Species of the sticky frogs, Kalophrynus, inhabiting lowland and mountain forests in the south of Vietnam: A K. interlineatus, Cat Tien National Park (adult male, SVL 42.1 mm); B K. honbaensis, Hon Ba Nature Reserve (adult male, SVL 38.7 mm); C K. cryptophonus, Loc Bao forest (adult male, SVL 28.8 mm, photo by E. Galoyan).

  Part of: Vassilieva AB, Nguyen TV (2023) Restricting living space: Development and larval morphology in sticky frogs (Microhylidae: Kalophrynus) with different reproductive modes. Vertebrate Zoology 73: 367-382. https://doi.org/10.3897/vz.73.e98618