IUCN threat status:

Data Deficient (DD)

Comprehensive Description

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Description

A medium-sized green treefrog. Males 31-39 mm, females unknown.

Holotype: Adult male, ZFMK 57390, from the Marojezy massif at low altitude, NE-Madagascar. SVL 33 mm, head width 11.5 mm; eye diameter 4.3 mm, horizontal diameter of tympanum 1.9 mm; distance eye-nostril 2.1 mm, distance nostril-tip of snout 2.4 mm; hand length 10.3 mm, length of foot and tarsus 24.5 mm. Tibiotarsal articulation reaches slightly beyond tip of snout. Tips of fingers and toes circularly enlarged. The tibia is clearly longer than the foot. Vomerine teeth are present.

Webbing of the hand 1(-), 2i(-), 2e(1), 3i(2), 3e(1.25), 4(0.75); webbing of the foot 1(0), 2i(0.25), 2e(0), 3i(0.75), 3e(0.5), 4i/e(1), 5(0). Paired subgular vocal sacs were observed during the call. Distinct nuptial pad on the inner side of the first finger. Skin on the back smooth. In life dorsally green, with many small dark green spots. No trace of a dorsolateral band. Lower arm and tarsus with white fringes. Venter yellow, ventral surface of fingertips green. Ventral surface of arms and legs bluish green. Throat whitish to light green. In preservative ventral and dorsal surface uniformly yellowish white. Iris beige to silvery grey with indistinct reddish markings in the middle. There is no red ring on the outer iris area. Posterior iris periphery blue.

Similar species: The most similar taxon is Boophis luteus septentrionalis, which differs mainly by the mating call.

Derivatio nominis: Dedicated to Prof. Dr. Hans Engländer, Köln, with best wishes to his 80th birthday.

Taken with permission from Glaw and Vences (2007).

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