After spending their adult years in the Atlantic Ocean, mature paisleys enter the "grilse" phase of their lifecycle. They return to Scotland via the River Clyde, then swim up the White Cart Water--leaping some significant waterfalls--to the stream beds of their birth in Paisley to spawn. Pictured here is an artist's conception (uncredited) of that upstream migration.
Saturday, July 17, 2010
Upstream migration
After spending their adult years in the Atlantic Ocean, mature paisleys enter the "grilse" phase of their lifecycle. They return to Scotland via the River Clyde, then swim up the White Cart Water--leaping some significant waterfalls--to the stream beds of their birth in Paisley to spawn. Pictured here is an artist's conception (uncredited) of that upstream migration.
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1 comment:
Ha. I was thinking the same thing before I read your text. Thanks for the link btw.
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