IUCN threat status:

Least Concern (LC)

Comprehensive Description

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H. rosenbergi is a nest-building gladiator frog. Lethal fights between males as well as male clutch guarding are common. Males produce five types of vocalization including: an advertisementcall, a courtship call, agressive calls, and a distress call. The mean snout-vent length of male frogs in La Gamba, Costa Rica was 63.1 mm (range 55.7-76) and for females it was 67.2 mm (range 57.4-75.5). Females were significantly larger and heavier than males. The clutches had a single floating layer of eggs embedded in transparent gelatinous caps7ules and contained 775 eggs (range 513-1231).

A Spanish-language species account can be found at the website of Instituto Nacional de Biodiversidad (INBio).


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