Will Molly Change His Sex ?

[Alind]

Respected members,
I have two questions in with me!
#1.
which type of molly he is?
he is with me from the first day,
LFS guy told me he is a chicklid !
at that time i dont even know what TFF is!
just belived,but now i can say he is a molly,
question arise which type of molly he is?

#2.
i have only three male mollies, other two are chasing him as he is a she!
and i also heard that molly can change sex!
so do you see and possibility of sex change ?
or
does really molly can change sex ?

 

[fish48]

poecilia velifera. sailfin molly no they can't change sex

 

[Alind]

And what would we call his design,colour and pattern?
like orange molly,dalmation molly etc.

or just sailfin molly ?

 

[fish48]

they sale them as green or gold sailfin molly's yours looks like more of a green type molly.

 

[5teady_2012]

No they wont change sex...

Swordtails however can change sex, (females change to males)...

 

[hughessomefish]

nope cant change sex and a male molly it is

 

[OldMan47]

That is a very nice looking male P velifera as Fish48 said. No fish that has its gender determined by its genetics can actually change sex. Some cichlids have the ability to change sex because they do not have their sex determined genetically. That is not true of any poeciliids including mollies, swordtails, guppies or any of the other common poeciliids. A common happening among swordtails is that they do not demonstrate, by external features, their sex until they reach an advanced age. I have a half dozen fish that I obtained as unsexed juveniles at about 6 months old. They are X helleri and are now about 1 1/2 years old. One of them showed male characteristics at about 9 months old but i never saw any fry develop in the others. Now that they are about 1 1/2 years old, some of the other fish are starting to show male characteristics. I suspect that I have nothing but males in my tank of wild type X helleri but only now are most of them showing their true sex. As these sneaker males start to reveal themselves they are coming to be seen as males but their lack of reproductive success earlier, when they looked female, speaks to the sex that they have been all along. A late developing male is not a female,ever. It merely looks the part to someone who does not understand the way that swordtails work.

 

[5teady_2012]

That is a very nice looking male P velifera as Fish48 said. No fish that has its gender determined by its genetics can actually change sex. Some cichlids have the ability to change sex because they do not have their sex determined genetically. That is not true of any poeciliids including mollies, swordtails, guppies or any of the other common poeciliids. A common happening among swordtails is that they do not demonstrate, by external features, their sex until they reach an advanced age. I have a half dozen fish that I obtained as unsexed juveniles at about 6 months old. They are X helleri and are now about 1 1/2 years old. One of them showed male characteristics at about 9 months old but i never saw any fry develop in the others. Now that they are about 1 1/2 years old, some of the other fish are starting to show male characteristics. I suspect that I have nothing but males in my tank of wild type X helleri but only now are most of them showing their true sex. As these sneaker males start to reveal themselves they are coming to be seen as males but their lack of reproductive success earlier, when they looked female, speaks to the sex that they have been all along. A late developing male is not a female,ever. It merely looks the part to someone who does not understand the way that swordtails work.

Myth or reality (has enough study been done on this subject?) id say no cos....

So your saying that swordtails dont change sex? if thats the case then on this your wrong mate, i have had many swordtails (females) drop fry, then months later change sex, they grow the sword and a gonopodium, and i have also witnessed that 99% after the change, they die within a month.

 

[OldMan47]

A swordtail is a fish that has its sex determined genetically LM. Although many people have been misled to believe that they have females that "become males", the reality of the situation is that we cannot change the fish's genes and the apparent sex changes are only that. They are apparent, not real. If you took the effort to isolate fish that look like females, you would find, as I have, that the apparent females who later show male characteristics are in fact never the producers of fry. My fish are well over a year old and have never been able to produce fry. They are all finally starting to show male characteristics after all of this time.

 

[5teady_2012]

A swordtail is a fish that has its sex determined genetically LM. Although many people have been misled to believe that they have females that "become males", the reality of the situation is that we cannot change the fish's genes and the apparent sex changes are only that. They are apparent, not real. If you took the effort to isolate fish that look like females, you would find, as I have, that the apparent females who later show male characteristics are in fact never the producers of fry. My fish are well over a year old and have never been able to produce fry. They are all finally starting to show male characteristics after all of this time.

