got some new platies? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources

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post #11 of 23 Old 01-06-2007, 10:47 PM
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That would be a good idea!

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post #12 of 23 Old 01-07-2007, 04:31 PM Thread Starter
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plus i red that you can breed swordtails and platies? if thats true then i can have some different wierd fish
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post #13 of 23 Old 01-07-2007, 04:35 PM
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Quote:
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plus i red that you can breed swordtails and platies? if thats true then i can have some different wierd fish
Yes, they can. The resulting fry is called Variegated Platy (Xiphophorus variatus).

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post #14 of 23 Old 01-08-2007, 06:35 PM Thread Starter
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cool on the wierd type of platies, not cool that one of the female platies just died!!! shed been acting wierd for awhile and i still dont know why, the fish store said she might have had some difficulties with her baby fish inside her? anyways i went and got 2 mickey mouse platies the day after so the remaining female wouldnt be harrassed. there a little larger then the others and are a darker tone so if i breed these new redish ones with my older yellow ones hopefully ill get a nice orange? ill get a pic soon, plus they were a dollar cheaper!
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post #15 of 23 Old 01-08-2007, 10:09 PM Thread Starter
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YAY, i looked a little closer at one of the new platies and shes definatly pregnant, first off from the front and back her belly pops out alot more then any of the other male or female, and from the side her belly drops down and she looks like a fat little momma fish. im happy now.
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post #16 of 23 Old 01-10-2007, 02:29 AM
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You will see variegated platies in your lfs. They are very common and are mainly labelled as 'Sunset Variatus', etc. Most of the time, the platies you get are crosses of platies and swords. I'd hate to see the pure platies declining with variegated ones taking over.

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post #17 of 23 Old 01-10-2007, 06:26 PM Thread Starter
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oh ok well it was just a thought, but if you mix colors like i said will it come out like you think? example: dark red platies with yellow platies, does that make orange?
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post #18 of 23 Old 01-10-2007, 08:49 PM
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Color mixing of fish via breeding isn't quite that simple. When breeding for color, it is difficult, and cannot be "controlled" completely. This involves understanding the genes and dna structure of the fish. Just as brown hair in people can't be achieved by mixing 1 person with blonde hair and one with black hair. You must first determine "dominant" traits, then you must know what the various generations of that particular fish carry for dominant traits and other genes. As with people, if grandpa has blonde hair and grandma has black hair... mom may come out with either black or blonde, and the grandkids 2 generations may produce blonde children, even if those particular parents both have black hair. It's complicated, but there are many books on the market to help you break it down.

The other thing to consider with breeding for specific traits or color strains, especially in livebearers, is that their body is able to retain the sperm to allow for multiple spawns, even if only the female is present. To know that your female fish is not still producing spawns from prior breeding, that fish would have to be isolated from all males for up to 1 yr before you could expect to get a somewhat true strain, and then it would be paired with a single male. If that female was needed to produce spawns with a 2nd male, it would take another 6 months - 1 yr to be sure she has finished producing spawns from the first male.

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post #19 of 23 Old 01-10-2007, 10:16 PM Thread Starter
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wow complicated, i guess ill just let there color be there color! and i was thinking about that retaining sperm thing and maybe i could just leave the females in there to have kids and put the males in my community tank that way the females dont get hassled as much?
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post #20 of 23 Old 01-10-2007, 10:20 PM
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Quote:
Originally Posted by blueblue48
wow complicated, i guess ill just let there color be there color! and i was thinking about that retaining sperm thing and maybe i could just leave the females in there to have kids and put the males in my community tank that way the females dont get hassled as much?
The fry as they grow will need to be monitored. By the time they reach 3 months, their sexes can be distinguished. Separate the males and females. Even siblings can mate and reproduce causing a production of inferior quality of fry.

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I stand in awe of my body.
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