Description
(
Inglês
)
fornecido por AmphibiaWeb articles
A Hyperolius from the highlands of western Cameroun and adjacent parts of Nigeria. Males are medium-sized (27–30 mm), females large (40 mm). Pupil horizontal. Phase J green with light canthal and dorsolateral stripes, phase F with a vermiculated pattern in yellow, red and black (ssp. riggenbachi) or yellow and black (ssp. hieroglyphicus). Colour in Phase J: Dorsum bright green with a narrow greenish-yellow canthal and dorsolateral stripe. Ventrum yellow, ventral surfaces of limbs greenish-yellow. Toes and fingers red. Phase F coloration: see under subspecies. A very few males show the phase F coloration.This species can be divided into two distinct subspecies with strikingly different phase F colour pattern:H. r. riggenbachi: Dorsum and dorsal surfaces of head and limbs with a complicated vermiculated pattern in black, red and yellow. Ventrum orange.H. r. hieroglyphicus Ahl 1931: Dorsal surfaces vermiculated in bright yellow on a jet-black background, or vermiculated black on a yellow background. Ventrum bright orange to red. Underside of feet and hands bright red.H. r. riggenbachi thus has three colours involved in the complicated pattern, H. r. hieroglyphicus only two. A comparison shows, however, that the two patterns are closely related. If the red pigmentation of riggenbachi is substituted with black, the hieroglyphicus pattern will emerge. The phase J males of the two subspecies are identical.The tadpole is a typical Hyperolius tadpole, the largest measured being 42 mm (17+25) with a tooth formula of 1/1+1,2.This species shows developmental changes in patterning, with two phases, J (juveniles and many mature males) and F (mature females and some mature males). All newly metamorphosed individuals are phase J, which is normally brownish to green with paired light dorsolateral lines, or an hourglass pattern. All females, and some males, develop into phase F before the first breeding season. Phase F is often colorful and variable, showing the diagnostic color characteristics for the species or subspecies. Either well-defined morphs may be present, or graded variation. This account was taken from "Treefrogs of Africa" by Arne Schiøtz with kind permission from Edition Chimaira (http://www.chimaira.de/) publishers, Frankfurt am Main.
Distribution and Habitat
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Inglês
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Found in bushland localities in highlands above 900 m. There are, however, records by Perret of this species (under the name of H. benueensis Monard) from the savanna lowlands. Amiet is somewhat doubtful about this extension into the lowlands.Distributed in Cameroun and easternmost Nigeria. Strangely enough, H. r. riggenbachi seems to be distributed in an enclave within the distribution area of H. r. hieroglyphicus.
Life History, Abundance, Activity, and Special Behaviors
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Inglês
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fornecido por AmphibiaWeb articles
The call has been recorded for H. r. hieroglyphicus; Amiet notes that the voice of H. r. riggenbachi is identical. It is a series of 5–12 clicks at a rate of about 15–20 per second, with an indistinct frequency-intensity maximum at about 3500–4000 cps.
Hyperolius riggenbachi
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Catalão; Valenciano
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fornecido por wikipedia CA
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Hyperolius riggenbachi: Brief Summary
(
Catalão; Valenciano
)
fornecido por wikipedia CA
Hyperolius riggenbachi és una espècie de granota que viu a Camerun i Nigèria.
Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.
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Hyperolius riggenbachi
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Inglês
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Hyperolius riggenbachi: Brief Summary
(
Inglês
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fornecido por wikipedia EN
Hyperolius riggenbachi is a species of frog in the family Hyperoliidae. Its common name is Riggenbach's reed frog. It is found on Bamenda Highlands and the Adamawa Plateau, western and central Cameroon, and Mambilla and Obudu Plateaus of eastern Nigeria. Its natural habitats are wetlands and small wooded watercourses in montane grassland. This species is very common within its small range, but is threatened by habitat loss caused by agricultural activities, wood collection, and human settlement.
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Hyperolius riggenbachi
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Espanhol; Castelhano
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Hyperolius riggenbachi: Brief Summary
(
Espanhol; Castelhano
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fornecido por wikipedia ES
Hyperolius riggenbachi es una especie de anfibios de la familia Hyperoliidae. Habita en Camerún y Nigeria. Su hábitat natural incluye montanos secos, praderas tropicales o subtropicales a gran altitud, pantanos, marismas de agua dulce y corrientes intermitentes de agua dulce. Está amenazada de extinción por la pérdida de su hábitat natural.
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Hyperolius riggenbachi
(
Basco
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Hyperolius riggenbachi: Brief Summary
(
Basco
)
fornecido por wikipedia EU
Hyperolius riggenbachi Hyperolius generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.
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Hyperolius riggenbachi
(
Francês
)
fornecido por wikipedia FR
Hyperolius riggenbachi est une espèce d'amphibiens de la famille des Hyperoliidae[1].
Répartition
Cette espèce se rencontre entre 900 et 1 800 m d'altitude[1],[2] :
Description
![src=]()
Hyperolius riggenbachi hieroglyphicus
Hyperolius riggenbachi mesure de 27 à 30 mm pour les mâles et jusqu'à 40 mm pour les femelles. Les têtards mesurent 42 mm dont 25 mm pour la queue[3].
Liste des sous-espèces
Selon Schiøtz, 1999 deux sous-espèces peuvent être reconnues[4] :
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Hyperolius riggenbachi riggenbachi (Nieden, 1910) - Dos présentant un motif complexe vermiculé en noir, rouge et jaune. Ventre orange.
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Hyperolius riggenbachi hieroglyphicus Ahl, 1931 - Dos présentant des motifs vermiculés de couleur jaune vif sur fond sombre ou, à l'inverse, motifs sombres sur fond jaune. Ventre orange vif ou rouge. Face externe des pattes antérieures et postérieures de couleur rouge brillante.
Étymologie
Cette espèce est nommée en l'honneur de Fritz Wilhelm Riggenbach (1864-1944)[5].
Publication originale
- Nieden, 1910 : Neue Reptilien und Amphibien aus Kamerun. Archiv für Naturgeschichte, Berlin, vol. 76, p. 234-246 (texte intégral).
Notes et références
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↑ a et b Amphibian Species of the World, consulté lors d'une mise à jour du lien externe
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↑ UICN, consulté lors d'une mise à jour du lien externe
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↑ AmphibiaWeb. University of California, Berkeley, CA, USA, consulté lors d'une mise à jour du lien externe
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↑ Schiøtz, 1999 : Treefrogs of Africa. Frankfurt am Main, Germany, Edition Chimaira, p. 1-350.
-
↑ Beolens, Watkins & Grayson, 2013 : The Eponym Dictionary of Amphibians. Pelagic Publishing Ltd, p. 1-262
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Hyperolius riggenbachi: Brief Summary
(
Francês
)
fornecido por wikipedia FR
Hyperolius riggenbachi est une espèce d'amphibiens de la famille des Hyperoliidae.
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Hyperolius riggenbachi
(
Vietnamita
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fornecido por wikipedia VI
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Hyperolius riggenbachi: Brief Summary
(
Vietnamita
)
fornecido por wikipedia VI
Hyperolius riggenbachi là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Cameroon và Nigeria. Môi trường sống tự nhiên của chúng là vùng núi ẩm nhiệt đới hoặc cận nhiệt đới, đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng đất cao, đầm nước, đầm nước ngọt, và đầm nước ngọt có nước theo mùa. Chúng hiện đang bị đe dọa vì mất môi trường sống.
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