''Ceuthomantis duellmani'' is a species of

frog A frog is any member of a diverse and largely Carnivore, carnivorous group of short-bodied, tailless amphibians composing the order (biology), order Anura (ανοὐρά, literally ''without tail'' in Ancient Greek). The oldest fossil "proto-f ...

in the family

Ceuthomantidae ''Ceuthomantis'' is a small genus of craugastorid frogs, also treated as comprising their own monogeneric family Ceuthomantidae. They are found in the southern and eastern parts of the Guiana Highlands in Venezuela, Guyana, and Brazil. The generi ...

. It is

endemic Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsew ...

to the Sarisariñama tepui, Bolívar state, in the southeastern Venezuela. It is named in honour of , herpetologist from the

University of Kansas The University of Kansas (KU) is a public research university with its main campus in Lawrence, Kansas, United States, and several satellite campuses, research and educational centers, medical centers, and classes across the state of Kansas. Tw ...

Description

The

type series In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes the ...

consists of three males measuring in

snout–vent length Snout–vent length (SVL) is a morphometric measurement taken in herpetology from the tip of the snout to the most posterior opening of the cloacal slit (vent)."direct line distance from tip of snout to posterior margin of vent" It is the most c ...

. Dorsal skin is areolate to tuberculate and green to brown in colour, without any apparent pattern. Some tubercles on head and body are reddish. Tympanum is distinct.

Iris Iris most often refers to: *Iris (anatomy), part of the eye *Iris (mythology), a Greek goddess * ''Iris'' (plant), a genus of flowering plants *Iris (color), an ambiguous color term Iris or IRIS may also refer to: Arts and media Fictional enti ...

is yellow. Ventral surfaces are grey. Third and fourth fingers and third to fifth toes bear broad, medially notched discs that are characteristic for the genus. Males call during the day on humid days and especially after rains. The trill call might be a

synapomorphy In phylogenetics, an apomorphy (or derived trait) is a novel character or character state that has evolved from its ancestral form (or plesiomorphy). A synapomorphy is an apomorphy shared by two or more taxa and is therefore hypothesized to have ...

of the genus.

Habitat and conservation

''Ceuthomantis duellmani'' occurs in montane

dwarf forest Dwarf forest, elfin forest, or pygmy forest is an uncommon ecosystem featuring miniature trees, inhabited by small species of fauna such as rodents and lizards. They are usually located at high elevations, under conditions of sufficient air humi ...

that is completely covered by mosses and other epiphytes. Males call from concealed sites under the ground, or hidden inside roots and holes of trees (and are extremely difficult to locate). Its altitudinal range is at least

asl American Sign Language (ASL) is a natural language that serves as the predominant sign language of Deaf communities in the United States of America and most of Anglophone Canada. ASL is a complete and organized visual language that is express ...

. ''Ceuthomantis duellmani'' is abundant on the Sarisariñama tepui. The tepui is within the

Jaua-Sarisariñama National Park Jaua-Sarisariñama National Park (Spanish: ''Parque nacional Jaua-Sarisariñama'') was located in the Guayana Highlands, within Bolívar State of southeastern Venezuela.BirdLife International (2015Important Bird and Biodiversity Area factsheet: ...

, and no major threats to this species have been identified. Its distribution is likely to include the neighbouring tepuis Jaua and Guanacoco.

References

{{DEFAULTSORT:Ceuthomantis Duellmani duellmani Endemic fauna of Venezuela Amphibians of Venezuela Amphibians of the Tepuis Amphibians described in 2010 Taxa named by Cesar L. Barrio-Amoros