Cichlid "F System"

[cookiemonster]

That's what I tried to explain green_terra. You did a much better job than me though.

 

[thefishguy7]

Let's keep this thread alive.

 

[darth pike]

I like the term 'outcrossed F2' that Dr. Leibel suggested for mixing differant generations with F0's ... makes sense to me.

 

[xEchOx]

Great read. I enjoyed the info, and debate of the regulations.

 

[Bllib]

How can an F0 + F0= F1??? That doesn’t make any sense. Would that imply that 2 original specimens could never recreate itself?? Am I understanding this table thing right?

 

[greenterra]

How can an F0 + F0= F1??? That doesn’t make any sense. Would that imply that 2 original specimens could never recreate itself?? Am I understanding this table thing right?

The F0 are wild caught.There offspring are captive bred making them F1, the first generation bred from the wild caught parents.The F1's fry will be F2, 2 generations down from wild caught etc

 

[Bllib]

The F0 are wild caught.There offspring are captive bred making them F1, the first generation bred from the wild caught parents.The F1's fry will be F2, 2 generations down from wild caught etc

But if the wild fish bred in the wild would the fry still be F1? If thats the case how can you say that the original wild caught fish are F0. I understand that what is being said that once you have bred from the original you have a 2nd generation but they are still direct descendants of the wild parents therefor there is no loss in characteristics.

 

[thefishguy7]

But if the wild fish bred in the wild would the fry still be F1? If thats the case how can you say that the original wild caught fish are F0. I understand that what is being said that once you have bred from the original you have a 2nd generation but they are still direct descendants of the wild parents therefor there is no loss in characteristics.

No, because those fry the pair have are still in the wild, making them F0. Once the wild pair is brought into captivity, then the fry are F1.(not the ones still in the wild, any additional spawns they may have) After a few generations captive fish lose certain characteristics they would otherwise have in the wild. This is why any fish F4 and beyond is considered tank-raised.

 

[Bllib]

No, because those fry the pair have are still in the wild, making them F0. Once the wild pair is brought into captivity, then the fry are F1.(not the ones still in the wild, any additional spawns they may have) After a few generations captive fish lose certain characteristics they would otherwise have in the wild. This is why any fish F4 and beyond is considered tank-raised.

OK Got it!! So these numbers are for aquarium use only

Thank you for the input

 

[thefishguy7]

OK Got it!! So these numbers are for aquarium use only

Thank you for the input

Yeah...lol

Thanks for the questions. I'd like to see more questions and input...