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Description

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A rather large frog (Males to 37 mm, females to 43 mm) from highlands in eastern R. D. Congo. Dorsum warty, digital discs dilated, webbing reduced. No vocal sac and no vocal sac openings. Dorsum chocolate brown to almost black with numerous small orange or golden spots. Hidden parts of limbs yellow to orange, ventrum pink, mauve or bluish, whitish in juveniles. Iris brown.In view of the lack of vocal apparatus and the reduced hearing apparatus it is reasonable to assume that the males are mute. Nothing is known of amplexus, eggs, deposition site or tadpoles.By day, Callixalus is found in the broken stalks of bamboo from 2–4 m above ground in bamboo forests of the Itombwe plateau. On the Kabobo Mts. where bamboo is scarce it is found hiding during the day between the bark and the moss which often covers the trunks of trees.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.
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Distribution and Habitat

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Itombwe highlands of eastern R. D. Congo, Kabobo Mt. near Kalemie (Albertville) and mountains of western Rwanda. It has never been found below 2100 m and is rare below 2400 m.
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Callixalus pictus ( Catalan; Valencian )

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Callixalus pictus és una espècie d'amfibis de la família Hyperoliidae monotípica del gènere Callixalus. Habita a República Democràtica del Congo, Ruanda i possiblement Uganda. El seu hàbitat inclou montans secs. Està amenaçada d'extinció per la pèrdua del seu hàbitat.

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Callixalus pictus: Brief Summary ( Catalan; Valencian )

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Callixalus pictus és una espècie d'amfibis de la família Hyperoliidae monotípica del gènere Callixalus. Habita a República Democràtica del Congo, Ruanda i possiblement Uganda. El seu hàbitat inclou montans secs. Està amenaçada d'extinció per la pèrdua del seu hàbitat.

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Callixalus

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Callixalus is a genus frogs in the family Hyperoliidae.[2] It is monotypic, being represented by a single species, Callixalus pictus.[3][4] It is found in the eastern Democratic Republic of the Congo (including the Itombwe Mountains) and western Rwanda. It is sometimes known as the African painted frog.[2]

Description

Males grow to 37 mm (1.5 in) and females 43 mm (1.7 in) in snout–vent length. Dorsum is warty and chocolate brown to almost black and has many small orange or golden spots. There is no vocal sac; the males appear to be mute.[5]

Habitat and conservation

The natural habitats of Callixalus pictus are high-altitude forests, especially bamboo forests, above 2,100 m (6,900 ft) asl but more commonly only above 2,400 m (7,900 ft). During the day time they hide in broken bamboo stumps or between the bark and the moss covering tree trunks.[1][5]

Callixalus pictus is threatened by habitat loss caused by agriculture, livestock farming, wood extraction, and expanding human settlements.[1]

References

  1. ^ a b c IUCN SSC Amphibian Specialist Group (2013). "Callixalus pictus". IUCN Red List of Threatened Species. 2013: e.T56091A16937397. doi:10.2305/IUCN.UK.2013-2.RLTS.T56091A16937397.en. Retrieved 16 November 2021.
  2. ^ a b Frost, Darrel R. (2015). "Callixalus pictus Laurent, 1950". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 18 May 2015.
  3. ^ Frost, Darrel R. (2015). "Callixalus Laurent, 1950". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 18 May 2015.
  4. ^ "Hyperoliidae". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2015. Archived from the original on 26 April 2015. Retrieved 18 May 2015.
  5. ^ a b "Callixalus pictus". AmphibiaWeb: Information on amphibian biology and conservation. [web application]. Berkeley, California: AmphibiaWeb. 2015. Retrieved 18 May 2015.
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Callixalus: Brief Summary

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Callixalus is a genus frogs in the family Hyperoliidae. It is monotypic, being represented by a single species, Callixalus pictus. It is found in the eastern Democratic Republic of the Congo (including the Itombwe Mountains) and western Rwanda. It is sometimes known as the African painted frog.

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Callixalus pictus ( Spanish; Castilian )

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Callixalus pictus es una especie de anfibios de la familia Hyperoliidae. es monotípica del género Callixalus.

Habita en República Democrática del Congo y Ruanda.

Su hábitat natural incluye montanos secos.

Está amenazada de extinción por la pérdida de su hábitat natural.

Referencias

  • Frost, D.R. «Callixalus pictus ». Amphibian Species of the World: an Online Reference. Version 6.1. (en inglés). Nueva York, EEUU: Museo Americano de Historia Natural. Consultado el 3 de junio de 2015.

