Measured lipid mass F_m (g) versus calculated lipid mass F_calc (g) obtained from equation (3) for anchovy (left) and sardine (right) and for method 2 (a) and 3 (b). For method 3, light and dark pink dots represent fish in intermediate and strong condition states, respectively. The solid line represents the linear regression line and the dotted line corresponds to the 1:1 equation.