<< Even with much worse mortality many aquarium escapees still become
established out of their natural range. On the other hand if a
million fry of endangered large fish are released and 1/10 survive to
adulthood the other species may become endangered instead [and it
doesn't have to be predatory species] and the water body may not be
able to support them all. >>
It is like weeds/wildflowers in the garden -- the ones you want die, the ones
you don't want thrive. The fundamental law of perversity.
Lee Harper
Media, PA
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