> At 10:27 AM 5/23/96 -0800, Scott wrote:
>
> >Related topic, is there a term that is correct for the offspring of let's say
> >a M. trifasciata Goyder River and M. trifasciata Coen River? Is it a cross
> >or a hybrid? My thoughts are that this may be a cross, while
> >trifasciata/splendida progeny should be called a hybrid.
>
> There is a term that comes to mind - "waste" - it's of no use even as a tank
> specimen because it can never be bred from reliably...
>
> >I have been asked about the identity of a fish in a shop and I'm very careful
> >to say that the fish does not appear to be a Goyder River, but I'm never sure
> >what it is - it may look like a Tri, but not one I've seen before. There are
> >others that will immediately call it a cross or hybrid.
>
> It's a difficult call to make, especially with tris, IMHO. There are new
> varieties turning up all the time. Basically, I wouldn't buy a fish from a
> shop unless I knew exactly what it was (not that I buy fish from shops very
> often!) - that's why we have fish clubs.
>
> Regards, Andrew Boyd
> ___________________________________________________________________
> Andrew Boyd - andrew at pcug.org.au - http://www.pcug.org.au/~andrew
> Evolution takes no prisoners....
> ___________________________________________________________________
>
>
Ok Andrew I will throw in something to cause a stir here. What if out
crossing to another tribe eg Pascoe river, was the only way to save a
particular tribe in captivity. This would be necessary when there was
only a single specimen and to breed it would need to be outcrossed. If
this were done carefully and with great attention to detail in about six
generattions (at least for plants) you would have something that was near
isogenic with the starting animal and you would have a breeding
population of something that may have otherwise been lost.
Hoping this draws some comment
Peter