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Callixalus pictus: Brief Summary ( Spanish; Castilian )

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Callixalus pictus es una especie de anfibios de la familia Hyperoliidae. es monotípica del género Callixalus.

Habita en República Democrática del Congo y Ruanda.

Su hábitat natural incluye montanos secos.

Está amenazada de extinción por la pérdida de su hábitat natural.

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Callixalus pictus ( Basque )

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Callixalus pictus Callixalus generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

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Callixalus pictus: Brief Summary ( Basque )

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Callixalus pictus Callixalus generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

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Callixalus pictus ( French )

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Callixalus pictus, unique représentant du genre Callixalus, est une espèce d'amphibiens de la famille des Hyperoliidae[1].

Répartition

Cette espèce est endémique des hauts plateaux de l'Est de la République démocratique du Congo. Elle se rencontre au-dessus de 2 100 m d'altitude[2].

Publication originale

  • Laurent, 1950 : Diagnoses préliminaires de treize batraciens nouveaux d’Afrique centrale. Revue de Zoologie et de Botanique Africaine, vol. 44, p. 1–18.

Notes et références

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Callixalus pictus: Brief Summary ( French )

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Callixalus pictus, unique représentant du genre Callixalus, est une espèce d'amphibiens de la famille des Hyperoliidae.

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Callixalus pictus ( Dutch; Flemish )

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Herpetologie

Callixalus pictus is een kikker uit de familie rietkikkers (Hyperoliidae).[2] De soort werd voor het eerst wetenschappelijk beschreven door Raymond Ferdinand Laurent in 1950. Het is de enige soort uit het geslacht Callixalus.

Uiterlijke kenmerken

Mannetjes worden ongeveer 3,7 centimeter, vrouwtjes iets groter tot 4,3 cm. De kleur is bruin tot bijna zwart met vele kleine oranjerode vlekjes op de rug. De binnenzijde van de dijen zijn oranje van kleur, de buik is roze. Een keelzak ontbreekt, de zwemvliezen zijn niet volledig ontwikkeld.

Verspreiding en habitat

Callixalus pictus komt voor in delen van Afrika en leeft in de landen Congo-Kinshasa en Rwanda. De habitat bestaat uit beboste bergstreken. De kikker is alleen op een hoogte van meer dan 2100 meter boven zeeniveau gevonden en de meeste exemplaren leven boven de 2400 meter.[3]

Levenswijze

Overdag verstopt de kikker zich in bamboestokken van bamboebossen op enkele meters hoogte. Waar deze beplanting ontbreekt wordt overdag geschuild onder boomschors en mossen op boomstammen, 's nachts wordt de kikker actief en jaagt op kleine ongewervelden. Over de voortplanting is nog weinig bekend.

Referenties
  1. (en) Callixalus pictus op de IUCN Red List of Threatened Species.
  2. Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History, Callixalus pictus.
  3. University of California - AmphibiaWeb, Callixalus pictus.
Bronnen
  • (en) - Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History - Callixalus pictus - Website Geconsulteerd 5 januari 2017
  • (en) - University of California - AmphibiaWeb - Callixalus pictus - Website
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Callixalus pictus: Brief Summary ( Dutch; Flemish )

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Callixalus pictus is een kikker uit de familie rietkikkers (Hyperoliidae). De soort werd voor het eerst wetenschappelijk beschreven door Raymond Ferdinand Laurent in 1950. Het is de enige soort uit het geslacht Callixalus.

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Callixalus pictus ( Vietnamese )

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Callixalus pictus là một loài ếch thuộc họ Hyperoliidae. Nó là đại diện duy nhất của chi Callixalus. Loài này có ở Cộng hòa Dân chủ Congo, Rwanda, và có thể cả Uganda.

Môi trường sống tự nhiên của chúng là vùng núi ẩm nhiệt đới hoặc cận nhiệt đới. Chúng hiện đang bị đe dọa vì mất môi trường sống.

Chú thích

Tham khảo


Hình tượng sơ khai Bài viết Hyperoliidae này vẫn còn sơ khai. Bạn có thể giúp Wikipedia bằng cách mở rộng nội dung để bài được hoàn chỉnh hơn.


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Callixalus pictus: Brief Summary ( Vietnamese )

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Callixalus pictus là một loài ếch thuộc họ Hyperoliidae. Nó là đại diện duy nhất của chi Callixalus. Loài này có ở Cộng hòa Dân chủ Congo, Rwanda, và có thể cả Uganda.

Môi trường sống tự nhiên của chúng là vùng núi ẩm nhiệt đới hoặc cận nhiệt đới. Chúng hiện đang bị đe dọa vì mất môi trường sống.

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