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Plancia ëd Afrixalus dorsalis (Peters 1875)
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Afrixalus dorsalis (Peters 1875)

Description ( Anglèis )

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A medium-sized Afrixalus (males 25–28 mm, females 26–29 mm) from bushland localities in West Africa and the coastal regions of Cameroun to coastal Angola. Dorsum dark with a pattern in silverish white, normally consisting of a triangle on top of the snout continuing into a broad dorsolateral stripe to the groin. A light spot in the lumbar region, sometimes confluent with the dorsolateral stripes, and two light spots on tibia, or tibia uniformly light.Although normally constant in pattern, individuals in some populations can vary considerably, e.g. having a light middorsal stripe or even a uniform light dorsum.Two very similar subspecies are recognised. They are:A.d. dorsalis from Sierra Leone to southern Cameroun. Tibia with two light spots. A. d. regularis Laurent 1951 or A. d. leptosomus (Peters 1877) with a light upper side of tibia. Rio Muni to coastal Angola. It is disputed whether the name leptosomus is rather applicable to a member of the fulvovittatus group.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. Updated by A. Schiøtz, 2008.
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Distribution and Habitat ( Anglèis )

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Afrixalus dorsalis is widely distributed and common in bushland localities in the West African forest belt and in forest outliers in the humid savanna. The farthest west I have found it is in eastern Sierra Leone, while apparently suitable localities further west had populations of A. fulvovittatus instead. Towards the east it is recorded commonly from coastal Cameroun to coastal Angola.
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Life History, Abundance, Activity, and Special Behaviors ( Anglèis )

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The voice consists of an initial sound followed by a number of figures, about 12 per second with a frequency-intensity maximum at 3800–4100 cps. The eggs are white, surrounded by clear jelly. They are deposited in small clumps on leaves which are then folded and glued together. The tadpoles are streamlined with a terminal mouth and a tooth formula of 0/1.
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Afrixalus dorsalis ( Catalan; Valensian )

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Afrixalus dorsalis és una espècie de granota que viu a Angola, Camerun, República del Congo, República Democràtica del Congo, Costa d'Ivori, Guinea Equatorial, Gabon, Ghana, Guinea, Libèria, Nigèria, Sierra Leona i, possiblement també, a Togo.

Referències

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Afrixalus dorsalis: Brief Summary ( Catalan; Valensian )

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Brown banana frog ( Anglèis )

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The brown banana frog (Afrixalus dorsalis), also known as the striped spiny reed frog, is an anuran in the family Hyperoliidae.[2]

Description

These frogs have a light to dark brown with a silverish white pattern. These patterns can include a triangle on the tip of the snout, a big stripe leading to the groin, a light spot in the lumbar region, and/or 2 light spots on the tibia.

Distribution and habitat

It is found in Angola, Cameroon, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, and possibly Togo.

Its natural habitats are subtropical or tropical moist lowland forests, subtropical or tropical moist shrubland, subtropical or tropical seasonally wet or flooded lowland grassland, freshwater marshes, intermittent freshwater marshes, rural gardens, heavily degraded former forest, ponds, seasonally flooded agricultural land, and canals and ditches.

Conservation

All anurans of the region are under pressure from habitat destruction and the expanding human population; moreover, an extended period of warfare and instability in Angola has hindered regional conservation efforts. However, this species may be one of the few beneficiaries of widespread deforestation, since it thrives in grasslands and degraded former forests.

A high prevalence of Batrachochytrium, the fungus causing chytridiomycosis that has been associated with amphibian declines elsewhere, has been demonstrated in specimens collected from the Okomu National Park in Nigeria.[3]

Lifespan

This frog's lifespan is unknown.

References

  1. ^ IUCN SSC Amphibian Specialist Group (2013). "Afrixalus dorsalis". IUCN Red List of Threatened Species. 2013: e.T56060A18369144. doi:10.2305/IUCN.UK.2013-2.RLTS.T56060A18369144.en. Retrieved 16 November 2021.
  2. ^ Frost, Darrel R. (2016). "Afrixalus dorsalis (Peters, 1875)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 6 August 2016.
  3. ^ Imasuen, AA; Aisen, MSO; Weldon, C; Dalton, DL; Kotze. A; Du Preez, LH (2011). "Occurrence of Batrachochytrium dendrobatidis in Amphibian Populations of Okomu National Park, Nigeria" (PDF). Herpetological Review. 42 (3): 379–382. Archived from the original (PDF) on 2016-10-06. Retrieved 2016-08-07.
  • C. Michael Hogan. 2013. Afrixalus dorsalis. African Amphibians Lifedesk. ed. B.Zimkus
  • World Wildlife Fund & C. M. Hogan. 2007. Angolan Miombo woodlands. Encyclopedia of Earth, National Council for Science and the Environment, Washington DC, ed. M.McGinley.
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Brown banana frog: Brief Summary ( Anglèis )

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The brown banana frog (Afrixalus dorsalis), also known as the striped spiny reed frog, is an anuran in the family Hyperoliidae.

