Strange Guppy Behavoiur

are you sure that guppy is male? normally males have elaborate long tails and the females are plainer with normal tails. It's hard to tell from your picture as it's not close or clear enough to be able to see it's anal fin shape.

My guess (without a better picture) would be that it is a female and is close to dropping some fry. The other guppies will be able to tell and will be crowding around waiting for her to drop so they can have some fresh live food. It sounds barbaric but that's nature and it's what mine do
 
I'm 99.999% certain that the red/orange fish in that picture is a pregnant female platy (or possibly a swordtail). Definitely not a guppy; the one in front with the black rear end to it's body is a guppy.
 
I've now realised I can enlarge the picture. I'm 99% certain it's a pregnant female, as to it's breed I'm really not certain. It seems to have the dorsal fin shape as a platy but platies are generally more rounded. It could, as fluttermoth say, be a swordtail as they are a different shape to the standard platy.

The other fish in the picture is exactly the same as my male guppy - he's blue with the slight yellowness to his front body.


Is there any chance you can get a better picture Random919?
 
Pointless guessing what's wrong til the sex is positively ID'd. It's incredibly easy to do it: http://thesmileyfish.com/wp-content/uploads/2008/03/tropicalfish010.jpg

I see an male orange guppy with either constipation or some massive tumour, myself!
 
The fish in your pic is a guppy. its hard to tell from your pic what sex.

its bodu shape indicates male. so does its colouring but i cant see its anal fin and it hasnt got much of a tail. it doesnt look pregnant to me though. i think its qot reall issues and unless you can take a closer pic i would consider euthinasing him/her as that bulge is not normal and it must be suffering
 
The fish in your pic is a guppy. its hard to tell from your pic what sex.

its bodu shape indicates male. so does its colouring but i cant see its anal fin and it hasnt got much of a tail. it doesnt look pregnant to me though. i think its qot reall issues and unless you can take a closer pic i would consider euthinasing him/her as that bulge is not normal and it must be suffering

I'm inclined to agree. No guppy I've had with a bulge like that has ever recovered.
 
http://s1165.photobucket.com/albums...7373_100000630256493_1220032_2110989248_n.jpg
It is now floating at the top of the tank but still swimming around and breathing and the others are still keeping around it. Is this normal for his/her breed to do or is it typical behaviour for a pregnant female?

It looks like a male anal fin but my nan got a fighter fish and it attacked a couple of my other guppies so i don't know whether it could have just ripped its fin because it ripped on of the others.
 
http://s1165.photobucket.com/albums...7373_100000630256493_1220032_2110989248_n.jpg
It is now floating at the top of the tank but still swimming around and breathing and the others are still keeping around it. Is this normal for his/her breed to do or is it typical behaviour for a pregnant female?

It looks like a male anal fin but my nan got a fighter fish and it attacked a couple of my other guppies so i don't know whether it could have just ripped its fin because it ripped on of the others.
Show a picture that clearly shows the fin under it, the fin still seems to be fan-shaped from this angle, but not sure.
 
It looks like a male guppy to me, or at least in that picture it does. I'd keep a close eye on him/her if I were you.
 
if the fish is a pregnant female which i really dont think it is, its stomach is far to bloated to just be pregnant. also it would have dropped babys by now as labour doesnt take this long in guppys. guppys are pregnant for about 3 weeks to a month i think.
so if you have had the fish longer than this you would have already witnessed parts of a labour which you havent.

your fish is showing signs of pain and stress and you really need to be thinking about whats best for your fish
 
This is an interesting video...


The owner of this fish said:
helterskelter50 on Jan 16, 2008
This Guppy was given to me as it was unknown what was happening, this is a young fish at around 2.5cm long. It's the size and colouration of a female guppy but it then started to develop a gonopodium (male breeding organ).

This fish was also getting fatter and fatter. Sadly a week after getting this clip it died. I did a little autopsy on it and it was full of fry!!!!!
Although i could not see any testes on the fish but it had decomposed a little first.
Maybe that's what's happening to that fish?
 
It could be. There was a person on the forum who recently had a fish who was getting bigger and bigger for months. Finally, they decided to put it out of its misery, and was just about to when they saw that it was having fry! It ended up having 70+ and the story ended happily. :lol: That could very well be what's happening with yours.
 
It could be. There was a person on the forum who recently had a fish who was getting bigger and bigger for months. Finally, they decided to put it out of its misery, and was just about to when they saw that it was having fry! It ended up having 70+ and the story ended happily. :lol: That could very well be what's happening with yours.
Yeah, I've been following that thread.
But that was a normal female with huge amounts of young. She didn't develop a gonopodium like the fish in this video. And I'm not sure about OP's guppy either, but it sure looks like a female with hormone imbalance (I've seen red female guppies in a shop, and they look like that guppy here, round tail, fat front).

If the fish is still eating, not flipping to the sides, it might just be pregnant.
If the OP does kill the fish, at least do a dissection. If it was full of baby fish... that would be the answer to the guppy's problem... Young stuck in, and hormone imbalance.
 

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