Data on the distribution and calls of glassfrogs are important for taxonomic and conservation purposes. Herein, we describe the acoustic parameters of Teratohyla midas (Anura, Centrolenidae), with notes on distribution in the Brazilian states of Acre, Amapá, Amazonas, and Pará. The typical advertisement call of T. midas consists of a single pulsed note, with 3 pulses emitted in a very short emission. The advertisement calls of T. midas from Ecuador and French Guiana are distinct from those reported here.