Distribution and invasion progress of Eleutherodactylus coqui (Anura: Eleutherodactylidae) introduced in Costa Rica

Barrantes-Madriga, Jimmy; Parallada, Manuel Spínola; Alvarado, Gilbert; Acosta-Chaves, Víctor J.

doi:10.11606/issn.2316-9079.v18i1p101-107

Cited by 6 publications

(8 citation statements)

References 25 publications

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“…However, unlike the case in Hawaii, in Costa Rica this species has maintained a limited dispersal because the biotic resistance and sedentary behavior discussed previously. Therefore, the scenario of a natural dispersion sounds like a less probable one based on what has been recorded in our study site into the Turrialba town thought the last 20 years (Barrantes-Madrigal et al 2019). Moreover, all the populations in Turrialba, Juan Viñas, and potentially Escazú, where introduced on purpose or accidentally by humans (Barrantes-Madrigal et al, 2019).…”

Section: Discussionmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

“…In Costa Rica, the Common coqui frog was introduced around 1998 into the city of Turrialba (García-Rodríguez et al, 2010;Barrantes-Madrigal et al, 2019). Unlike its invasion process in Hawaii, in the Cartago Province it has been kept restricted to a few localities for almost two decades: Turrialba and Juan Viñas (Barrantes-Madrigal et al, 2019). Although Barrantes-Madrigal et al (2019) provided an update of the invasion status of the species in Costa Rica, since then have been observed few individuals in San Antonio de Escazú (San José Province) (https:// www.inaturalist.org/observations/48536340).…”

Section: Introductionmentioning

confidence: 99%

“…Unlike its invasion process in Hawaii, in the Cartago Province it has been kept restricted to a few localities for almost two decades: Turrialba and Juan Viñas (Barrantes-Madrigal et al, 2019). Although Barrantes-Madrigal et al (2019) provided an update of the invasion status of the species in Costa Rica, since then have been observed few individuals in San Antonio de Escazú (San José Province) (https:// www.inaturalist.org/observations/48536340). To continue research on this topic is relevant to understand why this population survived in Turrialba, and what implications could it has with the years across the country.…”

Section: Introductionmentioning

confidence: 99%

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Occupancy and probability of detection of the introduced population of Eleutherodactylus coqui in Turrialba, Costa Rica

Barrantes-Madrigal

Parallada²,

Alvarado³

et al. 2022

Acta Herpetol.

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The Puerto Rican Common coqui frog (Eleutherodactylus coqui) has a long history as an invasive species in places such as Hawaii. Since its introduction in Costa Rica, scarce information is available to understand why and how the habitat in the Turrialba town is suitable for the species. Our goal was to analyze the habitat selection of E. coqui to identify if there are key habitat features that explained its success there. We measured 9 site variables that may affect the habitat selection of E. coqui in 92 survey units of 10 m radius distributed over a 500 m radius from its introduction point. We registered the presence/pseudo-absence data of E. coqui and environmental variables in each survey unit during eight surveys. We ran occupancy models to determine the influence of the variables on the habitat selection and to estimate its detection probability. We found that sites near the introduction point, containing abundant vegetation, bromeliads, and palms have a higher probability to be occupied by E. coqui. The habitat selection in Costa Rica shares characteristics with the populations of Puerto Rico and Hawaii. But, unlike the case in Hawaii, in Costa Rica this species has maintained a limited dispersal because the potentially higher biotic resistance, as well a sedentary behavior. However, the microhabitat conditions used by E. coqui in the study site are common throughout the country. Therefore, active management in new populations and environmental education programs to avoid human transportation of the species is critical to reduce its dispersal.

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Section: Discussionmentioning

confidence: 60%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Occupancy and probability of detection of the introduced population of Eleutherodactylus coqui in Turrialba, Costa Rica

Barrantes-Madrigal

Parallada²,

Alvarado³

et al. 2022

Acta Herpetol.

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“…Farther afield, coquí were accidentally introduced to Florida in the 1970s ( Austin and Schwartz, 1975 ; Wilson and Porras, 1983 ) and Hawai’i in the late 1980s ( Velo-Antón et al, 2007 ), presumably as hitch-hikers on ornamental plants (photo inset). An intentional introduction of E. coqui was documented in Costa Rica, where six individuals were released in a private garden in 1998 and have since spread ( Barrantes-Madriga et al, 2019 ). Floridian and some Hawaiian populations have been successfully eradicated due to inhospitable environmental conditions (Florida) and human effort (Hawai’i), but reintroductions remain a documented concern.…”

Section: Life History Of the Coquímentioning

confidence: 99%

The big potential of the small frog Eleutherodactylus coqui

Westrick

Laslo

Fischer

2022

eLife

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The Puerto Rican coquí frog Eleutherodactylus coqui (E. coqui) is both a cultural icon and a species with an unusual natural history that has attracted attention from researchers in a number of different fields within biology. Unlike most frogs, the coquí frog skips the tadpole stage, which makes it of interest to developmental biologists. The frog is best known in Puerto Rico for its notoriously loud mating call, which has allowed researchers to study aspects of social behavior such as vocal communication and courtship, while the ability of coquí to colonize new habitats has been used to explore the biology of invasive species. This article reviews research on the natural history of E. coqui and opportunities for future research.

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Fortune may favor the flexible: Environment-dependent behavioral shifts in invasive coquí frogs

Soto,

Edmonds,

Colton

et al. 2023

Preprint

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Biological invasions are a major driver of global biodiversity loss, impacting endemic species, ecosystems, and economies. As invasive species introductions continue to rise, addressing their impact has become a priority for conservation management. While the influence of life history traits on invasive success is well-established, the role of behavior remains an evolving area of research. The coquí frog,Eleutherodactylus coqui, an invasive species in Hawai’i, serves as an ideal model for studying the role of behavior, complementing previous research on its physiology, morphology, and the environmental factors that drive its invasive success. We examined behavior in the field across ecological gradients of population density and elevation. We observed that variations in exploratory behavior and activity were influenced by an interaction between density and elevation. Additionally, we evaluated behavior following prolonged acclimation to a novel lab environment. We found widespread plasticity in boldness, exploration, and activity, with all behaviors decreasing in the lab. In contrast, we observed consistent correlations between exploratory behavior and activity, both in the field and lab. The persistence of these correlations across environmental contexts highlights the potential for predicting behavioral responses of invasive species in novel environments. Lastly, we investigated the relationship between resting metabolic rate and behavior in the lab. We found positive correlations between resting metabolic rate and behavior, expanding our understanding of the interactions between physiology, behavior, and ecological influences. Taken together, our results suggest that behavior may be predicted based on a combination of environmental and physiological responses.

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Distribution and invasion progress of Eleutherodactylus coqui (Anura: Eleutherodactylidae) introduced in Costa Rica

Cited by 6 publications

References 25 publications

Occupancy and probability of detection of the introduced population of Eleutherodactylus coqui in Turrialba, Costa Rica

Occupancy and probability of detection of the introduced population of Eleutherodactylus coqui in Turrialba, Costa Rica

The big potential of the small frog Eleutherodactylus coqui

Fortune may favor the flexible: Environment-dependent behavioral shifts in invasive coquí frogs

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