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Species of the Week
Boana semilineata

Photo © Peter Janzen

Amphibian News
Frogs are well known for their complex life cycles, with many species having a free-swimming tadpole stage before metamorphosing into a froglet that often lives a more land-loving lifestyle. This great diversity in form and ecology of tadpoles parallels the amazing diversity of adult frogs but has received far less attention. In a tremendous effort to bridge this gap between tadpole and adult data availability, Pezzuti et al. (2021) have collected life history and morphological data for 67 species belonging to 25 different genera and 11 families. This study also includes the first tadpole descriptions for seven species! Aside from the wealth of data for future research, including illustrations, photographs, and identification keys, this study provides an important benchmark for frog conservation in the Brazilian Iron Quadrangle (IQ, Quadrilátero Ferrífero), a region of high amphibian diversity and ongoing habitat destruction from the heavy mining activities. Tadpole habitats are as threatened as adult frog habitats and it is impossible to monitor and conserve frog species if we do not understand tadpole diversity.



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Current number of amphibian species: 8,474 (Apr 23, 2022) Newly added species