Hyperolius molleri
family: Hyperoliidae

© 2003 Robert C. Drewes (1 of 4)
Conservation Status (definitions)
IUCN (Red List) Status Least Concern (LC)
Other International Status None
National Status None
Regional Status None



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A rather small treefrog (males 24-31 mm, females 31-33 mm) with a large gular sac. Dorsum bright green or brown with fine spinosities. Pupil horizontal. Juveniles with light dorsolateral lines. Ventrum uniform unspotted white or uniform red, ventral side of legs white to red, not marbled in orange and black as in N. thomensis. Testicles large, eggs few.

Distribution and Habitat

Country distribution from AmphibiaWeb's database: Sao Tome and Principe


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Endemic to Principe and São Tomé at an altitude of 500-1000 m, on the latter island sympatric with N. thomensis.

Life History, Abundance, Activity, and Special Behaviors
The call is a coarse, creaking buzz with a frequency-intensity maximum at 2500 cps.

This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira publishers, Frankfurt am Main.


Drewes, R. and Wilkinson, J. (2004). ''The California Academy of Sciences Gulf of Guinea expedition I: The taxonomic status of the genus Nesionixalus with comments on the genus Hyperolius.'' Proceedings of the California Academy of Sciences, 55(20), 395-407.

Schiøtz, A. (1999). Treefrogs of Africa. Edition Chimaira, Frankfurt am Main.

Written by Arne Schioetz (arne AT, *
First submitted 2001-02-12
Edited by NW (2008-03-11)

Species Account Citation: AmphibiaWeb 2008 Hyperolius molleri <> University of California, Berkeley, CA, USA. Accessed Jul 15, 2020.

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Citation: AmphibiaWeb. 2020. <> University of California, Berkeley, CA, USA. Accessed 15 Jul 2020.

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