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1. A skeletochronological estimate of age and growth in a large riparian frog from Madagascar (Anura, Mantellidae, Mantidactylus).

Author

Guarino, Fabio M., Crottini, Angelica, Mezzasalma, Marcello, Randrianirina, Jasmin E., and Andreone, Franco

Subjects
SKELETOCHRONOLOGY, MANTELLIDAE, BODY size, GROWTH rate, AMPHIBIANS
Abstract

We characterized the body size (as snout-vent length), age, sexual size dimorphism, and growth rate in a population of one of the larger riparian frog from Madagascar (Mantidactylus grandidieri) from a rainforest patch close to Vevembe, SE Madagascar. We identified a significant female-biased sexual size dimorphism. Age was estimated using phalangeal skeletochronology and was significantly higher in females than in males. Modal age class turned out to be 4 years in both sexes but a large percentage of adult females (75%) fell in the 5-6 years-old classes, while no male exceeded 4 years. We here report M. grandidieri as a medium-long-lived anuran species. Von Bertalanffy's model showed similar growth trajectories between the sexes although the growth coefficient in females (k = 0.335) was slightly but not significantly higher than in males (k = 0.329). [ABSTRACT FROM AUTHOR]

Published
2019
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2. A skeletochronological estimate of age and growth in a large riparian frog from Madagascar (Anura, Mantellidae, Mantidactylus)

Author

Angelica Crottini, Marcello Mezzasalma, Franco Andreone, Fabio Maria Guarino, Jasmin E. Randrianirina, Guarino, Fabio M., Crottini, Angelica, Mezzasalma, Marcello, Randrianirina, Jasmin E., and Andreone, Franco

Subjects
0106 biological sciences, phalangeal skeletochronology, Mantellidae, 010607 zoology, Zoology, sexual size dimorphism, 010603 evolutionary biology, 01 natural sciences, Aerugoamnis, Mantidactylus, Amphibia, Gnathostomata, longevity, lcsh:Zoology, Animalia, Branchiostoma capense, lcsh:QL1-991, Chordata, Ecology, Evolution, Behavior and Systematics, Riparian zone, Vertebrata, Lissamphibia, geography, Craniata, geography.geographical_feature_category, biology, Ymeria, growth curve, longevity, Malagasy herpetofauna, Mantidactylus subgenus, phalangeal skeletochronology, sexual size dimorphism, Vevembe, Cephalornis, biology.organism_classification, Mantidactylus subgenus, Malagasy herpetofauna, Vevembe, Animal Science and Zoology, Anura, growth curve
Abstract

We characterized the body size (as snout-vent length), age, sexual size dimorphism, and growth rate in a population of one of the larger riparian frog from Madagascar (Mantidactylusgrandidieri) from a rainforest patch close to Vevembe, SE Madagascar. We identified a significant female-biased sexual size dimorphism. Age was estimated using phalangeal skeletochronology and was significantly higher in females than in males. Modal age class turned out to be 4 years in both sexes but a large percentage of adult females (75%) fell in the 5–6 years-old classes, while no male exceeded 4 years. We here report M.grandidieri as a medium-long-lived anuran species. Von Bertalanffy’s model showed similar growth trajectories between the sexes although the growth coefficient in females (k = 0.335) was slightly but not significantly higher than in males (k = 0.329).

Published
2019

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