sexing guppy fry pt.2

[darkstar22]

i am noticing some dark spots (gravid) perhaphs on the guppy fry they are about 1 month old so time to seperate them basically... that dark spot is only on females yeah?!!? just curious?....

 

[xxSarahxx]

Gravid spots means heavily pregnant!!!!!!
Lots of inbred fish if that's the case!!

 

[darkstar22]

.... sighs

 

[xxSarahxx]

is that a sigh at the fish or a sigh at me?!?!?!?!
You're best bet if they are inbred is let them be born and get eaten although I am worried about the size of the mums-to-be.

 

[fish_keeper2]

i dont see how its possible if they are only about a month old....but then im not totaly sure on maturing of fry though

 

[xxSarahxx]

livebearers anal fins can develop very quickly but at one month..... I'm not so sure now!!! Are they generally healthy? no chance of internal parasites of similar?? Can you see any developed anal fins?
If they are male the anal fin will be pointy if female it will be more fan shaped.

 

[fish_keeper2]

i have a similar prob(i posted it in "guppy fry success") but mine are older(i think around 2months, i lost track) and one is deffinetly a male and the others have gravid spots indicating that they are female but i seperated the male something like 2 weeks ago or so(again lost track of time) and the females have just started developing the spots in the past few days and there are no other livebearers in that tank(the male along with my 2 adult males are in completely different tanks)

 

[darkstar22]

the fins on them is hard top determine sex... but when there is a definte dark spot on back of the guppy it must mean it is female>? correct? and i do feed them alot so growth is fast!

 

[darkstar22]

could i be mistaking these very defined dark spots for something else?!?!

 

[platyfreek]

maybe... wow only a month??

 

[platyfreek]

maybe... wow only a month??

 

[darkstar22]

anyone know what these dots may be besides what i think they are??? i have them on like 4-5 of them like... very obvious spots.... so need your input

 

[Annastasia]

My young females have always had darker spots that look like gravid spots when they are young. They have never had any fry, nor have they aborted any, yet that 'gravid spot' always seems to stay there. It may be the same way with your's, but I would watch to see if they get any fatter. Guppies usually need to be at least 3 months old to breed, so I wouldn't worry yet.

 

[magicallydelicious]

My young females have always had darker spots that look like gravid spots when they are young. They have never had any fry, nor have they aborted any, yet that 'gravid spot' always seems to stay there. It may be the same way with your's, but I would watch to see if they get any fatter. Guppies usually need to be at least 3 months old to breed, so I wouldn't worry yet.

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ok fisrt of all guppy females can breed at 4 weeks old if they are with developed males.
the gravid spot is there from the time of birth. and does not mean they are pregnant it only shows that the fry are female. here is an article about developing female fry.. all female guppies have a gravid spot even if they are not pregnant

Female Development

In the early stages of Guppy development the males tend to grow quicker than the females, however, at about the 4 – week period the females catch-up and overtake their male companions, as the females are going to be twice the size of the males at maturity this outgrowing of the males is inevitable.

By the age of 7-8 months the female has achieved 90% of her maximum size, although she will continue to grow throughout her whole life.

I always keep my females that I intend to use for breeding separate from my males, I have noticed that females who are separated from males at the age of 4-5 weeks and then grown on with other females tend to always outgrow the females who are left with the males and also tend to look healthier. This is probably due to the fact that they are not been continually chased by the males and can eat much more as they are not been chased away by the ever-active male.

The female Guppy has a dark spot at the base of the annual fin called a gravid spot, the gravid spot is there as soon as they are born but not easy to spot, however by the age of 3 weeks it is much more visible and by the age of 4 weeks it is possible to separate the females with visible gravid spots from the males fairly easily. You can then choose which females you want to use for your future breeding stock.

One exception to this are the Albino varieties, whilst the gravid spot is still there it is not easy to see due to their colour, so you will need to be very observant and may need to use a magnifying glass to help.

i found this article very helpful in finding yout about my developing fry maybe you will too here is the link just incase you want to go to the site
http/www.britishlivebearerassocia...ppy/Jordan5.htm

 

[Annastasia]

ok fisrt of all guppy females can breed at 4 weeks old if they are with developed males.
the gravid spot is there from the time of birth. and does not mean they are pregnant it only shows that the fry are female. here is an article about developing female fry.. all female guppies have a gravid spot even if they are not pregnant

Really? Mine have never ever bred earlier then 3 months. I can't imagine it can be very good for the females to breed at one month...I mean, geez, they are so tiny. Have your fry bred this early?

I do agree the little fry can have little spots that look like gravid spots though. I wouldn't rely on that only to sex your fry though, as males can have funny markings like that too.