Male Molly Fry

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jairic

Aquarium Advice Apprentice
Joined
Dec 8, 2012
Messages
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My 3 month old black molly fry has been forming his gonopodium for about a week now. He's only about an inch and a half now and has become a little sex-crazed monster. He keeps trying to mate with his pregnant mother. I know that mollies and all live-bearers will readily mate with siblings and relatives but does anyone know if I should separate him to prevent inbreeding or leave him be. It would happen in nature. Just need someone else's input.
:thanks:

P.S.- I also have a runt in my one month old litter that is about a centimeter in length do you think he would get eaten by my Three and a half inch Silver Sailfin Molly male?
 
The pregnant molly and four fry are in a 10 gallon heated tank
In my 15 gallon i have two male platys, 1 male molly and four chinese algae eaters the pregnant mother lives in the 15 gallon too but is in the ten gallon for birth.
 
I don't know the answer to the first question, but in regards to the second one: if the baby fish is able to fit into any others mouth, it will get eaten.. I don't let mine out until they are bigger than all the other mouths :) hope that helps
 
I wouldn't worry too much about the babies, let them do what they gotta do hahah. On a sidenote, a chinese algae eater can get 8 inches or more, in the future they have no right to be in a 15 gallon. Good luck with the fry, I would make sure there is dense plantage and hiding spots in the fry tank.
 
Ok thanks for the info. about the chinese algae eaters I didn't know at the time because my lfs gave them to me for free when i got my mollies (which were sick) 2 months ago. I've researched them and tried to take them back but no one would take them, but they havn't done anything wrong in my tank
 
My 3 month old black molly fry has been forming his gonopodium for about a week now. He's only about an inch and a half now and has become a little sex-crazed monster. He keeps trying to mate with his pregnant mother. I know that mollies and all live-bearers will readily mate with siblings and relatives but does anyone know if I should separate him to prevent inbreeding or leave him be. It would happen in nature. Just need someone else's input.
:thanks:

P.S.- I also have a runt in my one month old litter that is about a centimeter in length do you think he would get eaten by my Three and a half inch Silver Sailfin Molly male?
Hi, there's three things you can do about inbreeding;
1. Separate them
2. Sell or trade them
3. Just keep only male or only females but remember that females can store sperm for up to 6 months, and give birth every month.
My 3 month old platy had fry with her brother :facepalm::facepalm: I didn't think it was possible at that age, although i know now!!..Although i'm sure in nature inbreeding does happen, it is alot less likely than in your aquarium..
Also i doubt your 'runt' would get eaten as he wouldn't fit in the Sailfins mouth!!!..
Hope this helps...Ian
 
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