Tropical Fish Keeping - Aquarium fish care and resources

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girl920 09-22-2006 12:58 PM

Types of Mollies
 
I read that it's advisable to keep Mollies in a group of at least 8. My question is, can these be from the different color/tail variations, or is it better to have all 8 from the same color?

Are the color and tail variations all the same species with different coloring? Can they interbreed? Or is each "type" or color/tail (sailfin, lyretail, etc.) its own group? Will a sailfin silver molly only breed with another sailfin silver molly, or could you get a black and a dalmation together and be surprised at the colors you get in the fry?

I know this is a totally noob question. Something I always wondered and never knew who to ask. Thanks!!

TheCodfather 09-22-2006 01:11 PM

Different colour varieties of the same species of Molly will interbreed yes. In fact that is how u get the marble or dalmation mollies. Crossing black ones with silver ones. And yes you probably could cross sailfins with "normal" Mollies, and no doubt someone already has!
Think of Guppies, there are so many colour varieties available and they all interbreed. same with mollies. And Swordtails. And Platies. They're all very similar fish. All livebearing Toothcarps. (Poeciliinae) x

bolty 09-22-2006 01:18 PM

Re: Types of Mollies
 
Quote:

Originally Posted by girl920
I read that it's advisable to keep Mollies in a group of at least 8.

it may be but i have had no probs keeping juat a pair on there own.



Quote:

Originally Posted by girl920
Can they interbreed?

nterbreed = produce young from with in the same family,
I.E
muther and son
father and grandaughter
son and grandmuther
ect ect
if that is what you was saying then yes like everythink els

they can also crossbreed
I.E
orange x silver
black X balloon

Shane

TheCodfather 09-22-2006 01:21 PM

I reckon she meant breed between colour variations not incest lol

bolty 09-22-2006 02:34 PM

so do i thats why i put CROSS BREEDING :lol:

in breeding, insest and line breeding is all the same
"keeping it in the family"

Shane

Oceane 09-22-2006 04:04 PM

Never thought of line breeding as incest, but i guess you have a point :wink:

Lupin 09-22-2006 06:52 PM

To start, there are 3 species of mollies: latipinna, sphenops and velifera.
Those 3 will readily interbreed thus the crosses will no longer be considered pure but the crosses are often regarded as Poecilia sphenops instead.:dunno:
Color variations won't matter and even with different species which I menationed above they will still interbreed.

Swordtails and platies will also interbreed.
Xiphophorus helleri(swordtails)+Xiphophorus maculatus(platies)=Xiphophorus variatus(Variegated Platy)

Guppies and Endler's Livebearers will also interbreed.
Quote:

Originally Posted by girl920
I read that it's advisable to keep Mollies in a group of at least 8. My question is, can these be from the different color/tail variations, or is it better to have all 8 from the same color?

They can be kept in any number as long as the sex ratio is followed to prevent aggression. One male to 2-3 females is the recommended ratio.
Color variations will never matter at all. You can keep all color variants altogether in one tank.

Hope my statements above will answer most of your questions.:D

bolty 09-23-2006 02:28 AM

Quote:

Originally Posted by Oceane
Never thought of line breeding as incest, but i guess you have a point :wink:

if you look at a dogs ped a line bred dog will have the same couple of names pop-up a few times, when a breeder starts his "line" they say the best way to get "your type" is to get to nice dogs breed them and then put the litter back to the sire or damm :shock:

i no of a few breeders of english bullterriers that kept all the bitches out of a litter and bred them back to there sire, all the pups are K.C reg with no probs and doing well, after a few gen's you need to add in new blood to keep the line "fresh"

getting a line bred dog means you no what your getting as they produce a "TYPE"
if you get a pup from a mating that is just a mating with no thought behind it the dogs/pups could end up coming out/ending up looking nout like ether of the dogs mated

my stafford was a out cross, the same breed, kc staff put to kc staff but to unrelated dogs that have just been bred

Sire, look at the with of his chest and head, he is a huge built staff.
http://i6.photobucket.com/albums/y23...monthsold4.jpg

damm, she is nouthink special but still a nice built girl.
http://i6.photobucket.com/albums/y236/bolty22/3yo.jpg

and then you see what they produced my boy, he is 2 years old so no more growing to do and ptitty mutch done on the filling out side of things to
http://i6.photobucket.com/albums/y23...2/13120520.jpg
nice light built slim lined staff, but from nice thick set dogs, its funny how things work out!

any ways ill shut up now :lol:

Kathryn 11-10-2006 02:41 PM

I have never been told mollies need to be in a group.
I have just 2 mollies, and they're both different types (one sailfin, one black)
They are all very similar, so I don't think it would matter what colour or species of molly were kept with one another.
Good luck.


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