Trachycephalus mesophaeus (Hensel, 1867)

Class: Amphibia > Order: Anura > Family: Hylidae > Subfamily: Hylinae > Genus: Trachycephalus > Species: Trachycephalus mesophaeus

Hyla mesophaea Hensel, 1867, Arch. Naturgesch., 33: 154. Holotype: Not designated; ZMB 6810 according to Duellman, 1977, Das Tierreich, 95: 154. Type locality: "Provinz S. Pedro de Rio Grande do Sul", Brazil; given as "Porto Alegre, Rio Grande do Sul, Brasil" by Duellman, 1977, Das Tierreich, 95: 154.

Phrynohyas mesophaeaBokermann, 1966, Lista Anot. Local. Tipo Anf. Brasil.: 55.

Trachycephalus mesophaeusFaivovich, Haddad, Garcia, Frost, Campbell, and Wheeler, 2005, Bull. Am. Mus. Nat. Hist., 294: 111.

English Names

Porto Alegre Golden-eyed Treefrog (Frank and Ramus, 1995, Compl. Guide Scient. Common Names Amph. Rept. World: 61).


Atlantic forests of eastern Brazil, from Alagoas to Rio Grande do Sul, inland to include eastern and central Minas Gerais, up to 800 m elevation.

Geographic Occurrence

Natural Resident: Brazil

Endemic: Brazil


Izecksohn and Carvalho-e-Silva, 2001, Anf. Municipio Rio de Janeiro: 54, provided a brief account and photo. Brandão, Freitas, and Sebben, 1996, Herpetol. Rev., 27: 86, provided a Bahia record and discussed the range of the species. Garcia Marsà, Agnolin, and D'Angelo, 2020, Check List, 16: 219–222, reported the species from Argentina and discussed its range; this extension based on a specimen of Kaloula pulchra (Microhylidae), according to Faivovich and Elias-Costa, 2020, Rev. Mus. Argent. Cienc. Nat. Bernardino Rivadavia, Cienc. Zool., 22: 1–6. Dubeux, Silva, Nascimento, Gonçalves, and Mott, 2019, Rev. Nordestina Zool., 12: 18–52, summarized the literature on larval morphology. See Dubeux, Nascimento, Lima, Magalhães, Silva, Gonçalves, Almeida, Correia, Garda, Mesquita, Rossa-Feres, and Mott, 2020, Biota Neotrop., 20 (2: e20180718): 1–24, for characterization and identification of larvae north of the Rio São Francisco in the Atlantic Forest of northeastern Brazil. Reported from the Environmental Protection Area of Catolé and Fernão Velho, Alagoas, Brazil, by Dubeux, Nascimento, Gonçalves, and Mott, 2021, Pap. Avulsos Zool., São Paulo, 61 (e20216176): 1–10, who provided a key to the frogs of that region.    

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