For recreational sea anglers, it might be complying with requirements on minimum size and numbers of fish in return for a healthy stock that they can continue to fish for no charge.
I enweirwyr môr hamdenol, gallai olygu bodloni gofynion o ran maint a nifer y pysgod yn gyfnewid am stoc dda y gallant barhau i bysgota amdani am ddim.