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Description

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Female: 22-28 mm, Male: 18-22 mm. Dorsum uniformly black without blotches. Belly black with red and/or yellow blotches. Interdigital web poorly developed. Throat dark. Sexual dimorphism is not evident. This species could be easily confused with Melanophryniscus montevidensis.

References

  • Achaval, F., and Olmos, A. (2003). Anfibios y reptiles del Uruguay Ed. Graphis. Serie Fauna N°, Montevideo, Uruguay.
  • Klappenbach, M. A., and Langone, J. A. (1992). ''Lista sistemática y sinonímica de los anfibios del Uruguay con comentarios y notas sobre su distribución.'' Anales del Museo Nacional de Historia Natural de Montevideo (2a Serie), 8, 163-222.
  • Kwet, A., Maneyro, R., Zillikens, A., and Mebs, D. (2005). ''Advertisement calls of Melanophryniscus dorsalis (Mertens, 1933) and M. montevidensis (Philippi, 1902), two parapatric species from southern Brazil and Uruguay, with comments on morphological variation in the Melanophryniscus stelzneri group (Anura: Bufonidae).'' Salamandra, 41(1/2), 1-18.
  • Kwet, A., and Miranda, T. (2001). ''Zur Biologie und Taxonomie der Swarzkrote Melanophryniscus atroluteus (Miranda-Ribeiro, 1920).'' Herpetofauna, 23, 19-27.
  • Langone, J. A. (1994). Ranas y sapos del Uruguay (reconocimientos y aspectos biológicos). Museo Damaso Antonio Larrañaga 5, Serie de Divulgación
  • Maneyro, R., Forni, F., and Santos, M. (1995). Anfibios del Departamento de Rocha. Serie Divulgación Técnica 1 (PROBIDES), Rocha, Uruguay.
  • Maneyro, R., and Langone, J. A. (2001). ''Categorización de los anfibios del Uruguay.'' Cuadernos de Herpetología, 15(2), 107-118.
  • Miranda-Ribeiro, A. (1920). ''Os Brachycephalideos do Museu Paulista (com tres especies novas).'' Revista do Museu Paulista, 12, 305-313.
  • Núñez, D., Maneyro, R., Langone, J. A. and De Sá, R. O. (2004). ''Distribución geográfica de la fauna de anfibios del Uruguay.'' Smithsonian Herpetological Information Series, 134, 1-34.

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Distribution and Habitat

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This species inhabits grasslands, open savannas and some areas with rocky soils. Widespread in Pampas grasslands (South America).
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Life History, Abundance, Activity, and Special Behaviors

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M. atroluteus is a common species in Uruguay in habitats with extensive cattle raising. Intensive livestock could affect reproductive habitat quality (i.e. hard soils - compactation).
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Life History, Abundance, Activity, and Special Behaviors

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These diurnal toads are active throughout the year and they are explosive breeders. They reproduce in temporary ponds, following heavy rains. The advertisements calls have two components: a repeated whistle, followed by a train of vibrations. During amplexus females release about one hundred eggs in several immersion events. This species exhibits a defensive behaviour ("Unkenreflex").
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Distribution ( Spanish; Castilian )

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Presente en Argentina en las provincias de Corrientes y Misiones; en Brasil en el estado de Rio Grande do Sul; en Paraguay en el departamento de Itapúa, y en Uruguay en los departamentos de Artigas, Cerro Largo, Lavalleja, Paysandú, Rivera, Salto Tacuarembó y Treinta y Tres
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Brief Summary ( Spanish; Castilian )

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Especie pequeña del género Melanophryniscus con coloración dorsal negra sin manchas
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Diagnostic Description ( Spanish; Castilian )

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Morfología del adulto Machos de 18 a 21 mm. Hembras de 22 a 25 mm. La cabeza es más ancha que larga. El hocico es corto y redondeado. El diámetro del ojo es igual a la distancia ojo-narina. El tubérculo metacarpal interno es alargado y menor que el externo que e; redondeado. Los metatarsales son salientes, redondeados y de igual tamaño. Los dedos, tanto de los miembros anteriores como posteriores poseer: borde dentado y membranas interdigitales poco desarrolladas. La piel del dorso posee diversos gránulos con pequeñas espinas córneas opalescentes. Coloración general del cuerpo negro azabache, generalmente sin manchas amarillas en el dorso. Los miembros anteriores poseen una línea amarilla en su borde posterior. Ventralmente con pequeñas manchas amarillas y rojas, destacándose una en forma triangular en la cara ventral del muslo y parte del abdomen. Las palmas y plantas son rojas.
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Conservation Status ( Spanish; Castilian )