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Afrixalus dorsalis ( Spagneul; Castilian )

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Afrixalus dorsalis es una especie de anfibios de la familia Hyperoliidae.[1]

Habita en Angola, Camerún, República del Congo, República Democrática del Congo, Costa de Marfil, Guinea Ecuatorial, Gabón, Ghana, Guinea, Liberia, Nigeria, Sierra Leona y posiblemente Togo.

Su hábitat natural incluye bosques tropicales o subtropicales secos y a baja altitud, zonas secas de arbustos, praderas húmedas o inundadas en algunas estaciones, marismas de agua dulce, corrientes intermitentes de agua dulce, jardines rurales, zonas previamente boscosas ahora degradadas, estanques, tierras de agricultura parcial o temporalmente inundadas y canales y diques.

Referencias

  1. Frost, D.R. « Afrixalus dorsalis ». Amphibian Species of the World: an Online Reference. Version 6.1. (en inglés). Nueva York, EEUU: Museo Americano de Historia Natural.

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Afrixalus dorsalis: Brief Summary ( Spagneul; Castilian )

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Afrixalus dorsalis es una especie de anfibios de la familia Hyperoliidae.​

Habita en Angola, Camerún, República del Congo, República Democrática del Congo, Costa de Marfil, Guinea Ecuatorial, Gabón, Ghana, Guinea, Liberia, Nigeria, Sierra Leona y posiblemente Togo.

Su hábitat natural incluye bosques tropicales o subtropicales secos y a baja altitud, zonas secas de arbustos, praderas húmedas o inundadas en algunas estaciones, marismas de agua dulce, corrientes intermitentes de agua dulce, jardines rurales, zonas previamente boscosas ahora degradadas, estanques, tierras de agricultura parcial o temporalmente inundadas y canales y diques.

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Afrixalus dorsalis ( Basch )

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Afrixalus dorsalis Afrixalus generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

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Afrixalus dorsalis: Brief Summary ( Basch )

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Afrixalus dorsalis Afrixalus generoko animalia da. Anfibioen barruko Hyperoliidae familian sailkatuta dago, Anura ordenan.

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Afrixalus dorsalis ( Fransèis )

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Afrixalus dorsalis est une espèce d'amphibiens de la famille des Hyperoliidae[1].

Répartition

Cette espèce est endémique du centre-Est de l'Afrique. Elle se rencontre en trois populations distinctes[2] :

Galerie

Publication originale

  • Peters, 1875 : Über die von Herrn Professor Dr. R. Buchholz in Westafrika gesammelten Amphibien. Monatsberichte der Königlich preussischen Akademie der Wissenschaften zu Berlin, vol. 1875, p. 196-212 (texte intégral).

Notes et références

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Afrixalus dorsalis: Brief Summary ( Fransèis )

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Afrixalus dorsalis est une espèce d'amphibiens de la famille des Hyperoliidae.

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Afrixalus dorsalis ( olandèis; flamand )

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Herpetologie

Afrixalus dorsalis is een kleine kikker uit de familie rietkikkers (Hyperoliidae).[2] De soort werd voor het eerst wetenschappelijk beschreven door Wilhelm Peters in 1875. Oorspronkelijk werd de wetenschappelijke naam Hyperolius dorsalis gebruikt.

Uiterlijke kenmerken

De kleur van deze kikker is meestal bruin, soms met een iets groenige tint. De lengte is ongeveer 2,5 centimeter; vrouwtjes worden iets groter tot ongeveer 3 cm. Aan weerszijden van het midden van de rug loopt een brede, lichtere lengtestreep of vlekkenrij en ook de bovenzijde van de dijen is lichter. De ogen zijn opvallend groot en hebben een goudgele kleur met een donkere rand. De onderzijde van de keel en de buik zijn wit, en de achterpoten zijn goed ontwikkeld en hiermee kunnen relatief grote sprongen worden gemaakt voor een kikkertje van nog geen drie centimeter. Er zijn vijf ondersoorten die uiterlijk allemaal iets verschillen.

Voorkomen en voedsel

Afrixalus dorsalis komt voor in de noordwestelijke 'uitstulping' van Afrika, en alleen in het zuiden in de landen Angola, Congo-Brazzaville, Congo-Kinshasa, Equatoriaal-Guinea, Gabon, Kameroen, Nigeria, Togo, Ghana, Ivoorkust Liberia, Sierra Leone en Guinee.[3] Het voedsel bestaat uit kleine insecten waarop 's nachts wordt gejaagd; overdag verstopt de kikker zich in een boom of struik.

