Hybrid GUPPY-GAMBUSIA

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edu_dl
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« on: September 28, 2004, 04:04:29 PM »
Hello,
I am Eduardo from Spain.

Right now I have a guppy female and a gambusia male.

They mate the whole day.

She had her babies last Sunday.

¿Do you thing they can have hybrids in the future?

Many thanks.



(sorry for my bad English)
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T.Catfish
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« Reply #1 on: September 28, 2004, 08:45:45 PM »
HI EDUARDO
 I M O they should not be able to Hybronize.
 Has the female guppy been with male guppys?
 If ske has she can produce for many months.
   TC
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edu_dl
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« Reply #2 on: September 28, 2004, 09:47:39 PM »
Yes she has been with male guppys before but not now.

I know she can have baby guppys without a male guppy but I supose that if the hybrids are possible some of them can appear with the next little guppys.
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dunchp
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« Reply #3 on: September 28, 2004, 10:10:18 PM »
As I understand it, female guppies can store sperm for a number of fertilisations but cannot mix sperm for each fertilisation (i.e. a brood will all have the same mother and father), therefore there could not be a mix of hybridised / pure breed guppies in the next brood.
I do believe that in a fertilisation the guppy favours the most recent donation (for want of a better word) of sperm and I guess that it is possible that hybridisation could occurr even if the female had been kept with other guppy males previously.
It is unlikely but the only way of finding out if they have hybridised is to see what the fish grow up to look like.
A very intriguing subject, I try and avoid hybridisation at all costs, but keep us informed of progress.
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edu_dl
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« Reply #4 on: September 29, 2004, 06:45:57 AM »
Many thanks for your interesting information.

I will keep you informed.
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kumofarmnigltd
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« Reply #5 on: September 30, 2004, 12:58:51 PM »
IF I CAN GET YOU CLEAR DO YOU WANT AN HYBRID OF THE GUPPY AND THE GAMBUSIA ? OR VICE VERSA.THEN IF SO,IT IS NOTED AND KNOWN THAT THE TRAIT YOU WANT DETERMINES THE CHOICE OF THE MALE OF THE EITHER TO USE,HOWEVER,SINCE THE FEMALE ARE NOTED TO STORE THE MALE GAMETE(SPERM),AND COULD FERTILZE WITHOUT THE MALE,THEN YOU CANN'T BE SURE THE SET OF BABIES YOU HAD COULD BE AN HYBRID,SO THE FEMALE GUPPY COULD BE ISOLATED FOR A WHILE AND STUDIED TO KNOW IF SHE IS STILL HAVING THE RESIDUAL OF THE MALE GUPPY SPERM.THEN HAVING FOUND OUT NONE IS LEFT IN THE FEMALE,AND TO HAVE YOUR DESIRED HYBRID,THE MALE OF THE EITHER FISH WILL DECIDE THAT;MALE GUPPY vs FEMALE GAMBUSIA =DOMINANT GUPPY -LIKE FEATURES,AND THE REVERSE FOR THE MALE GAMBUSIA.ALTHOUGH IT IS IMPORTANT TO NOTE THAT MOST HYBRID MIGHT BE STERILE.i WILL LIKE TO KNOW AS WELL WHAT THE BABIES LOOK LIKE WHEN THE ARE GROWN TOO.
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Dourado
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« Reply #6 on: October 13, 2005, 04:02:10 PM »
Yes, keep us informed.....I also would like to get the news about this ongoing experiment.....

Are the babies well
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hodge
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« Reply #7 on: October 13, 2005, 07:35:38 PM »
hi all
 i once had some guppy  molly crosses come out of a brood (about 5 ). the rest all looked like guppies. the 5 where all males!
the mother was a guppy the male a green sailfin molly.
maybe the molly didnt give her enough sperm for a full batch of eggs and she topped it off with some old stuff

hodge
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Alan
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« Reply #8 on: October 13, 2005, 11:10:12 PM »
I've never  seen any guppy/gambusia cross breed's but see how it goes.

Guppy/molly I've never seen either but heard it done a few time, but ver few pics around.

Alan
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kas
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« Reply #9 on: October 14, 2005, 05:51:01 AM »
do you think the hybrids will be sterile like in some animals, mules, zedonks etc.
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Alan
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« Reply #10 on: October 14, 2005, 08:47:48 AM »
Most are streile unless the species are of perhaps subgenus or very closely releated.

Many tilapia are happy to cross breed but the fry are usually all one sex and sterile.

Alan
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dunchp
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« Reply #11 on: October 14, 2005, 08:57:43 AM »
I bought the Atlas of Livebearers recently, it has a picture of a Guppy / Molly hrbrid.
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hodge
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« Reply #12 on: October 14, 2005, 09:42:37 PM »
hi duncan ive got that book. the pick is spot on for what i had turned up.
 hybrids is one of those topics that get complecated quick. it is agreed / maybe that endlers are a seperate species to guppies and not a sub specie but when they are crossed they produce fertile young.

when does a sub specie become a specie.????
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dunchp
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« Reply #13 on: October 17, 2005, 06:54:50 AM »
Hmmmm. I think I will just stick to pure breeds for now. I have enough trouble avoiding hybrids, without trying for them!!!
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Martin Tversted
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« Reply #14 on: October 17, 2005, 08:13:38 AM »
that two species can cross and produce fertile off spring is not an indication that they are the same species.
There are MANY differnet kind of species concepts.
I dont belive that Gambusia and guppys can be hybridized, but should they be, I would certainly like to see the results.

A well know goodeid hybrid is Skiffia "Black Beauty" (francesae x multipunctata). Most larger Mollineasia types can also be hybridized, but sphenops and latipinna are NOT the same species.
The same goes for Xiph variatus x helleri x maculatus types.

MT
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