Breeding Beginner.. Galaxy Koi and Mustard Gas genetics questions! Jump to Latest

AlyssaLaine

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Hi all! I'm new to breeding betta, so I have been trying to look up my questions about genetics but could use some more answers. I have 2 pairs of betta that I'm breeding...
1. King Galaxy Koi Male & Delta Galaxy Koi Female
2. Mustard Gas Rosetail (?) Male & Mustard Gas Plakat Female
*I've been told on another forum MG are extinct, so I'm not actually sure what mine would be called if that's true*

I've read about breeding that if you breed 2 true blue, then you get 100% blue, or if you did 1 green and 1 blue, you'd have an output ratio of 50/25/25. When breeding patterns/multi-colors, how does the output work? If breeding my koi, will I get a variety of colors similar to what the koi have (orange, black, red), and maybe some will have koi patterns? Or will I get random blues or greens, etc in the mix that the parents don't physically show? Same questions for the MG fry.
I don't have their genealogy so I don't know how old the koi/MG traits go back in their lines.

Thanks in advance for any comments, information, tips, etc!!!!
 

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CichlidFreak7000

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I haven't bred bettas before, but I am pretty sure Mustard Gas aren't extinct. I heard somewhere that mustard gas is just a blue/yellow bicolor fish. Its hard to tell from the pics, but your fish certainly look both yellow and blue
 
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AlyssaLaine

AlyssaLaine

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CichlidFreak7000 said:
I haven't bred bettas before, but I am pretty sure Mustard Gas aren't extinct. I heard somewhere that mustard gas is just a blue/yellow bicolor fish. Its hard to tell from the pics, but your fish certainly look both yellow and blue
That's kind of the same conclusion I've come to. Some say the "original" MG are extinct but other sites say MG is defined as blue or green body with yellow fins so I just call mine MG and I'm okay with that haha. In natural light he's metallic, but under his LED he is blackish/blue/green and yellow
 

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PhoenixBettas

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King = A type of crowntail with 3+ overlapping rays.

Koi is from the marbling gene so your fish should change color over time and the spots will 'migrate' as the gene jumps and shuts off different color producing abilities. It's just a multi color beta with the marbling gene. When you breed them together you get a huge variety of spotted fish and their colors tend to change anyway.

Mustard gas is a color classification. In your case it looks like you're crossing (solid? hard to tell from dark photo) with an iridescent spread female with a star pattern. The tails will meet somewhere in the middle, so it will be very hard to have any kind of consistent babies with that specific pair. (Aka, just get lucky and line breed the best results!) If you're looking for a full beautiful rosetail finnage, breeding to a plakat isn't the way to do that- you'll probably get deltas, and at the best- rosetail plakats. The colors will variate a lot in intensity (especially because of the female's spread.) Also I think your male is a feathertail, not rose. (They are basically the same thing genetically, tipped toward one strength or the other and I've seen batches of babies come out with rose, half moon, and feather all in the same bunch.) It's not a dominant gene, it's just general genetics.

The marbling gene is co dominant so half the time it passes, half the time it doesn't- although even that isn't completely known. I both are marbling bettas, 95% of the babies are going to be marble too, but some might just be multi colors. A few may be solid with a couple spots, and rarely, you might get a dalmatian in the bunch. Yours have iridescent spots so some of the babies may turn out with iridescent saddles and patches which sounds amazing.
 
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AlyssaLaine

AlyssaLaine

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PhoenixBettas said:
King = A type of crowntail with 3+ overlapping rays.

Koi is from the marbling gene so your fish should change color over time and the spots will 'migrate' as the gene jumps and shuts off different color producing abilities. It's just a multi color beta with the marbling gene. When you breed them together you get a huge variety of spotted fish and their colors tend to change anyway.

Mustard gas is a color classification. In your case it looks like you're crossing (solid? hard to tell from dark photo) with an iridescent spread female with a star pattern. The tails will meet somewhere in the middle, so it will be very hard to have any kind of consistent babies with that specific pair. (Aka, just get lucky and line breed the best results!) If you're looking for a full beautiful rosetail finnage, breeding to a plakat isn't the way to do that- you'll probably get deltas, and at the best- rosetail plakats. The colors will variate a lot in intensity (especially because of the female's spread.) Also I think your male is a feathertail, not rose. (They are basically the same thing genetically, tipped toward one strength or the other and I've seen batches of babies come out with rose, half moon, and feather all in the same bunch.) It's not a dominant gene, it's just general genetics.

The marbling gene is co dominant so half the time it passes, half the time it doesn't- although even that isn't completely known. I both are marbling bettas, 95% of the babies are going to be marble too, but some might just be multi colors. A few may be solid with a couple spots, and rarely, you might get a dalmatian in the bunch. Yours have iridescent spots so some of the babies may turn out with iridescent saddles and patches which sounds amazing.

Thank you for your response!! It was super informational and helpful. I really appreciate it!
 

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