ULTRA RED F5 !

Thanks for sharing hendri,again and again nice pictures.That red is amazing at a small size.Cheeks is blushing already.
 
thats what i thought F0,1,2,3,4,5 ment

but their was a debate on MFK that states the F number only moves on when you inter breed
 
T1KARMANN said:
thats what i thought F0,1,2,3,4,5 ment

but their was a debate on MFK that states the F number only moves on when you inter breed
Click to expand...

Fish in stores I usually consider them tank raised.

To answer to your question, F1 male and F1 female from different sources would still give F2 offsprings, not F1. So the number moves up from the F0 with each spawn. To be realistic, what matters the most is F0, F1 ...the rest is pretty much tank raised.

In breeding projects like these (arowanas), or generally properly logged and executed breeding programs all generations matter, because you see the evolution of the fish and usually all are conducted thoroughly.

I hope this helps.
 
The F debate...

The F system is actually used differently in the hobby than it was designed to use...

Here is an example:
In fish hobby, the number behind F stand for the furtherest generation away from the wild caught (WC) parent.
WC + WC = F1 - 1 generation away from the WC parents
WC + F1 (both related or non-related) = F2 - still 2 generations away.
F1 + F1 (both related or non-related) = F2 - still 2 generations away.
WC + F2 (both related or non-related) = F3 - 3 generations away from WC.
F1 + F2 (both related or non-related) = F3 - still 3 generations away from WC.

But the actual F# works this way:
non related parents will produce = F1
The F# will only increase if it is a related to the parent fish.

So, as you can tell, depends on if you are using a widely adapted aquatic hobby F system, or the actual F# system, you will have different F# down the road...

PS. but I do agree with Marius...
There is WC, F1, and F2, the rest are all tank-raised fish...
 
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