Had 3 males koi swords, all dropped fry regulary for months, after that 2 of them turned male, died a month after, its happened to mine, so must be possible.

 

[Alind]

That is a very nice looking male P velifera as Fish48 said. No fish that has its gender determined by its genetics can actually change sex. Some cichlids have the ability to change sex because they do not have their sex determined genetically. That is not true of any poeciliids including mollies, swordtails, guppies or any of the other common poeciliids. A common happening among swordtails is that they do not demonstrate, by external features, their sex until they reach an advanced age. I have a half dozen fish that I obtained as unsexed juveniles at about 6 months old. They are X helleri and are now about 1 1/2 years old. One of them showed male characteristics at about 9 months old but i never saw any fry develop in the others. Now that they are about 1 1/2 years old, some of the other fish are starting to show male characteristics. I suspect that I have nothing but males in my tank of wild type X helleri but only now are most of them showing their true sex. As these sneaker males start to reveal themselves they are coming to be seen as males but their lack of reproductive success earlier, when they looked female, speaks to the sex that they have been all along. A late developing male is not a female,ever. It merely looks the part to someone who does not understand the way that swordtails work.

Sir i read this 4-5 times and understand very less,as i am a kid in this.

And about the disscussion on swordtail sex change,

i would like to ask Mr.Livebearer_Master,
That is'nt it possible that what you see was just something else like a unusual development, because you said your fish died after that!

And From Mr.Oldman i would like to ask
Can't It be an Exeptional case??

 

[5teady_2012]

That is a very nice looking male P velifera as Fish48 said. No fish that has its gender determined by its genetics can actually change sex. Some cichlids have the ability to change sex because they do not have their sex determined genetically. That is not true of any poeciliids including mollies, swordtails, guppies or any of the other common poeciliids. A common happening among swordtails is that they do not demonstrate, by external features, their sex until they reach an advanced age. I have a half dozen fish that I obtained as unsexed juveniles at about 6 months old. They are X helleri and are now about 1 1/2 years old. One of them showed male characteristics at about 9 months old but i never saw any fry develop in the others. Now that they are about 1 1/2 years old, some of the other fish are starting to show male characteristics. I suspect that I have nothing but males in my tank of wild type X helleri but only now are most of them showing their true sex. As these sneaker males start to reveal themselves they are coming to be seen as males but their lack of reproductive success earlier, when they looked female, speaks to the sex that they have been all along. A late developing male is not a female,ever. It merely looks the part to someone who does not understand the way that swordtails work.

Sir i read this 4-5 times and understand very less,as i am a kid in this.

And about the disscussion on swordtail sex change,

i would like to ask Mr.Livebearer_Master,
That is'nt it possible that what you see was just something else like a unusual development, because you said your fish died after that!

And From Mr.Oldman i would like to ask
Can't It be an Exeptional case??

The swordtails was koi swords, they was females, they all gave birth many times, which makes it obvious they was female lol.... then they started growing swords, and then gonopodiums, they then started going thin and forming the shape of a male, during the process they eventually died..

 

[OldMan47]

I have seen even people who look the opposite sex as they age and no longer have the endocrine balance of a youthful person of the opposite sex. That does not mean that they change sex but merely means that they no longer display the characteristics that we associate with a particular sex. When sex is determined genetically, as it is in poeciliid fish, a sex change is a physical impossibility. That means that a fertile female can never take on the actual characteristics of a fertile male, it does not mean that endocrine changes cannot induce the fish to appear to change sex. It is entirely possible that a female swordtail could grow a sword, as we would associate with a male swordtail, but that the resulting fish could never be the mate causing a virgin female to produce fry. Genetics will always prevail in those fish where sex is determined by genetics. There are many of the cichlids that have their sex determined by environmental factors and do not exhibit the X and Y genetics we see in mammals, but poeciliids are not among those fish. There can be no exceptions to the genetic abilities of poeciliids but that does not mean that apparent changes cannot happen. I am as certain that apparent changes can happen as I am certain that real sex changes cannot.

 

[5teady_2012]

Happened to mine in front of my own eyes, that, nobody can deny.