By Hal Bernton
Bonneville Dam, Washington (AP)
In the world of salmon, size matters. That’s because big male fish have the best chance of fending off rivals to stake out a prime spot on the spawning grounds next to fertile females.
So what’s up in the Columbia River? Here, a record number of runt-sized males are surging upstream, a biological mystery that has stunned scientists and frustrated fishermen like tribal hoop netter Frank Sutterlict.
Bonneville Dam, Washington (AP)
In the world of salmon, size matters. That’s because big male fish have the best chance of fending off rivals to stake out a prime spot on the spawning grounds next to fertile females.
So what’s up in the Columbia River? Here, a record number of runt-sized males are surging upstream, a biological mystery that has stunned scientists and frustrated fishermen like tribal hoop netter Frank Sutterlict.