Brachycephalus pernix

Brachycephalus pernix
B. pernix no P.E. Serra do Mar
Classificação científica edit
Domínio: Eukaryota
Reino: Animalia
Filo: Chordata
Classe: Amphibia
Ordem: Anura
Família: Brachycephalidae
Gênero: Brachycephalus
Espécies:
B. pernix
Nome binomial
Brachycephalus pernix
Pombal, Wistuba & Bornschein, 1998

Brachycephalus pernix ou Sapinho-de-colete, Sapinho-dourado, Sapinho-pingo-de-ouro-sardento, é uma espécie de anfíbio da família Brachycephalidae.

Distribuição

É endêmica do Brasil.

Os seus habitats naturais são: solo e serrapilheira de regiões subtropicais ou tropicais úmidas de alta altitude. Esta espécie é conhecida apenas da localidade-tipo, Morro do Anhangava, na Serra da Baitaca, e de Morretes, ambas no Paraná, na Mata Atlântica a 450 m de altitude.[2]

Descrição

B. pernix tem comprimento do focinho à cloaca de 12–13,3 mm em machos adultos e 14,1–15,8 mm em fêmeas adultas. Em geral, é laranja brilhante com uma quantidade variável de manchas pretas ou pontilhado acima, variando de pouco em alguns indivíduos (principalmente laranja acima) a muito em outros (extensivamente preto acima com laranja puro essencialmente restrito ao topo da cabeça e meio das costas).[3]

O padrão brilhante é considerado uma cor de alerta, pois sua pele e órgãos contêm tetrodotoxina e toxinas semelhantes.[4]

Conservação

A destruição do habitat é a principal ameaça a esta espécie.

A Mata Atlântica no sudeste do Brasil sofreu extensa destruição e degradação devido à exploração madeireira e desmatamento contínuo em larga escala para pastagem de gado e culturas como cana-de-açúcar, café e árvores exóticas, assim como para a agricultura familiar.

Em certas localidades, o turismo excessivo também pode estar afetando as populações, pois os visitantes atropelam o habitat.[2]

O ICMBio classifica essa espécie como Criticamente em Perigo (CR) pelos critérios B1ab(iii)+2ab(iii).[5]

Referências

  1. ↑ Débora Silvano, Paulo Garcia, Magno Vicente Segalla (2004). «Brachycephalus pernix». Lista Vermelha de Espécies Ameaçadas. 2004: e.T54455A11149530. doi:10.2305/IUCN.UK.2004.RLTS.T54455A11149530.enAcessível livremente. Consultado em 17 de novembro de 2021 
  2. ↑ a b (em inglês) Silvano, D., Garcia, P. & Segalla, M.V. 2004. toad%20pernix Brachycephalus pernix. 2006 IUCN Red List of Threatened Species. Dados de 23 de Julho de 2007.
  3. ↑ Pombal, Jose P.; Wistuba, Eloisa M.; Bornschein, Marcos R. (março de 1998). «A New Species of Brachycephalid (Anura) from the Atlantic Rain Forest of Brazil». Journal of Herpetology (1). 70 páginas. doi:10.2307/1565481. Consultado em 9 de maio de 2023 
  4. ↑ Pires, Osmindo R.; Sebben, Antonio; Schwartz, Elisabeth F.; Morales, Rodrigo A. V.; Bloch, Carlos; Schwartz, Carlos A. (1 de janeiro de 2005). «Further report of the occurrence of tetrodotoxin and new analogues in the Anuran family Brachycephalidae». Toxicon (em inglês) (1): 73–79. ISSN 0041-0101. doi:10.1016/j.toxicon.2004.09.016. Consultado em 9 de maio de 2023 
  5. ↑ Bastos, R.P.; Martins, M.R.; Guidorizzi, C.E.; Andrade, S.P.; Bataus, Y.S.L.; Guimarães Júnior, R.V.; Andrade, G.V.; Ávila, R.W.; Colombo, P. «Ficha de Brachycephalus pernix». 15771 páginas. doi:10.37002/salve.ficha.15771 - acesso em: 03 de nov. de 2023. Verifique |doi= (ajuda). Consultado em 3 de novembro de 2023 
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