Lifestyle and Lifespan
These frogs are light grayish in color with brown or black banding. Juveniles show stronger contrast which fades somewhat with maturity. Skin also becomes somewhat bumpy as they age.
This species was previously within the genus Phrynohyas. However it was synonymised with Trachycephalus after the extensive revision of the family Hylidae in 2005.
This species is sometimes called the mission golden eyed-tree frog for its golden iris, with a black Maltese cross centered on the pupil. It is also known as the boatman frog, "sapo canoeiro", because its croaks, which sounds like oars against the side of a canoe.
Above or near slow-moving water in humid rainforest regions.
Rarely recorded, probably because of its arboreal habits.
Adults will consume almost any type of small arthropod they can overpower and swallow.
This frog inhabits the canopy of tropical primary rainforests, where they breed in tree cavities and may seldom, if ever, descend to the ground. It reproduces in tree cavities and it is characterized by loud vocalization.
Amazon Milk Frogs do great in groups. Overly amorous males may harass females on occasion, but Amazon Milk Frogs typically coexist peacefully in groups
There is no fixed reproduction period. The females will lay about 2000 eggs in water captured within leaves or trees. The tadpoles hatch after one day. Only three weeks later, metamorphosis is completed.
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Their common name, "milk frog," refers to the poisonous, white, milky secretion that this frog secretes when threatened.