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LC. Least Concern.
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Melanophryniscus atroluteus ( Catalan; Valencian )

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Melanophryniscus atroluteus és una espècie d'amfibi que viu a l'Argentina, Brasil, Paraguai i Uruguai.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

Referències

 src= A Wikimedia Commons hi ha contingut multimèdia relatiu a: Melanophryniscus atroluteus Modifica l'enllaç a Wikidata


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Melanophryniscus atroluteus: Brief Summary ( Catalan; Valencian )

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Melanophryniscus atroluteus és una espècie d'amfibi que viu a l'Argentina, Brasil, Paraguai i Uruguai.

Es troba amenaçada d'extinció per la pèrdua del seu hàbitat natural.

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Melanophryniscus atroluteus

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Melanophryniscus atroluteus is a species of toad in the family Bufonidae. It is found in northeastern Argentina, Uruguay, southern Paraguay, and southern Brazil (Rio Grande do Sul, presumably also Santa Catarina).[1][2] While in the past it was considered a subspecies of Melanophryniscus stelzneri, it might rather be conspecific with Melanophryniscus montevidensis.[2] Common name Uruguay redbelly toad (also spelled Uruguay red belly toad) has been coined for it.[1][2]

Description

Males can reach 25 mm (1.0 in) and females 29 mm (1.1 in) in snout–vent length,[3] although reported lengths are commonly slightly smaller.[3][4] Skin is strongly granular.[3] The dorsum is uniformly black, without blotches, while the belly is black and has red and/or yellow blotches. The throat is dark. Webbing is poorly developed.[4]

Behavior

When threatened, this species exhibits the Unkenreflex behavior.[4]

Habitat and conservation

Melanophryniscus atroluteus occurs in grasslands at elevations up to 1,200 m (3,900 ft). Breeding is explosive and takes place in temporary pools and agricultural ditches.[1]

In parts of its range (Argentina and Uruguay,), M. atroluteus is abundant during the breeding, but it is rare or uncommon elsewhere. It can occur in substantially disturbed habitats, but not in areas with intensive cattle activities. It is threatened by pine and Eucalyptus plantations and by drainage of wetlands. Pet trade might also become a threat. It does not appear to occur in any larger protected areas.[1]

References

  1. ^ a b c d e Axel Kwet, Lucy Aquino, Jose Langone, Diego Baldo, Raúl Maneyro (2010). "Melanophryniscus atroluteus". IUCN Red List of Threatened Species. 2010: e.T54816A11207899. doi:10.2305/IUCN.UK.2010-2.RLTS.T54816A11207899.en. Retrieved 15 November 2021.{{cite journal}}: CS1 maint: multiple names: authors list (link)
  2. ^ a b c d Frost, Darrel R. (2019). "Melanophryniscus atroluteus (Miranda-Ribeiro, 1920)". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 10 July 2019.
  3. ^ a b c Kwet, A. & Miranda, T. (2001). "Zur Biologie und Taxonomie der Schwartz-kröte Melanophryniscus atroluteus (Miranda-Ribeiro, 1920)". Herpetofauna (in German). 23: 19–27.
  4. ^ a b c "Melanophryniscus atroluteus". AmphibiaWeb. University of California, Berkeley. 2006. Retrieved 10 July 2019.
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Melanophryniscus atroluteus: Brief Summary

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Melanophryniscus atroluteus is a species of toad in the family Bufonidae. It is found in northeastern Argentina, Uruguay, southern Paraguay, and southern Brazil (Rio Grande do Sul, presumably also Santa Catarina). While in the past it was considered a subspecies of Melanophryniscus stelzneri, it might rather be conspecific with Melanophryniscus montevidensis. Common name Uruguay redbelly toad (also spelled Uruguay red belly toad) has been coined for it.

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Melanophryniscus atroluteus ( Spanish; Castilian )

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Melanophryniscus atroluteus es una especie de anfibios de la familia Bufonidae. Se encuentra en Argentina, Brasil, Paraguay y Uruguay. Su hábitat natural incluye praderas inundadas en algunas estaciones y a baja altitud, marismas intermitentes de agua dulce, tierra arable, zonas de pastos, canales y diques.

