Comprehensive DescriptionRead full entry
A small, green treefrog, males 21-26 mm; females unknown. Bright green with scattered brown spots, sometimes with a few large yellow spots on the dorsum. Upper eyelids yellow with brown. A moderately wide yellow line, bordered with brown spots, runs from the tip of the snout over the nostrils to the anterior corner of the eye. Venter pale green. Skin smooth. Iris silvery grey with brown reticulations. Nostrils slighly nearer to eye than to tip of snout. Tympanum rather indistinct, about 1/3 of eye diameter. Ratio of hand length/body length is 0.3-0.36. Tibiotarsal articulation reaches beyond tip of snout.
Webbing of the hand 1(1), 2i/e(1), 3i(2), 3e(1), 4(1-1.5); webbing of the foot 1(0), 2i/e(0), 3i(1), 3e(0-0.5), 4i/e(1), 5(0).
Males with small unpigmented nuptial pads and a single subgular, moderately distensible vocal sac.
Similar species: In contrast to the other three species of the B. rappiodes-group, B. mandraka has no blue ring on the outer iris area. In B. ankaratra the tibiotarsal articulation does not reach beyond tip of snout.
Taken with permission from Glaw and Vences (2007).