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HERPETOLOGICAL JOURNAL, VoI. 8, pp. 149-159 (1998) A NEW MANTIDACTYLUS FROM SOUTH-EASTERN MADAGASCAR, WITH A
 

Summary: HERPETOLOGICAL JOURNAL, VoI. 8, pp. 149-159 (1998)
A NEW MANTIDACTYLUS FROM SOUTH-EASTERN MADAGASCAR, WITH A
REVIEW OF MANTIDACTYLUS PERACCAE (RANIDAE: MANTELLINAE)
FRANCO ANDREONE', FRANK GLAW2, MIGUEL VENCES3 AND DENIS VALLAN4
ISezione di Zoologia, Museo Regionale di Scienze Naturali, Via G. Giolitti, 36, 1-10123 Torino, Italy
2Zoologische Staatssammlung Munchen, Munchhausenstr. 21, D-81247 Munchen, Germany
3Zoologisches Forschungsinstitut und Museum Alexander Koenig, Adenauerallee 160, D-53113 Bonn, Germany
4Zoologisches Institut, Universitat Bern, Baltzenstrasse 3, eH-3012 Bern, Switzerland
In the course of a herpetological survey in southern Malagasy rainforest, a new species ofthe
endemic genus Mantidactylus was discovered and is here described as M. brunae n. sp. This frog
is similar to M. peraccae for which a redescription, new locality records, and natural history
notes are provided. The examined M. peraccae specimens are slightly warty dorsally, with small,
dark protruding dots surrounding brown rounded patches on the light brown dorsum.
Mantidactylus peraccae has a wide distribution in eastern Madagascar, occurring at elevations
between 900 and 1800 m. M. brunae n. sp. inhabits the low-altitude rainforest of Andohahela
and differs from M. peraccae in its slender form and smoother skin. In contrast to M. peraccae
(which is arboreal), M. brunae n. sp. was found on the ground in crevices along rocky forest
brooks. Its acoustic repertoire consists of a rapid trill-like series of 3-4 click notes with a
frequency ranging from about 1.4to 6.7 kHz, whereas M. peraccae emits metallic sounds, single
or in series, from elevated positions. Morphological and bioacoustic differences between

  

Source: Andreone, Franco - Zoology Department, Museo Regionale di Scienze Naturali di Torino

 

Collections: Biology and Medicine; Environmental Sciences and Ecology