Why always female?

by **Nataliey** Mon 10 May 2010 - 22:45

When my mollies have babies and they are old enough to find out what sex they are...why is it that they are always female? scratch

Iv only ever had 1 baby male but when he was in the nursery tank he was a non surviver...all the females have survived! Shocked

Does anyone know why im just getting female babies and no males??? Its quite frustrating! Rolling Eyes

Or is it just a fact of life

by **Haych** Mon 10 May 2010 - 22:59

I had that with guppies - I had ONE female that wouldnt come out of hiding when I swapped my guppies for female bettas - and this one female kept dropping babies - all male

by **Nataliey** Mon 10 May 2010 - 23:55

I would love at least 1 or 2 males ( black adult male died today) as all the babies when they are old enough are being taken to the lfs. Got too many now, lol! Rolling Eyes

by **kizno1** Tue 11 May 2010 - 17:31

What temp is your tank? below 25C you tend to get more females and above you get more males. i think its that way round but it could be the other. TBH i think its better to get more males than females because the more females to males the better.

by **Nataliey** Tue 11 May 2010 - 17:35

Its 28C and they are all female

by **kizno1** Tue 11 May 2010 - 17:49

it could be the other way then. i would drop it down to 24/25C 28 is quite hot for communtiy fish. Yor corys and mollys wont like it that high.

by **Nataliey** Tue 11 May 2010 - 19:49

Its down to 24C but its probably pointless as they are all dying!

by **kizno1** Tue 11 May 2010 - 19:52

I wouldnt drop it all at ones i would do it 2C a day. Sorry i should have said. I really dont know why they are all dieing like i said i would do a big waterchange.

by **Nyu** Wed 12 May 2010 - 6:45

Uhm, they all start out as female I think (don't quote me on this). But then some will turn to males when the amount of females is settled (something like that) so just wait until they're a little bigger :D

by **Nataliey** Wed 12 May 2010 - 10:21

Thanks Nyu, im not sure myself as only ever had the one male that died before he got to 8 weeks old. All the female babies have been a lot stronger. Although saying that whatever has hit the tank now most mollies have died now.

by **Nyu** Thu 13 May 2010 - 8:37

Really? I've never found that. Interesting O: I think alot of them tend to change at around the 3month+ mark. (again, don't quote me on this, this is really just personal experience)

by **Nataliey** Thu 13 May 2010 - 13:24

Thank you

by **Haych** Thu 13 May 2010 - 13:36

If I'm correct the ONLY fish to change sex is the clown fish - Mollies are born male and female (I think) its just not til theyre bigger they show what they are

It could be like people - the male sperm decides if the baby is male or female (egg = X spem = X/Y) xx = girl xy = boy

Maybe thats the same for mollies

by **kizno1** Thu 13 May 2010 - 19:28

I agree with haych they all look like females with the fins and no colour until they are about 3 monthsbut right from the start they are male or female but they just dont show it until they are big enough. Like haych said the only fish i know of that can change sex is clown fish some people say sword tails can but they could just be late developer because from what ive heard none have given birth and then changed to male.

by **Nyu** Fri 14 May 2010 - 5:09

I didn't mean that they change (I used the wrong wording, sorry!) But yeah, what I meant was what you guys have said.

by **Nataliey** Fri 14 May 2010 - 10:15

Thanks

by **Taelin** Fri 14 May 2010 - 14:48

guppies seem to be late developers, too. Most of my males start out looking like females for quite some time. And I usually end up with more females in a drop than males, anyways.

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