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Leptomantis belalongensis

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Leptomantis belalongensis is a species of frog in the family Rhacophoridae.[1][2][3]

Distribution and taxonomy

Leptomantis belalongensis is endemic to the Temburong District of Brunei. It occurs only in several small tributaries of the Sungai Temburong and Sungai Belalong rivers, in the area of their confluence. The frog's specific name refers to the latter river; the Latin suffix -ensis means "originating in". Its closest relatives include Rhacophorus bimaculatus, Rhacophorus catamitus, Rhacophorus gadingensis, and Rhacophorus gauni.[1]

Description

Leptomantis belalongensis is a small, slender frog with a narrow waist. When adult, males measure 38.2 to 30.9 millimeters, and females 34.7 to 25.8 millimeters. The head's width is greater than both its length and the width of the body. The snout is obtuse, with teeth on the upper jawbone, and the canthal ridge is sharp. The loreal region is sloping and oblique, and the nostrils are located closer to the tip of the stout than to the eyes. The irises of the large, protruding eyes are ruby-coloured, diffusing to yellow laterally with a distinct black ring along the margin. The diameter of the faintly visible tympanum equals one-third of that of the eye.[1]

The arms are moderately slender. A characteristic row of small white tubercles can be seen on each forearm. The four fingers are slightly webbed, and their tips are oval and broad, with the disk of the third and the longest finger wider than the tympanum; each tip possesses a circummarginal groove. The legs are slender and fairly long, with the tibiotarsal joint reaching the tip of the vent. A large pointed calcar is present on each heel. The disks of the five, fairly webbed toes, of which the fourth one is the longest, are smaller than those of the fingers. Each digit possesses one to three subarticular tubercles, well developed on the fingers. Several tubercles are present on the hands and the feet, with the biggest one located at the base of the thumb. Other characteristics of the species include the lack of a dermal flap along the forearm, and a weakly expressed or absent supratympanic fold.[1]

The skin on the back, dotted with small tubercles, as well as on the abdomen and the ventral side of the thighs is granular; it is smooth on the chin, the throat and the chest. The dorsum is light brown to grey, almost regularly speckled with small dark brown irregularly shaped spots; on the flanks and the anterior surfaces of the thighs can be seen irregularly shaped sky blue blotches. The venter is white.[1]

Ecology and behaviour

Leptomantis belalongensis can be found on vegetation, next to small, fast-flowing rivulets, usually at one to three meters above the ground; some males, however, were heard calling from as high as ten meters.[1]

The advertisement calls consist of one to three, usually two, short clicks, given at irregular intervals. The eggs are deposited within foam nests, as big as 38.4 mm x 26.9 mm x 9.1 mm and attached to the surface of leaves. The number of eggs laid is small—up to 25, with most of them typically hatching into tadpoles.[1]

References

  1. ^ a b c d e f g h Dehling, J. M.; T. U. Grafe (2008). "A new treefrog of the genus Rhacophorus (Anura: Rhacophoridae) from Brunei Darussalam (Borneo)". Salamandra. 44 (2): 101–112.
  2. ^ Frost, Darrel R. (2016). "Rhacophorus belalongensis Dehling and Grafe, 2008". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 22 March 2016.
  3. ^ "Rhacophorus belalongensis". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2016. Retrieved 22 March 2016.
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Leptomantis belalongensis: Brief Summary

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Leptomantis belalongensis is a species of frog in the family Rhacophoridae.

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Rhacophorus belalongensis ( Spanish; Castilian )

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Rhacophorus belalongensis[1]​ es una especie de anfibio anuro de la familia Rhacophoridae.

Distribución geográfica

Esta especie es endémica de Brunéi en la isla de Borneo. Habita en la cuenca de confluencia de los ríos Sungai Temburong y Sungai Belalong en el distrito de Temburong.[2]

Descripción

Rhacophorus belalongensis mide hasta 30 mm para los machos y hasta 38 mm para las hembras. Es una especie arbórea.

Etimología

El nombre de la especie está compuesto de belalong y del sufijo latino -ensis que significa "que vive, que habita", y se le dio en referencia al lugar de su descubrimiento, la cuenca del río Sungai Belalong.

Publicación original

  • Dehling & Grafe, 2008 : A new treefrog of the genus Rhacophorus (Anura: Rhacophoridae) from Brunei Darussalam (Borneo). Salamandra, vol. 44, n° 2, p. 101-112.[3]

Referencias

  1. NCBI: Rhacophorus belalongensis especie de anfibio anuro Consultado el 8 de agosto de 2019
  2. AmphibiaWeb: Rhacophorus belalongensis (Dehling & Grafe, 2008) Consultado el 8 de agosto de 2019
  3. Amphibian Species of the World: Rhacophorus belalongensis (Dehling & Grafe, 2008) Consultado el 8 de agosto de 2019

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Rhacophorus belalongensis: Brief Summary ( Spanish; Castilian )

provided by wikipedia ES

Rhacophorus belalongensis​ es una especie de anfibio anuro de la familia Rhacophoridae.

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Rhacophorus belalongensis ( French )

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Rhacophorus belalongensis est une espèce d'amphibiens de la famille des Rhacophoridae[1].

Répartition

Cette espèce est endémique du Brunei, sur l'île de Bornéo. Elle se rencontre dans le bassin de la confluence des rivières Sungai Temburong et Sungai Belalong dans le district de Temburong[1].

Description

Rhacophorus belalongensis mesure jusqu'à 30 mm pour les mâles et jusqu'à 38 mm pour les femelles[2]. Il s'agit d'une espèce arboricole.

Étymologie

Son nom d'espèce, composé de belalong et du suffixe latin -ensis, « qui vit dans, qui habite », lui a été donné en référence au lieu de sa découverte, le bassin de la rivière Sungai Belalong.

Publication originale

  • Dehling & Grafe, 2008 : A new treefrog of the genus Rhacophorus (Anura: Rhacophoridae) from Brunei Darussalam (Borneo). Salamandra, vol. 44, no 2, p. 101-112.

Notes et références

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Rhacophorus belalongensis: Brief Summary ( French )

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Rhacophorus belalongensis est une espèce d'amphibiens de la famille des Rhacophoridae.

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