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01-10-2012, 08:08 PM
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#1
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Aquarium Advice Apprentice
Join Date: Nov 2011
Posts: 45
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Can a pregnant platy pretend to be male?
I have a black and white spotted platy that when I got was all female parts and even named her Eliza. Eliza now not only looks pregnant, but not it looks as though Eliza has had a sex change and grown a gonopodium. Eliza is getting bigger in both the belly area and in the gono area.... what gives??
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01-11-2012, 04:19 PM
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#2
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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with livebearers all males carry some eggs and all females carry some sperm in case they need to change gender to promote the survival of their genetics.
does your female population majorly outweigh your male?
they should be kept at 1 male : 2 females
it sounds like she is changing gender, and has happened to do it in between a pregnancy.
watch her very carefully after she drops the brood, i would love to hear this weird story's update 
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29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-11-2012, 04:29 PM
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#3
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Aquarium Advice Apprentice
Join Date: Nov 2011
Posts: 45
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I had started with 3 females and had to wait to get my male because the LFS was out of blue platys and had to special order him for me... lol it only took a week and he has been in there at least 3 weeks..
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01-11-2012, 04:31 PM
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#4
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Aquarium Advice Apprentice
Join Date: Jul 2009
Location: illinois
Posts: 45
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put 6 females in a tank and at least one will change to male.....
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01-12-2012, 11:17 AM
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#5
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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sounds like you were just unlucky and she decided to change very quickly.
no males = females changing
sorry Eliza changed on you... maybe it can be Elijah now?
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29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-12-2012, 11:22 AM
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#6
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Aquarium Advice Addict
Join Date: Dec 2011
Location: Slidell, La
Posts: 2,296
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I did not know this... This might explain how one of my 3 original guppies who appeared female ended up a male... And a pretty one at that. Either that or he was just young, but he colored up and showed a gonopodium a couple days after I got him in my tank. He's now my only male adult, as the other one became a crayfish snack.
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01-12-2012, 11:27 AM
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#7
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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Quote:
Originally Posted by Alyxx
I did not know this... This might explain how one of my 3 original guppies who appeared female ended up a male... And a pretty one at that. Either that or he was just young, but he colored up and showed a gonopodium a couple days after I got him in my tank. He's now my only male adult, as the other one became a crayfish snack.
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either one is possible. if they were all young, then it was unavoidable for at least one to be male, and if they were all female, one would have changed anyway. sorry to hear that one became a crayfish snack... how many males and females do you now have? if your ratio is anything but 1 male : 2 females, then more may change.
__________________
29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-12-2012, 11:37 AM
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#8
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Aquarium Advice Addict
Join Date: Dec 2011
Location: Slidell, La
Posts: 2,296
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Quote:
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Originally Posted by djtypykuhl
either one is possible. if they were all young, then it was unavoidable for at least one to be male, and if they were all female, one would have changed anyway. sorry to hear that one became a crayfish snack... how many males and females do you now have? if your ratio is anything but 1 male : 2 females, then more may change.
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1 male, 1 female, and quite a few juvies. My girl just dropped again a couple days ago, actually. It's really cool that they are able to do that.
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01-12-2012, 11:39 AM
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#9
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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Quote:
Originally Posted by Alyxx
1 male, 1 female, and quite a few juvies. My girl just dropped again a couple days ago, actually. It's really cool that they are able to do that.
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a perfect pair... nice.
what will you do with the young guppies? if you decide to keep them, they will be "going at it" within 10-14weeks, and then you'll really be over-run!
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29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-12-2012, 11:51 AM
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#10
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Aquarium Advice Addict
Join Date: Dec 2011
Location: Slidell, La
Posts: 2,296
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Quote:
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Originally Posted by djtypykuhl
a perfect pair... nice.
what will you do with the young guppies? if you decide to keep them, they will be "going at it" within 10-14weeks, and then you'll really be over-run! |
I'm sure some of my juvies are already hit. Once they get to be about an inch or so long they are going to my LFS, all but maybe a couple pretty ones if there are any. And of course any low swimming ones are nice snacks for the crawfish. She helps keep the population down for me.
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01-12-2012, 12:29 PM
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#11
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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how much are you getting from the lfs for the guppies?
stop letting the crayfish eat them! 
