Somewhere, I remember reading that the reason Skeena fish are,
on average, larger in size is due to their growing faster in the
salt water environment than their more southern cousins
in Washington or Oregon.

I wonder if it is true that a 3-salt Skeena fish tends to be larger
than a 3-salt fish from a river in Washington?

If so... Is the greater growth due to genetic growth factors or
do the Skeena grow faster due to migration and feeding habits?

Anyone... ???