Figure 4

Spatial changes of Anguilla japonica and A. marmorata . Spatial changes in age at metamorphosis (a 1 to a 2 ), age (b 1 to b 2 ), and length (c 1 to c 2 ) at recruitment, and time between metamorphosis and age at recruitment (d 1 to d 2 ) of Anguilla japonica and A. marmorata. Abbreviations of sampling locations are given in FigureĀ 1.