3–7 kg
The coho is a rather deep-bodied salmon. As with other Pacific salmon species (Oncorhynchus) its anal fin has 13–19 rays, compared with a maximum of 12 for Finnish salmonids.
Silver body with dark back and caudal fin showing black spots.
Not known to reproduce in the Baltic Sea area.
Other fish.
During the days of the Soviet Union, coho salmon were introduced into the Baltic by Finland’s eastern neighbour. Large numbers were caught in the 1980s. May now have disappeared.