Referencias

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Melanophryniscus atroluteus: Brief Summary ( Spanish; Castilian )

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Melanophryniscus atroluteus es una especie de anfibios de la familia Bufonidae. Se encuentra en Argentina, Brasil, Paraguay y Uruguay. Su hábitat natural incluye praderas inundadas en algunas estaciones y a baja altitud, marismas intermitentes de agua dulce, tierra arable, zonas de pastos, canales y diques.

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Melanophryniscus atroluteus ( Basque )

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Melanophryniscus atroluteus Melanophryniscus generoko animalia da. Anfibioen barruko Bufonidae familian sailkatuta dago, Anura ordenan.

Erreferentziak

Ikus, gainera

(RLQ=window.RLQ||[]).push(function(){mw.log.warn("Gadget "ErrefAurrebista" was not loaded. Please migrate it to use ResourceLoader. See u003Chttps://eu.wikipedia.org/wiki/Berezi:Gadgetaku003E.");});
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Melanophryniscus atroluteus: Brief Summary ( Basque )

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Melanophryniscus atroluteus Melanophryniscus generoko animalia da. Anfibioen barruko Bufonidae familian sailkatuta dago, Anura ordenan.

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Melanophryniscus atroluteus ( French )

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Melanophryniscus atroluteus est une espèce d'amphibiens de la famille des Bufonidae[1].

Répartition

Cette espèce se rencontre jusqu'à 1 200 m d'altitude[1] :

Description

 src=
Melanophryniscus atroluteus

Les mâles mesurent de 18 à 22 mm et les femelles de 22 à 28 mm[2].

Publication originale

  • Miranda-Ribeiro, 1920 : Os brachycephalideos do Museu Paulista (com tres especies novas). Revista do Museu Paulista, vol. 12, p. 307-315 (texte intégral).

Notes et références

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Melanophryniscus atroluteus: Brief Summary ( French )

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Melanophryniscus atroluteus est une espèce d'amphibiens de la famille des Bufonidae.

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Melanophryniscus atroluteus ( Polish )

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Melanophryniscus atroluteusgatunek płaza bezogonowego z rodziny ropuchowatych.

W przeszłości uznawano go za podgatunek Melanophryniscus stelzneri atroluteus. Za gatunek uznali go w 1992 Klappenbach i Langone[1].

Budowa

Ani morfologia, ani wydawane dźwięki nie pozwalają na rozróżnienie Melanophryniscus alipioi i Melanophryniscus stelzneri[1].

Cykl życiowy

Zalicza się do eplosive breeders. Rozmnaża się intensywnie w nietrwałych zbiornikach, także w rowach[1].

Rozmieszczenie geograficzne

Zasięg występowania gatunku jest następujący: Argentyna (prowincje Corrientes, Misiones, Santa Fé i Entre Rios), Brazylia (Rio Grande do Sul), Paragwaj (południe kraju), Urugwaj (Artigas, Cerro Largo, Paysandú, Rocha, Salto, Tacuarambó, Treinta y Tres)[1].

Ekologia

Żyje na wysokości od 0 do 1200 m nad poziomem morza[1].

Jego siedlisko to tereny trawiaste[1].

Radzi sobie w środowiskach zmienionych przez człowieka, o ile nie ma na nich miejsca intensywny wypas bydła[1].

Zagrożenia i ochrona

Zwierzę spotyka się często w trakcie sezonu rozrodczego w Urugwaju i Argentynie. W Brazylii nie należy do gatunku często spotykanych, ale jego trend nie obniża się, podczas gdy w Paragwaju stanowi on rzadkość[1].

Międzynarodowa Unia Ochrony Przyrody przyznała w 2004 gatunkowi status gatunku najmniejszej troski (LC – Least Concern). Z zagrożeń wymienia plantacje sosny i eukaliptusa we wszystkich krajach jego występowania prócz Paragwaju. Zagrozić mu w przyszłości może odłów w celu trzymania w domach[1].

Zamieszkuje niewielki, niekiedy prywatne rejony chronione w Argentynie[1].

