Comprehensive DescriptionRead full entry
Aplastodiscus callipygius is a large treefrog (males SVL 40 – 51 mm) that belongs to the A. albosignatus species group (Cruz and Peixoto 1984). The snout is pointed in dorsal view, head broader than long. Vomerine teeth are present. Eyes large and prominent. Large vocal sac in male. Tympanum distinct. The calcaneous appendix is large. Cloacal region with large granules, without a flap. The general dorsal color is green, as well as the muscles and bones.
The tadpole was described by Gomes (1996): body oval in dorsal view, nares reniform, spiracle sinistral, vent tube dextral, caudal muscle well-developed, oral apparatus ventral, LTRF 2(2)/4(1), a single layer of marginal papillae, submarginal papillae present.
The name is given in allusion to the cloacal ornamentation.