Nyctimystes is a genus of tree frogs in the subfamily Pelodryadinae of the family Hylidae. They are principally Papuan species, but also inhabit islands in the Moluccas. All species in this genus have one distinct feature that separates them from other species in the family, the lower eyelid is marked with pattern of lines, veins, or dots. This feature presumably acts as camouflage when the frogs are at rest during the day.
The Arfakiana tree frog is a species of frog in the subfamily Pelodryadinae. It is found in New Guinea.
The Nodugl tree frog is a species of frog in the subfamily Pelodryadinae. It is found in New Guinea.
Nyctimystes fluviatilis, also known as the Indonesian big-eyed tree frog, is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to New Guinea and is known from Idenburg River and Wapoga River in Papua province, Indonesia, and from the Torricelli Mountains in the East Sepik Province and Kavorabip in the Western Province, both in the western Papua New Guinea.
Nyctimystes gularis, the Mondo big-eyed tree frog, is a species of frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. Its natural habitats are subtropical or tropical moist montane forests and rivers.
Nyctimystes kubori is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to Papua New Guinea and is widespread in the New Guinea Highlands between 141°E and 147°E and in the mountains of the Huon Peninsula. The specific name kubori refers to its type locality in the Kubor Mountains. Common name sandy big-eyed treefrog has been coined for this species.
Nyctimystes narinosus, the common big-eyed treefrog, is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to New Guinea and occurs in the Wahgi-Sepik Dividing Range and the Schrader Mountains, on both sides of the border between Papua (Indonesia) and Papua New Guinea. There is, however, some uncertainty about the western limit of this species. Despite its vernacular name, Nyctimystes narinosus is not a common species.
Nyctimystes obsoletus, the Simbang big-eyed tree frog, is a species of frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. Its natural habitats are subtropical or tropical moist lowland forests and rivers.
Nyctimystes papua, the Papua big-eyed tree frog, is a species of frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. Its natural habitats are subtropical or tropical moist montane forests and rivers.
Nyctimystes persimilis, also known as the Milne big-eyed treefrog, is a species of frog in the subfamily Pelodryadinae of the family Hylidae. It is endemic to Papua New Guinea and known from Mount Dayman and Mount Simpson in the Owen Stanley Range.
Nyctimystes semipalmatus, the Kokoda big-eyed tree frog, is a species of frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. Its natural habitats are subtropical or tropical moist lowland forests, rivers, and heavily degraded former forests.
Nyctimystes zweifeli, or Zweifel's big-eyed tree frog, is a species of frog in the subfamily Pelodryadinae endemic to Papua New Guinea. Its natural habitats are subtropical or tropical moist montane forests and rivers.
Nyctimystes hunti is a species of tree frog in the subfamily Pelodryadinae. It is endemic to northern Papua New Guinea. Scientists have seen it only in Utai, Sanduan Province, but predict that also lives elsewhere on New Guinea.
Nyctimystes sauroni is a species of tree frog and an endemic to Papua New Guinea Scientifically, it is in the subfamily Pelodryadinae. It is Scientists know it solely from the Kikori Integrate Conservation and Development Project area.
Nyctimystes traunae is a species of tree frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. It lives on mountains in the centre of the island in the Western Highlands Province. Scientists have seen it about 800 meters above sea level.
Nyctimystes pallidofemora is a species of tree frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. Scientists disagree about whether this frog is best placed in the genus Nyctimystes or the genus Litoria.
Nyctimystes cryptochrysos is a species of tree frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. It lives on Fergusson Island between 900 and 1500 meters above sea level. Scientists suspect it may also live in the D'Entrecasteaux Islands.
Nyctimystes myolae is a species of tree frog in the subfamily Pelodryadinae, endemic to Papua New Guinea. Scientists observed this frog near the village of Myola village, at 2000 meters above sea level.
Nyctimystes kuduki is a species of tree frog in the sub-family Pelodryadinae. It is endemic to Papua New Guinea and is found in montane rainforests in Southern Highlands Province.
