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Posts Tagged ‘Atlantic steelhead’

Rodrigo Amadeo & Santa Cruz steelhead

Rodrigo Amadeo & Santa Cruz steelhead

Our reliable source on the Rio Santa Cruz, Rodrigo Amadeo, has confirmed that the proposed dams on the Rio Santa Cruz in southern Patagonia are moving ahead at full steam and construction will begin in less than two months. This is yet another instance of wild rivers been tamed in the name of “progress”. What makes it especially painful for fisherman and biologists alike is that the Santa Cruz harbors the only known run of Atlantic Steelhead in the world. These fish evovled from a strain of McCloud resident rainbows and over several generations developed anadromous behavior. Not only do they migrate to the south Atlantic to feed, but they also return to spawn year after year and 8 spawning events have been documented in some specimens. Unfortunately this incredibly unique run, which has tremendous recreational and scientific value, may well indeed be lost forever.  For guides like Rodrgio who have invested lots of time tyring to figure out this challenging river, it´s going to be devestating. It’s small consolation that I am one of the more fortunate anglers to fish this river before it is lost forever.

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For those of you who are interested in the propagation of salmonids in Patagonia and are of a more scientific bent, you might find these resources quite interesting: GESA, which has a number of cutting-edge studies on andadromous salmonids in Patagonia and of particular interest to me, the steelhead the remote Rio Santa Cruz in southern Patagonia. Amazingly, they are the only significant Atlantic run steelhead in the world.

Also of great interest is a study by the University of Montana on the Ecology of Sea Run Brown Trout in Tierra del Fuego. Our close friend and brilliant scientist, Sarah O’Neal, is mostly responsible for the study.  Although I’m just a lowly layman, I’ve still found both of the above resources immensely fascinating and have gleaned lots of useful information from them. Hopefully you will too. Enjoy

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