Size per locality.

<p>Mean of SVL for each species by locality and number of examined specimens.</p

Island versus mainland populations.

<p>Species that presented significant size difference in islands: <i>Adenomera marmorata</i> (A: Mainland and D: Ilha da Marambaia), <i>Ololygon trapicheiroi</i> (B: Mainland and E: Ilha Grande) and <i>Boana albomarginata</i> (C: Mainland and F: Ilha de Itanhangá) (scale: 1 cm).</p

Allometric shifting.

<p>Principal Components Analysis (PCA) considering each island and mainland populations for each species.</p

Holocenic sea level.

<p>Sea level variation from 36 kybp to present days (depth confidence interval: ± 1 m, standard deviation of time: ± 280 years) (according to the Brazilian Navy [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0190153#pone.0190153.ref027" target="_blank">27</a>] and adapted from Suguio [<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0190153#pone.0190153.ref032" target="_blank">32</a>]).</p

Collecting sites.

<p>Distribution of populations sampled in this study in <i>Costa Verde</i>, state of Rio de Janeiro.</p

Size shifting.

<p>Distribution of individuals in each size category by sampled locals.</p