Brown Egg Frog
EN

Brown Egg Frog

Ctenophryne geayi

Unknown

Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Ctenophryne_geayi

Overview

Ctenophryne geayi is a species of frog in the family Microhylidae. It is widely distributed in the northern parts of South America, in the Guianas and in the Amazon Basin in Venezuela, Colombia, Ecuador, Peru, Bolivia, and Brazil. It might actually represent two species.

The Brown Egg Frog faces severe population declines primarily due to extensive deforestation and habitat fragmentation across its limited range in the Guiana Shield region. Mining activities, agricultural expansion, and infrastructure development have significantly reduced and degraded the pristine forest habitats this species requires for survival.

Threat summary

Habitat

Ctenophryne geayi occurs near flooded depressions and semi-permanent or seasonal ponds of old growth tropical rainforests at elevations up to above sea level. It is a secretive species that is nocturnal and fossorial, found above ground only during brief explosive periods of reproduction in pools. It can locally suffer from habitat loss but is not overall threatened; it occurs in many protected...

Frequently asked questions

Why is Brown Egg Frog classified as Endangered?
Brown Egg Frog is classified as Endangered — facing a very high risk of extinction in the wild — because population numbers are declining steeply and key habitats are under sustained pressure. The Brown Egg Frog faces severe population declines primarily due to extensive deforestation and habitat fragmentation across its limited range in the Guiana Shield region. Mining activities, agricultural expansion, and infrastructure development have significantly reduced and degraded the pristine forest habitats this species requires for survival.
Where does Brown Egg Frog live?
Brown Egg Frog occurs in Bolivia, Brazil, Colombia, Ecuador, French Guiana, and Guyana (plus 3 other countries). Country-level distribution data is sourced from the IUCN Red List and cross-referenced with GBIF occurrences.
What are the main threats to Brown Egg Frog?
The main threats to Brown Egg Frog are ai-1, ai-2, ai-3, and ai-4. The full IUCN-classified threat record for this species is detailed on the species page.

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