Links from the magazine
Reveals Details of Tuna's Transatlantic Travels.
New research is revealing the true scope of the
tuna's wanderlust. A report on a study by Stanford University
researcher Barbara A. Block.
Clues in Salmon's Bony Tissues Provide Natural Tag for
Nature has a built-in tagging system for Atlantic
salmon that yields more information than conventional
identification systems do, according to new findings
presented at a meeting of the Ecological Society of
A report in the journal Environmental Health Perspectives,
suggests that in chinook salmon spawning in the Columbia
River, 84 percent of fish that appeared to be female
have been 'sex-reversed' and are in fact genetically
The Dam Gauntlet
Every year recently spawned salmon, steelhead trout
and other fish make their way down the Columbia River,
on the Oregon-Washington state border. As they do, they
attempt to run a sometimes lethal gauntlet of six to
eight hydroelectric dams. In the name of science, a
rubber fish serves as stunt double.
Why do some fish normally live in freshwater and
others in saltwater? How can some fish adapt to both?