To 20.3 cm (8 in) in length.
The body of the shiner perch is an oval shape and is compressed from side to side. These perch have dusky greenish back and silvery sides that have a pattern combining horizontal bars with three broad yellow vertical bars. Breeding males turn almost entirely black, obscuring the barred pattern with dark speckles. Shiner perch are distinguished by having 8-9 dorsal fin spines, and 18 to 23 dorsal rays. The anal fin has 3 spines followed by 22–25 rays.
Maximum Age: 9 years old.
Find more information on Shiner perch: http://126.96.36.199/fishing/bottomfish/identification/perch/c_aggregata.html
Caught by recreational harvesters within Puget Sound and in embayments along the outer coast.