''Duellmanohyla'' is a genus of

frog A frog is any member of a diverse and largely semiaquatic group of short-bodied, tailless amphibian vertebrates composing the order (biology), order Anura (coming from the Ancient Greek , literally 'without tail'). Frog species with rough ski ...

s (mountain brook frogs) in the family

Hylidae Hylidae is a wide-ranging family of frogs commonly referred to as " tree frogs and their allies". However, the hylids include a diversity of frog species, many of which do not live in trees, but are terrestrial or semiaquatic. Taxonomy and ...

found in

Oaxaca Oaxaca, officially the Free and Sovereign State of Oaxaca, is one of the 32 states that compose the political divisions of Mexico, Federative Entities of the Mexico, United Mexican States. It is divided into municipalities of Oaxaca, 570 munici ...

Mexico Mexico, officially the United Mexican States, is a country in North America. It is the northernmost country in Latin America, and borders the United States to the north, and Guatemala and Belize to the southeast; while having maritime boundar ...

, as well as

Central America Central America is a subregion of North America. Its political boundaries are defined as bordering Mexico to the north, Colombia to the southeast, the Caribbean to the east, and the Pacific Ocean to the southwest. Central America is usually ...

. These are small stream-breeding frogs have bright red, bronze or yellow irises. Their

dorsa Standard anatomical terms of location are used to describe unambiguously the anatomy of humans and other animals. The terms, typically derived from Latin or Greek roots, describe something in its standard anatomical position. This position provi ...

are uniform pale green, olive, red-brown or lichenose, with green or olive spots on a black background. Several species have pale upper labial and lateral stripes. Some fingers or toes have moderate webbing.

Description

''Duellmanohyla'' are small or moderately small frogs. The dorsum is uniformly pale green, olive, reddish brown, or lichenose, and bears green or olive spots on a black background. The

iris Iris most often refers to: *Iris (anatomy), part of the eye * Iris (color), an ambiguous color term *Iris (mythology), a Greek goddess * ''Iris'' (plant), a genus of flowering plants * Iris (given name), a feminine given name, and a list of peopl ...

is bright red, orange, or yellow. The fingers and toes are moderately webbed.

Ecology

''Duellmanohyla'' breed in fast-flowing mountain streams. To adapt to this habitat, the frogs have a moderate degree of webbing on the forefeet and on some digits of the hind-feet. Egg-laying has not been observed in any species in the genus, and it is thought that the females may deposit their eggs on the foliage above the water of swift-flowing mountain streams, the

tadpole A tadpole or polliwog (also spelled pollywog) is the Larva, larval stage in the biological life cycle of an amphibian. Most tadpoles are fully Aquatic animal, aquatic, though some species of amphibians have tadpoles that are terrestrial animal, ...

s then falling into the stream when they hatch. The tadpoles have dangling oral discs by which they can attach themselves to the

substrate Substrate may refer to: Physical layers *Substrate (biology), the natural environment in which an organism lives, or the surface or medium on which an organism grows or is attached ** Substrate (aquatic environment), the earthy material that exi ...

Species

The genus contains eight species:

References

{{Taxonbar, from=Q594333 Amphibians of Central America Amphibians of North America Amphibian genera Taxa named by Jonathan A. Campbell