__________________
29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-12-2012, 01:02 PM
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#12
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Aquarium Advice Addict
Join Date: Dec 2011
Location: Slidell, La
Posts: 2,296
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Quote:
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Originally Posted by djtypykuhl
how much are you getting from the lfs for the guppies?
stop letting the crayfish eat them! |
Honestly I don't care if I get anything for them, my LFS gives me so much free stuff I consider them a donation. The lady who runs it has given me enough marine salt to get my brackish tank started until she could get more small boxes in stock, she gave me my crawfish, some little catfish fry (none of them made it, in my tank or hers for very long, bad batch of fry), every guppy fry she had in her tank when I got my adults (they didn't survive the week or so they were left in our roommate's care, sadly), and countless snails for feeding my puffers (ramshorns, pond snails, and some really nifty white ones). She also held onto the tank I wanted for a couple months until we could finish paying for it, despite many people with cash in hand asking about it. As for the cray eating them, I don't mind. She very rarely grabs one. Most of them just swim where she can't grab them and there's lots of cover in the tank. She's worse about grabbing the ramshorns, actually.
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01-18-2012, 03:43 PM
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#13
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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Quote:
Originally Posted by Alyxx
Honestly I don't care if I get anything for them, my LFS gives me so much free stuff I consider them a donation. The lady who runs it has given me enough marine salt to get my brackish tank started until she could get more small boxes in stock, she gave me my crawfish, some little catfish fry (none of them made it, in my tank or hers for very long, bad batch of fry), every guppy fry she had in her tank when I got my adults (they didn't survive the week or so they were left in our roommate's care, sadly), and countless snails for feeding my puffers (ramshorns, pond snails, and some really nifty white ones). She also held onto the tank I wanted for a couple months until we could finish paying for it, despite many people with cash in hand asking about it. As for the cray eating them, I don't mind. She very rarely grabs one. Most of them just swim where she can't grab them and there's lots of cover in the tank. She's worse about grabbing the ramshorns, actually. |
sounds like you have quite a set-up going on. it's good that you have a good relationship with you LFS owner, so that's cool. i'm currently over-run by molly and platy fry and trying to find homes for them, but nobody wants to buy them i hit 97 small ffry this morning... so i'm screwed...
__________________
29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-18-2012, 03:45 PM
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#14
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Aquarium Advice Addict
Join Date: Dec 2011
Location: Slidell, La
Posts: 2,296
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Quote:
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Originally Posted by djtypykuhl
sounds like you have quite a set-up going on. it's good that you have a good relationship with you LFS owner, so that's cool. i'm currently over-run by molly and platy fry and trying to find homes for them, but nobody wants to buy them i hit 97 small ffry this morning... so i'm screwed... |
That's a lot of fry... My last count was maybe 20. Little things won't stay still long enough for a headcount.
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01-18-2012, 03:49 PM
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#15
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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Quote:
Originally Posted by Alyxx
That's a lot of fry... My last count was maybe 20. Little things won't stay still long enough for a headcount.
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i gave up on doing head counts...
determine one day to do this, and do a "catch-and-count"
just get a big bowl or something, fill it with water from the tank, and catch all of them
yeah, i have way too mant fish... and they are in a freaking 10g... super screwed.
__________________
29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-18-2012, 11:49 PM
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#16
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Aquarium Advice FINatic
Join Date: Nov 2011
Location: Redding, CA
Posts: 687
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Have any of you seen a male turn into female?
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-You cannot cross the ocean by just staring at the water.
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01-19-2012, 12:06 AM
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#17
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Daphnia are People Too.
Join Date: Jul 2011
Location: Lincoln, NE
Posts: 8,885
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Does anybody have any articles about livebearers changing gender? I have heard some people talk about it, but I haven't ever seen any data about it.
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Two roads diverged in a yellow wood, but thankfully they both led to fish stores. 
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01-23-2012, 11:28 AM
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#18
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Aquarium Advice Activist
Join Date: Oct 2011
Location: Preston county, WV
Posts: 165
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i dont think that there is any hard-core proven data out there, but i have experienced the gender changing for myself.
__________________
29g breeding tank, 10g small fry tank
We only die because we accept death as an inevidabiliy. I'll live forever, no matter if it's physically or just as a memory. I refuse to be forgotten.
- Something i wrote in memory of my uncle (1973-2003)
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01-23-2012, 11:36 AM
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#19
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Aquarium Advice Addict
Join Date: Mar 2011
Posts: 1,893
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I have it in my breeding boom and have witnessed it myself with the male breeding after as well. Gono is fully developed. I think it's crazy how some fish can store the sperm until they are ready to get pregnant.
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01-23-2012, 11:49 AM
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#20
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Aquarium Advice FINatic
Join Date: Nov 2011
Location: Redding, CA
Posts: 687
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Quote:
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Originally Posted by djtypykuhl
i dont think that there is any hard-core proven data out there, but i have experienced the gender changing for myself.
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I know that there is some info on some oceanic fish doing the switcharoo, they did some type of documentary on it. They went from male to female and back again if needed.
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-You cannot cross the ocean by just staring at the water.
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