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emeraldking

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Today I had our Poecilia meeting again. And these are my new assests...
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Most are just fresh additions for my current populations, like Ataeniobius toweri, Xenotoca lyonsi, Zoogoneticus purhepechus, Xenotoca variata, Poecilia obscura, Phallichthys pittieri, Quintana atrizona and Phalloceros caudimaculatus reticulatus. New are tuxedo roundtail guppies, loads of medakas and Macropodus honkongensis.
Further more: java moss, artemia flakes, a paper blood worms and a bottle of methylene blue.
 
Today I had our Poecilia meeting again. And these are my new assests...

Most are just fresh additions for my current populations, like Ataeniobius toweri, Xenotoca lyonsi, Zoogoneticus purhepechus, Xenotoca variata, Poecilia obscura, Phallichthys pittieri, Quintana atrizona and Phalloceros caudimaculatus reticulatus. New are tuxedo roundtail guppies, loads of medakas and Macropodus honkongensis.
Further more: java moss, artemia flakes, a paper blood worms and a bottle of methylene blue.

I especially envy you your Phalloceros c-r. I've been looking for them for a long time. And I've never seen Quintana atrizona in the flesh. Just photos in the books.
 
I especially envy you your Phalloceros c-r. I've been looking for them for a long time. And I've never seen Quintana atrizona in the flesh. Just photos in the books.
I've kept the caudies for years. I've also kept the golden variety (Ph.c.r. auratus). Well, the Q.atrizona isn't a species that you can find that easily overhere. I already had some of them and this past weekend I got new additions of them.
The Q.atrizona is one of the smallest livebearers there is. A lot of people think that the H.formosa is the smallest but that's would be an incorrect statement. H.formosa is just one of the smallest livebearers. There are more livebearer species that are that small. And they're all superfetative.
 
Overhere some pics of the gold variety I've kept...
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Does the gold form breed 100% true or does it throw some non-gold reticulated and/or wild-type pheno?
 
Does the gold form breed 100% true or does it throw some non-gold reticulated and/or wild-type pheno?
Welll, if you keep them together, they should breed true. But if you get your hands on some, they are probably kept together with the grey bodied ones which results in both grey and gold bodied versions in offspring.
No wild phenotype will come out of these. neither gold reticulated nor plain gold specimens.
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Above: A wild grey bodied phenotype (female).
 
Your females are all heavily spotted, which I really like. I've seen photos where heavy spotting is mostly confined to males while females can be less reticulated. Do you breed for that trait?
 
Your females are all heavily spotted, which I really like. I've seen photos where heavy spotting is mostly confined to males while females can be less reticulated. Do you breed for that trait?
The number of spots and the sizes of those spots differ per individual female. I'm not specifically breeding for heavily spotted bodies. For I also have females with a low number of spots. And from time to time I also see males developing with a low number of spots but that's just the minority.
And you also need to know that small spots "can" become bigger while aging.
 
I think I may have found a source for reticulated Caudos here in the US. Fingers crossed.

With the hope that I'd soon have some, I've been doing some research. I suspect you know about this paper, but just in case you do not, this is an interesting study on the inheritance of spots and the size and amount of those spots. What was particular news to me was that there are wild spotted P. caudimaculatus, though rare. One of which was used in this study.

https://www.jstage.jst.go.jp/article/cytologia/72/2/72_2_131/_pdf


wild spotted female.png
 
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Yes, I was already aware of this. But most specimens kept by keepers and breeders are already teh aquarium strain. For the speckled variety is pretty rare in the wild. I do regret that I've lost my wild type (with two bars on both sides). I got those wild types from Fred Poeser. And he picked up a decent number of speckled specimens at my place which he used in the tanks at the University in Amsterdam. He's recently retired and has brought these fish to his own place.
 

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