Przypisy

  1. a b c d e f g h i j k Melanophryniscus atroluteus. Czerwona księga gatunków zagrożonych (IUCN Red List of Threatened Species) (ang.).
p d e
Rodziny płazów bezogonowych
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Melanophryniscus atroluteus: Brief Summary ( Polish )

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Melanophryniscus atroluteus – gatunek płaza bezogonowego z rodziny ropuchowatych.

W przeszłości uznawano go za podgatunek Melanophryniscus stelzneri atroluteus. Za gatunek uznali go w 1992 Klappenbach i Langone.

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Melanophryniscus atroluteus ( Portuguese )

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Melanophryniscus atroluteus é uma espécie de anfíbio da família Bufonidae. Pode ser encontrada na Argentina, Uruguai, Paraguai e Brasil.[2]

Referências

  1. Frost, D.R. (2014). «Melanophryniscus atroluteus». Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History, New York, USA. Consultado em 9 de outubro de 2014
  2. a b Kwet, A.; Aquino, L.; Langone, J.; Baldo, D.; Maneyro, R. (2010). Melanophryniscus atroluteus (em inglês). IUCN 2014. Lista Vermelha de Espécies Ameaçadas da IUCN de 2014 . Página visitada em 9 de outubro de 2014..
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Melanophryniscus atroluteus: Brief Summary ( Portuguese )

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Melanophryniscus atroluteus é uma espécie de anfíbio da família Bufonidae. Pode ser encontrada na Argentina, Uruguai, Paraguai e Brasil.

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Melanophryniscus atroluteus ( Vietnamese )

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Melanophryniscus atroluteus là một loài cóc thuộc họ Bufonidae. Loài này có ở Argentina, Brasil, Paraguay, và Uruguay. Môi trường sống tự nhiên của chúng là đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng ngập nước hoặc lụt theo mùa, đầm nước ngọt có nước theo mùa, đất canh tác, vùng đồng cỏ, và kênh đào và mương rãnh. Chúng hiện đang bị đe dọa vì mất nơi sống.

Hình ảnh

Tham khảo

Liên kết ngoài

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Melanophryniscus atroluteus: Brief Summary ( Vietnamese )

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Melanophryniscus atroluteus là một loài cóc thuộc họ Bufonidae. Loài này có ở Argentina, Brasil, Paraguay, và Uruguay. Môi trường sống tự nhiên của chúng là đồng cỏ nhiệt đới hoặc cận nhiệt đới vùng ngập nước hoặc lụt theo mùa, đầm nước ngọt có nước theo mùa, đất canh tác, vùng đồng cỏ, và kênh đào và mương rãnh. Chúng hiện đang bị đe dọa vì mất nơi sống.

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Melanophryniscus atroluteus ( Russian )

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Научная классификация
промежуточные ранги
Домен: Эукариоты
Царство: Животные
Подцарство: Эуметазои
Без ранга: Вторичноротые
Подтип: Позвоночные
Инфратип: Челюстноротые
Надкласс: Четвероногие
Подкласс: Беспанцирные
Инфракласс: Batrachia
Надотряд: Прыгающие
Отряд: Бесхвостые
Подотряд: Neobatrachia
Надсемейство: Hyloidea
Семейство: Жабы
Вид: Melanophryniscus atroluteus
Международное научное название

Melanophryniscus atroluteus (Miranda-Ribeiro, 1920)

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ITIS 661900EOL 1018747

Melanophryniscus atroluteus — вид земноводных из семейства Bufonidae. Обитает в Аргентине, Бразилии, Парагвае и Уругвае. Его естественные среды обитания — субтропические или тропические сезонные влажные или затопленные низинные луга, мозаичные пресноводные болота, пахотные земли, пастбища, каналы и канавы. Виду угрожает утрата среды обитания[1].

Примечания

  1. Kwet, A., Aquino, L., Langone, J. & Baldo, D. 2004. Melanophryniscus atroluteus. 2006 IUCN Red List of Threatened Species. Downloaded on 21 July 2007.
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Melanophryniscus atroluteus: Brief Summary ( Russian )

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Melanophryniscus atroluteus — вид земноводных из семейства Bufonidae. Обитает в Аргентине, Бразилии, Парагвае и Уругвае. Его естественные среды обитания — субтропические или тропические сезонные влажные или затопленные низинные луга, мозаичные пресноводные болота, пахотные земли, пастбища, каналы и канавы. Виду угрожает утрата среды обитания.

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