Synapturanus ajuricaba is a species of microhylid frog.

It is endemic to the state of Para in Brazil.

[1][2] Synapturanus ajuricaba was described in 2021 by a team of researchers, including Raffael Ernst, a German herpetologist.

[1][2][3] Synapturanus ajuricaba has a snout-vent length of 29.3–37.3 mm.

[1] The species is found in the northern parts of the Brazilian states of Amazonas and Pará.