RE: NANFA-- website

Jay DeLong (
Wed, 12 Jul 2000 18:28:37 -0700

Rob Carillio said:
> The other day on discovery
> channel, I saw a show on the Hoover Dam... What can you tell me
> about this
> dam and it's impact even today, on natives. This seems to generate much
> electricity for cities as far away as San Diego.

These monster western dams have modified the habitat to the liking of
introduced species like catfishes and other warmwater species. Now these
introduced fishes are feeding on the young of the now rare large minnow and
sucker natives (like the Colorado pikeminnow, bonytail and razorback
sucker). And the adults of these minnows and suckers which evolved in the
torrential flow of the Colorado river no longer have the conditions
necessary to reproduce in large numbers. You can learn more at the web page
on the Upper Colorado River Endangered Fish Recovery Program at I notice that site is down
at this time however.

Jay DeLong
Olympia, WA

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