Stellar-mass–size relation for star forming galaxies with n< 2.5 (blue), star forming galaxies with n> 2.5 (green), quiescent galaxies with n> 2.5 (red), and quiescent galaxies with n< 2.5 (black). Star forming disk galaxies are much larger than all other sub-classes just above the general cluster relation for star forming galaxies. Solid lines show the weighted mean sizes in 0.5 dex mass bins of the clipped data. The shaded regions indicate the 1σ error on the mean. We also show the cluster relation for star forming and quiescent galaxies presented in Fig. 5 as solid lines for comparison and the distribution of the types in percentages.