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Anura: Mantellidae - Malagasy Frogs |
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| The mantellid frogs are composed of four subfamlies, 12 genera, and about 170 species restricted to Madagascar and Mayotte Island in the Comoros Island Group. They represent a huge evolutionary radiation of frogs that occured in the isolation of Madagascar. Some species are arboreal, others are terrestrial. Some have direct development of eggs that are laid on land while others deposit eggs in ponds or streams and have tadpoles adapted for those specific aquatic environments. Some of these have been regarded as ranid (Ranidae) frogs while others have been considered rhacophorids. It is now clear that they represent a Malagasy lineage that has groups convergent with families from other lineages. Frost et al. (2006, Bulletin of the American Museum of Natural History, 2970) considered the Mantellidae as the sister taxon of Rhacophoridae and treated Boophinae as the sister taxon of an enlarged Mantellinae. | |
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Betsileo Golden Frog, Mantella betsileo (Grandidier, 1872). Adults are 20-28 mm. Males call during the day after heavy rainfalls. Eggs are laid on the ground under stones near streams or slow moving water. They feed on ants, termites, and probably mites. |
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