1. Prof. Terrance J. Quinn II University of Alaska Fairbanks Juneau AK USA Terry.Quinn@alaska.edu Terry.Quinn@alaska.edu and Richard B. Deriso Inter-American Tropical Tuna Commission La Jolla CA USA rderiso@iattc.org

2. * L = length, a = age, Y, x = size (any function of L) * Naive: L = growth model + (normal) error * Less naive: L = growth model * (lognormal) error * Standard: L  a through growth transition matrix * Stochastic: * L(this time) = L(last time) + growth increment

6. Example EBS Pacific cod