Ptychadena subpunctata (Bocage, 1866)

Conradie, Werner, Keates, Chad, Verburgt, Luke, Baptista, Ninda L. & Harvey, James, 2023, Contributions to the herpetofauna of the Angolan Okavango- Cuando-Zambezi river drainages. Part 3: Amphibians, Amphibian & Reptile Conservation (e 325) 17 (1), pp. 19-56 : 46

Ptychadena subpunctata (Bocage, 1866) Speckled-bellied Ridged Frog ( Map 32 )

Material (2 specimens): PEM A14874 , Ninda River , -14.84018° 21.66556°, 1,081 m asl ; PEM A14812 , Luio River camp floodplains, -13.19711° 20.22194°, 1,181 m asl. Description: Large robust Ptychadena ; snout pointed; two phalanges of longest toe free of webbing; large tympanum; small elevated inner metatarsal tubercle; outer metatarsal tubercle absent. Dorsum brown, with large rounded dark brown spots; dorsal ridges pale; narrow vertebral stripe present; lower jaw barred; white spot below eye; back of thighs with two continuous black stripes below vent from knee to knee; white stripe on dorsal tibia; ventrum finely spotted. In males, the forearms and thumbs are swollen and nuptial pads are black. Adult males (n = 2) varied from 44.6–61.0 (53.1) mm (largest male: PEM A14874 ). Habitat and natural history notes: Only found at Zambezi River tributaries to the east and clearly absent from the source lake area. Comments: Although originally described from Angola, only a few records are known from the country ( Marques et al. 2018) .

Figures

Map 32. Distribution of Ptychadena subpunctata in Angola.