Tuesday, September 20, 2011

Restoring Cutthroat Trout

Courtesy: Calgary Herald

Officials cull 'brookies' to restore cutthroat trout

Native fish edged out by interlopers

By Clara Ho,
Calgary Herald
September 19, 2011

Shelley Humphries dips a metal loop attached to a 20-kilogram backpack equipped with a battery into the coursing currents of an unnamed creek just below a waterfall in Banff National Park.

Her Parks Canada colleague Joanne Williams stands a few steps behind, net in hand, waiting.

As Humphries sends a weak electrical current into the water, two fish flop out and land neatly in the mesh netting, their muscles temporarily frozen by the "electrofishing."

Only the westslope cutthroat trout, named for the bright, orange markings beneath its jaw, will be spared.

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