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Amphibians Living Least Concern

American Bullfrog

Lithobates catesbeianus

A large North American frog that has been introduced to many regions outside its native range.

American Bullfrog
Photo: Katja Schulz from Washington, D. C., USA · CC BY 2.0

Overview

American bullfrogs are opportunistic predators associated with permanent freshwater. Introduced populations can affect native amphibians and other small animals.

Physical characteristics

Length9–20 cm
Weight0.2–0.8 kg
Typical lifespan9 years
DietCarnivore

Habitat & distribution

Habitats

LakePondMarshSlow River

Range

North America

Video

A confocal Z-stack animation of the macular periphery illustrates the presence of efferent terminals exclusively at the basolateral region of hair cells. Synapsin I is shown in red, parvalbumin 3 in green, and DAPI-labeled nuclei in blue. The beginning of the movie corresponds to the somata of the supporting cells and the end to the apical surfaces and hair bundles of the hair cells.Credit: Castellano-Muñoz M, Israel S, Hudspeth A · CC BY 2.5Source ↗

Sounds

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