cross breeding? - Page 2 - Tropical Fish Keeping - Aquarium fish care and resources
View Poll Results: Should you crossbreed your fish?
No never, definatly not. 6 23.08%
Only if you keep them in your our tanks. 17 65.38%
Sure, we need a change every now and then. 3 11.54%
Voters: 26. You may not vote on this poll

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post #11 of 17 Old 01-17-2008, 02:10 PM Thread Starter
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yeah i dont think any fish that has an aggressive problem or physical problem should leave the home tank. will stores even accept cross breeds? not the ones with guppies that you cant even tell are crossbreeds but ones that look different then normal fish?
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post #12 of 17 Old 01-20-2008, 03:52 PM
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The fact that the offspring is infertile just shows that they are genetically "incorrect." I agree that it does have its places, and that sometimes you can create something great by taking risks. However, sometimes the only thing you accomplish is a genetic mess.
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post #13 of 17 Old 01-22-2008, 11:55 AM
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that ends to be right, and sometimes we should let well enough alone, but crossbreeding has its ups and downs, and the downs are usually worse than the benefits, but on occasion crossbreeding can help a lot, like for example, if we could make a very hardy and strong neon tetra that doesnt get the neon tetra disease, it would be worth it

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post #14 of 17 Old 10-17-2008, 07:46 AM
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well we wouldnt be here would we. So if they choose to breed what is the problem. they made the decision to mate didnt they. tou cant force fish to crossbreed they just do. as they would in nature if they couldnt find a member of the same species. its called survival and evolution ( whichever why you look at it. otherwise it wouldnt be possible would it?
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post #15 of 17 Old 10-17-2008, 08:11 AM
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I don't think "survival" and "evolution" are terms that really apply in the home aquarium. You can prevent crossbreeding by simply not housing together species that will interbreed.

I have no problem with crossbreeding as long as it is done in the home aquarium. Personally I have a 10g tank that I use to breed livebearers for feeders for my Jack Dempsey. There are feeder guppies in there (many of which I think started as Endler's-guppy hybrids) but there are also fancy guppies and Endler's livebearers. I'm hoping to get some interesting looking crossbreeds, but as all of the fish are going to end up as feeders anyway, there's no real harm being done.

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post #16 of 17 Old 10-17-2008, 04:13 PM Thread Starter
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i agree that evolution and survival of the fittest dont apply to the home aquarium, but if they were in the wild it would be natural instinct to reproduce even if it isnt with the same species.

i think what batman is doing is a good way to see what different crossbreeds look and act like without causing a problem. because if there is something geneticly or physically wrong with them they will just end up being someones lunch anyway(i know that sounds mean but its the truth). and if you ever came across a breed that you liked you could keep it.

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post #17 of 17 Old 10-18-2008, 03:52 AM
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I'm am not a fish breeder by no means, however, I have worked in the veterinary field for many years and have seen what crossbreeding can do (good and bad). I agree that crossbreeding has a place and is part of evolution of a species. However, very stringent standards should be followed. In nature it is the survival of the fittest that controls crossbreeding faults and maintain the successes. But in a human controlled environment, humans sometimes help the ones that should have died survive, therefore causing problems. We must always consider how this "new strain" might survive in the wild. One should never breed just for appearance or entertainment when the potential cost could be to the health quality of the fish and also the primary pure species. We must be careful not to "wipe-out" the pure species by over crossbreeding. A new strain takes years to establish to ensure it is healthy and does not carry any genetic faults (both hidden and visual). If these faults occur, crossbreeding that stain should cease. As for selling to stores, a new strain should not be sold to stores until the strain is established to be genetically and physically sound/healthy, and then make it a point to the store that it is a crossbreed and that it is to be sold as such. Quality of life to the new life you are creating is the most important factor to consider when breeding. Maintaining a pure species is also extremely important. Remember that these wonderful creatures are innocent and did not harm to us, so we should not do harm to them. 8)

Last edited by whtroze; 10-18-2008 at 04:01 AM.
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