the twinned guppy from breeding would be either to house it away from all other guppies or relegate it to an all male tank. That way, even if the twin guppy were female, provided no fry are "rescued" from the all male tank, there would be no risk of contaminating the stocks.

why not just not breed the deformed baby? isnt that an option? i mean i can understand some babys realy do need to be culled, for their own well being, but i say if they can survive happily, and not be in pain, then i say let live but dont breed

Culling fish is something you just have to do
when breeding fish. It keeps your stock healthy,
and prevents the breeding of problem fish in the future.
Some issues, like siamese twins and other deformities,
are caused by genetics. These genes can be readily passed
down to future offspring.
The appropriate thing to do when breeding fish of any type, is to cull any fish with bad genetics, in order
to prevent future problems.


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why cull it?

i have a betta that is missing a dorselfin and a right ventral fin, he was having trouble swimming correctly for a few weeks, and had a couple of scairs with swimbladder problems, but he survived them all, and now he swims fine, and is quite the little 1in fighter

Okay, so it's been a while and I still haven't got a pic. I nearly had one the other day. But it was too blurry and the foetus didnt show up well.

The guppy is actually doing quite well. I thought it would have died by now.

I'll keep trying to get a photo, I promise I'll get one as soon as I can.

sumo

My female gunny had a batch of 8 fry about 4wks ago. Now one of them has a "siamese twin" attached to its belly. At first I thought it was a bit of excrement, then realising it wasn't I thought it was an overly large gonopodium, which it isn't. Then after a closer inspection it seems like it is a dead foetus. The "twin" has a little tail and is much smaller than the guppy it is attached to. It has no face and just a small blob for a body.

So my questions are:
1) Is this common?
2) Will the guppy live?

I've tried to get a photo of it, but the thing moves so fast, and I don't have a very steady hand. So I'll keep trying to get a picture of it, and see if I can show you guys what it looks like.

Thanks,
Sumo

Last edited by sumonator at 06-Nov-2005 23:35

can u show me a pic!

Wow that is quite crazy! I wish you the best of luck for your little fish and I can't wait to see pictures!

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Its probably sharing blood supply with the live fish, so I don't think it will start to rot away.

Just keep the foods up to it and keep an eye out for ther things they may have been sharing. gut items are most important, the live fish must be able to eat and relieve itself.

If the other fish is/was only tiny, you may get it to grow up without too much of a problem

For animals, the entire universe has been neatly divided into things to (a) mate with, (b) eat, (c) run away from, and (d) rocks. - Terry Pratchett

No, the twin hasn't started to decay yet

has the twin started to decay at all?

OH TOLEEDY!

I have never seen that but it sounds interesting. Now I want to go to every LFS in my county to scope out similar situations . . . . huummphhh. . ..

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"it's the neck, it creaks under the weight of too much heavy thinking."

No, it's not common.
Fry that have such defects typically don't live very long, but you could get lucky. Since it's swimming will be compromised, just make sure it gets enough food.