> I don't think a few fish caught in an urban creek in a suburb of Cairns (
> Freshwater Ck I think - and it has lots of Tilapia, Gambusia, Swordtails,
> Platys etc too) really constitutes an example of PNG fish being a threat.
It was in retaliation to your comment that no rainbows had been
introduced anywhere. The other point that I didn't mention was that
there appeared to be both trifasciatas and hybrids between them and
splendidas although this is yet to be verified.
> We have always maintained that there is as great or even greater a threat
> from translocated Australian fish. This is a failure of education.
Absolutely correct.
> a large housing estate located on this creek with an especially large
> percentage of army families. These regularly are transferred and dumping
> the pet fish in the nearest creek probably happens all the time.
Perhaps we need to get on the army's case and dump a pile of shit on them
and force them to get some educational material together.
> As far as the range of trifasciata is concerned - it is moving further
> south all the time as further surveys are done and I don't mean in creeks
> running through housing estates either ;-)
The southern limit is presently defined as south as far as, but not
including the Bloomfield River.
Tootles
Peter Unmack