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Short Communications Size at metamorphosis of Boophis occidentalis

Summary: 119
Short Communications
Size at metamorphosis of Boophis occidentalis
Glaw & Vences, 1994 in an arid environment of
central-southern Madagascar
Franco Andreone, Vincenzo Mercurio, Fabio Mattioli &
Tokihery J. Razafindrabe
Abstract. We report the size of tadpoles at metamorphosis of Boophis occidentalis measured upon tadpo-
les and froglets collected in a river of the Isalo Massif, central-southern Madagascar. The tadpoles ranged
from 3-70 mm and newly metamorphosed froglets 22-32 mm snout-vent length, thus reaching about 47-
60 % of the adult size. We comment on such a large size at metamorphosis in the light of the adaptation
and ecological advantages in arid environment where the species lives, and compare it with that of other
sympatric species, such as Scaphiophryne gottlebei, S. brevis, and Mantella expectata.
Key words. Amphibia, Mantellidae, Boophinae, tadpole, ecology.
Rheinbach, 20 May 2007 ISSN 0036-3375119-121243SALAMANDRA
An understanding of basic life history traits
of amphibians is a needed element to deter-
mine conservation priorities. Despite of this,
very little is known about the duration of the
larval development and ecology of the more


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


Collections: Biology and Medicine; Environmental Sciences and Ecology