Morphological and molecular characterization of Contracaecum australe (Nematoda: Anisakidae) parasitizing Phalacrocorax brasilianus (Aves: Phalacrocoracidae) on the north coast of Brazil / Caracterização morfológica e molecular de Contracaecum australe (Nematoda: Anisakidae) parasitando Phalacrocorax brasilianus (Aves: Phalacrocoracidae) no litoral norte do Brasil
Santana, Ricardo Luis Sousa; Carvalho, Elaine Lopes de; Sindeaux Neto, José Ledamir; Silva, Michele Velasco Oliveira da; Pinheiro, Raul Henrique da Silva; Gonçalves, Evonnildo Costa; Giese, Elane Guerreiro.
Rev. bras. parasitol. vet
; 32(2): e003723, 2023. ilus, tab
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| VETINDEX | ID: biblio-1444745
For the first time in Brazil, Contracaecum australe is recorded parasitizing Phalacrocorax brasilianus (Aves, Suliformes, Phalacrocoracidae) from the Marine Extractive Reserve of Soure on Marajó Island, Brazilian Amazon. Its morphology revealed a body with a transversally striated cuticle, smooth or slightly cleft interlabia, lips with auricles, labial papillae, and conspicuous amphids. In males, the presence of the median papilla on the upper lip of the cloaca and spicules that reach almost half of the body of the parasite. These morphological characters, added to the number and distribution of the pre- and postcloacal papillae of the male specimens, and supported by the molecular phylogeny from the analysis of the ITS-1, 5.8S and ITS-2 genes, allowed the identification of these parasites.(AU)
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