Publications
| individual variation in alkaloid content of poison frogs of madagascar (mantella; mantellidae). | brightly colored malagasy poison frogs, mantella spp., sequester lipophilic, basic alkaloids from arthropod prey for their own chemical defense. consequently, microsympatric prey diversity is expected to influence alkaloid diversity observed in poison frogs. twenty-two specimens of three mantella species from four localities in moist forests of southeastern madagascar were analyzed individually via gas chromatography-mass spectrometry, revealing that they contain over 80 known alkaloids. frogs w ... | 2006 | 17013661 |
| mitochondrial evidence for distinct phylogeographic units in the endangered malagasy poison frog mantella bernhardi. | mantella bernhardi is an endemic species of malagasy poison frog threatened by loss and fragmentation of its natural habitat and collection for the pet trade. it is classified as threatened according to the international union for conservation of nature and natural resources (iucn) categories and included in appendix ii of the convention on the international trade of endangered species (cites). a recent survey has increased the known distributional range of the species from one to eight populati ... | 2006 | 16629815 |