Amphibians of the mantellid subfamily Mantellinae identified in this study. Sampling localities for each photographed individual are provided. ANP ES – Andringitra National Park Eastern Slopes; ANP WS – Andringitra National Park Western Slopes (Fig. 1; Suppl. material 1: Table S1). A. Mantidactylus (Bryogoomantis) bourgati from Namoly; B. Mantidactylus (Bryogoomantis) betsileanus from Namoly; C. Mantidactylus (Chonomantis) delormei from Imaitso (ANP ES); D. Mantidactylus (Ochthomantis) femoralis from Asaramanitra (ANP ES); E. Mantidactylus (Bryogoomantis) sp. Ca14 from Tsaranoro; F. Mantidactylus (Hylobatrachus) sp. Ca48 from Fivahona–Velotsoa; G. Gephyromantis (Gephyromantis) blanci from Imaitso (ANP ES); H. Gephyromantis (Phylacomantis) corvus from Sakaviro; I. Mantella betsileo from Ambatomainty; J. Subadult and tadpoles of Spinomantis elegans from Imaitso (ANP ES). Photographs by Javier Lobón-Rovira.