Experimental evidence in a poison frog model suggests that tadpole transport on the dorsum may affects warning signal effectiveness in poison frogs

Toro-Gómez, María Paula; Carvajal-Castro, Juan D.; Casas‐Cardona, Santiago; Vargas‐Salinas, Fernando

doi:10.1007/s10682-022-10219-z

Cited by 1 publication

(1 citation statement)

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“…In the case of poison frogs, aposematism seems to have evolved before phytotelm breeding. Aposematic species also tend to carry fewer tadpoles than camouflaged species (Carvajal-Castro et al 2021), which may, at least in part, be explained by the fact that the tadpoles carried on the dorsum of a parent may hamper the efficacy of its aposematic signal, rendering it more vulnerable to predator attacks (Toro-Gómez et al 2022). Moreover, female care occurs predominantly among aposematic phytotelm breeders (Carvajal-Castro et al 2021), which, in addition, tend to take caring one step further by providing unfertilized eggs to their offspring (Brown et al 2010).…”

Section: Colorationmentioning

confidence: 99%

What Amphibians Can Teach Us About the Evolution of Parental Care

Ringler

Rojas

Stynoski

et al. 2023

Annu. Rev. Ecol. Evol. Syst.

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Parenting is considered a key evolutionary innovation that contributed to the diversification and expansion of vertebrates. However, we know little about how such diversity evolved. Amphibians are an ideal group in which to identify the ecological factors that have facilitated or constrained the evolution of different forms of parental care. Among, but also within, the three amphibian orders—Anura, Caudata, and Gymnophiona—there is a high level of variation in habitat use, fertilization mode, mating systems, and parental sex roles. Recent work using broad phylogenetic, experimental, and physiological approaches has helped to uncover the factors that have selected for the evolution of care and transitions between different forms of parenting. Here, we highlight the exceptional diversity of amphibian parental care, emphasize the unique opportunities this group offers for addressing key questions about the evolution of parenting, and give insights into promising novel directions of research. Expected final online publication date for the Annual Review of Ecology, Evolution, and Systematics, Volume 54 is November 2023. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.

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