PHYSICAL CHARACTERISTICS OF SUB-YEARLING AND YEARLING CHINOOK     Sub-Yearling Chinook Caudal fin forked, with outer margin usually black. Parr marks large, vertical oblong shapes centered on lateral line and wider than interspaces. Anal fin rays short, wedge shaped, usually not pigmented. Large spots on back. Body wider, eye smaller, nose more sharp than a yearling chinook (football shape).     Yearling Chinook Caudal fin forked, usually edged in black. Parr marks large, vertical oblong shapes centered on lateral line and wider than interspaces. Anal fin rays short, wedge shaped, usually not pigmented. Large spots on back. Body narrower, eye larger, nose more rounded than sub-yearling chinook.