The specific name, carvalhoi, is in honor of Brazilian herpetologist Antenor Leitão de Carvalho, who collected the type specimen.

[3][2] A. carvalhoi is found in northeastern Brazil in the state of Pernambuco.

[4] The preferred natural habitat of A. carvalhoi is shrubland.

[1] The holotype of A. carvalhoi was collected at an altitude of 1,035 m (3,396 ft).

[4] A. carvalhoi may attain a total length (including tail) of 24.5 cm (9.6 in).