Mission golden-eyed tree frog

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Mission golden-eyed tree frog
Phrynohyas resinifictrix Warsaw Zoo 02.jpg
Scientific classification edit
Kingdom: Animalia
Phylum: Chordata
Class: Amphibia
Order: Anura
Family: Hylidae
Genus: Trachycephalus
T. resinifictrix
Binomial name
Trachycephalus resinifictrix
(Goeldi, 1907)

Phrynohyas resinifictrix

The Mission golden-eyed tree frog[2] or Amazon milk frog (Trachycephalus resinifictrix) is a large species of arboreal frog native to the Amazon Rainforest in South America. It is sometimes referred to as the blue milk frog. It was first discovered along the Maracanã River in Brazil. This species was previously within the genus Phrynohyas, which was recently synonymized with Trachycephalus.[1]



These frogs are fairly large, reaching sizes of 2.5 to 4.0 in (6.4 to 10.2 cm) in length. Adult frogs are light grey in colour with brown or black banding, while juveniles will exhibit stronger contrasts. As they age, their skin develops a slightly bumpy texture.

Amazon milk frog - Trachycephalus resinifictrix

The "milk" in the common name comes from the milky fluid these frogs excrete when stressed.


Mission golden-eyed tree frogs inhabit humid rainforest regions. They often inhabit vegetation which extends over permanent, slow-moving water sources.

In captivity[edit]

Trachycephalus resinifictrix is commonly found in captivity. They are relatively easy to care for, but require a significant amount of space, humidity, and regular cage maintenance to ensure a clean healthy environment.[3][4]


  1. ^ a b Enrique La Marca, Claudia Azevedo-Ramos, Robert Reynolds, Luis A. Coloma, Santiago Ron (2010). Trachycephalus resinifictrix. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. www.iucnredlist.org. Downloaded on 6 April 2013.
  2. ^ Trachycephalus resinifictrix, Amphibian Species of the World 5.6
  3. ^ Josh's Frogs: Amazon Milk Frog Care
  4. ^ Amphibian Care: Amazon Milk Frog

External links[edit]

Media related to Trachycephalus resinifictrix at Wikimedia Commons