Algemeen

Net zoals de verwante soort Afrixalus uluguruensis schuwt deze soort door de mens aangepaste biotopen niet. Afrixalus dorsalis houdt van zowel hoge bomen als een open vegetatiestructuur, dus bananenplantages zijn ideaal voor deze soort die er plaatselijk massaal te vinden is. Soms worden enkele exemplaren per ongeluk nog weleens mee verscheept, maar er zijn nog geen overzeese populaties ontdekt. Dit in tegenstelling tot de gevaarlijke 'bananenspinnen' (oa Phoneutria) die weleens in het Rotterdamse havengebied zijn aangetroffen na te zijn meegelift.

Referenties
  1. (en) Afrixalus dorsalis 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, Afrixalus dorsalis.
  3. University of California - AmphibiaWeb, Afrixalus dorsalis.
Bronnen
  • (en) - Darrel R. Frost - Amphibian Species of the World: an online reference - Version 6.0 - American Museum of Natural History - Afrixalus dorsalis - Website Geconsulteerd 6 januari 2017
  • (en) - University of California - AmphibiaWeb - Afrixalus dorsalis - Website
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Afrixalus dorsalis: Brief Summary ( olandèis; flamand )

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Afrixalus dorsalis is een kleine kikker uit de familie rietkikkers (Hyperoliidae). De soort werd voor het eerst wetenschappelijk beschreven door Wilhelm Peters in 1875. Oorspronkelijk werd de wetenschappelijke naam Hyperolius dorsalis gebruikt.

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Afrixalus dorsalis ( portughèis )

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Afrixalus dorsalis é uma espécie de anfíbio da família Hyperoliidae que pode ser encontrada na costa ocidental da África, em países como o Togo, Serra Leoa e República Democrática do Congo. Devido a sua alta adaptabilidade, habita locais com várias vegetações diferentes, como plantações, campos, florestas de galeria e florestas degradadas. Porém não é encontrada em locais sem cobertura vegetal ou florestas primárias. Seus ovos são depositados em folhas dobradas sobre corpos d'água, e quando há a eclosão, os girinos caem e terminam sua metamorfose no corpo d'água.[1]

Referências

  1. «Afrixalus dorsalis (Brown Banana Frog, Cameroon Banana Frog, Striped Spiny Reed Frog)» (em inglês). IUCN Red List. Consultado em 26 de junho de 2018
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Afrixalus dorsalis: Brief Summary ( portughèis )

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Afrixalus dorsalis é uma espécie de anfíbio da família Hyperoliidae que pode ser encontrada na costa ocidental da África, em países como o Togo, Serra Leoa e República Democrática do Congo. Devido a sua alta adaptabilidade, habita locais com várias vegetações diferentes, como plantações, campos, florestas de galeria e florestas degradadas. Porém não é encontrada em locais sem cobertura vegetal ou florestas primárias. Seus ovos são depositados em folhas dobradas sobre corpos d'água, e quando há a eclosão, os girinos caem e terminam sua metamorfose no corpo d'água.

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Afrixalus dorsalis ( vietnamèis )

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The Brown Banana Frog (Afrixalus dorsalis) là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Angola, Cameroon, Cộng hòa Congo, Cộng hòa Dân chủ Congo, Bờ Biển Ngà, Guinea Xích Đạo, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, và có thể cả Togo. Môi trường sống tự nhiên của chúng là rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, vùng cây bụi ẩm khu vực nhiệt đới hoặc cận nhiệt đới, đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng ngập nước hoặc lụt theo mùa, đầm nước ngọt, đầm nước ngọt có nước theo mùa, vườn nông thôn, rừng trước đây suy thoái nghiêm trọng, ao, đất nông nghiệp có lụt theo mùa, và kênh đào và mương rãnh.

Hình ảnh

Tham khảo

Liên kết ngoài

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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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Afrixalus dorsalis: Brief Summary ( vietnamèis )

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The Brown Banana Frog (Afrixalus dorsalis) là một loài ếch thuộc họ Hyperoliidae. Loài này có ở Angola, Cameroon, Cộng hòa Congo, Cộng hòa Dân chủ Congo, Bờ Biển Ngà, Guinea Xích Đạo, Gabon, Ghana, Guinea, Liberia, Nigeria, Sierra Leone, và có thể cả Togo. Môi trường sống tự nhiên của chúng là rừng ẩm vùng đất thấp nhiệt đới hoặc cận nhiệt đới, vùng cây bụi ẩm khu vực nhiệt đới hoặc cận nhiệt đới, đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng ngập nước hoặc lụt theo mùa, đầm nước ngọt, đầm nước ngọt có nước theo mùa, vườn nông thôn, rừng trước đây suy thoái nghiêm trọng, ao, đất nông nghiệp có lụt theo mùa, và kênh đào và mương rãnh.

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