Parasitism of Phalloceros harpagos (Cyprinodontiformes: Poeciliidae) by Sebekia oxycephala (Pentastomida: Sebekidae) in the headwaters of the Cambé River, Paraná State, Brazil

Almeida, Waltécio de Oliveira; Silva-Souza, Ângela Teresa; Sales, Débora Lima

doi:10.1590/s1519-69842010005000004

Cited by 13 publications

(14 citation statements)

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“…The pentastomid Sebekia oxycephala is widely distributed, occurring from the southern part of the United States to southern South America (Almeida et al, 2010). In Brazil, nymphs of S. oxycephala have been reported parasitizing four freshwater fish species: Serrasalmus nattereri, Pseudoplatystoma corruscans and Phallocerus harpagus (see Almeida et al, 2010) and Serrasalmus marginatus (Vicentin et al, 2011).…”

Section: Resultsmentioning

confidence: 99%

“…In Brazil, nymphs of S. oxycephala have been reported parasitizing four freshwater fish species: Serrasalmus nattereri, Pseudoplatystoma corruscans and Phallocerus harpagus (see Almeida et al, 2010) and Serrasalmus marginatus (Vicentin et al, 2011). Adults of this pentastomid have been reported infecting crocodilian species (Junker and Boomker, 2006).…”

Section: Resultsmentioning

confidence: 99%

“…Adults of this pentastomid have been reported infecting crocodilian species (Junker and Boomker, 2006). The life cycle of S. oxycephala is well known and involves several freshwater fish species as intermediate hosts (Venard and Bangham, 1941;Riley, 1986;Almeida et al, 2010). Heymons (1935) suggested that nymphs of this pentastomid may also infect lizards and snakes, but Riley (1986) considered the source of this information vague and pointed out the need for confirmation.…”

Section: Resultsmentioning

confidence: 99%

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Endoparasites infecting the semiaquatic coral snake Micrurus surinamensis (Squamata: Elapidae) in the southern amazonian region, Mato Grosso state, Brazil

et al. 2013

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A parasitological survey was conducted in specimens of the semiaquatic coral snake Micrurus surinamensis, a poorly known South American elapid. Four specimens collected at the southern Amazon region in the Brazilian state of Mato Grosso were analyzed for endoparasites. Three parasite species were recovered from the snake hosts: the pentastomid Sebekia oxycephala, the nematode Physaloptera sp. and the trematode Opisthogonimus lecithonotus. This represents new locality and host record for S. oxycephala and O. lecithonotus.Keywords: parasitism, Pentastomida, Nematoda, Trematoda, snakes. Endoparasitas infectando a coral semiaquática

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

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Endoparasites infecting the semiaquatic coral snake Micrurus surinamensis (Squamata: Elapidae) in the southern amazonian region, Mato Grosso state, Brazil

et al. 2013

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“…Although commonly reported within fish hosts elsewhere (Junker et al 1998, Guidelli et al 2003, Almeida et al 2010, Giesen et al 2013, no larval pentastomids have previously been reported from fish in Australian waters.…”

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confidence: 95%

A morphological and genetic description of pentastomid infective nymphs belonging to the family Sebekidae Sambon, 1922 in fish in Australian waters

Barton¹,

Morgan

2016

FOLIA PARASIT

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Abstract:Infective nymphal stages of the family Sebekidae Sambon, 1922 are reported from four species of fish in Australian waters for the first time. Infected fish were collected from locations in Western Australia, the Northern Territory and north Queensland. The infective nymphs of Alofia merki Giglioli in Sambon, 1922 and Sebekia purdieae Riley, Spratt et Winch, 1990 are reported and described for the first time. The remaining specimens were identified as belonging to the genus Sebekia Sambon, 1922 based on the combination of buccal cadre shape, shape and size of hooks, and overall body size, but could not be attributed to any of the other species of Sebekia already reported due to missing required morphological features. DNA sequences of members of the family Sebekidae are presented for the first time. The lack of knowledge on the pentastome fauna of wild crocodiles, and any potential intermediate hosts, in northern Australia, is also outlined.

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“…Os pentastomídeos de crocodilianos têm os peixes como principais hospedeiros intermediários e, no Brasil, ninfas de Sebekia oxycephala já foram identificadas em espécies como Phalloceros harpagos (Almeida et al 2010) e Serrasalmus marginatus (Vicentin et al 2011).…”

Section: Discussionunclassified

Lesões pulmonares associadas ao parasitismo por Sebekia oxycephala (Pentastomida) em jacarés-açu (Melanosuchus niger Spix, 1825) oriundos de vida livre na Amazônia brasileira

Cardoso

Souza²,

Menezes

et al. 2014

Pesq. Vet. Bras.

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O presente estudo objetivou descrever as lesões pulmonares macro e microscópicas associadas ao parasitismo por Sebekia oxycephala em 100 espécimes de jacarés-açu (Melanosuchusniger), abatidos na Reserva de Desenvolvimento Sustentável Mamirauá, situada no Estado do Amazonas, Brasil. Durante a avaliação macroscópica, exemplares dos parasitos encontrados no tecido pulmonar foram coletados individualmente em AFA (Álcool etílico - Formalina - Ácido acético glacial) e formol a 5% para avaliação parasitológica e classificação taxonômica. Amostras de tecido pulmonar de todos os animais, independentemente da ocorrência de lesões macroscópicas, foram fixadas em formol 10% e incluídas em parafina. Secções histológicas coradas por Hematoxilina-Eosina destas amostras foram avaliadas por meio de microscopia óptica. Macroscopicamente, 4 dos 100 animais (4%) apresentaram espécimes de pentastomídeos no parênquima pulmonar. Os parasitos foram classificados taxonomicamente como pertencentes à espécie Sebekia oxycephala. Nenhuma alteração macroscópicas foi observada, porém, microscopicamente, lesões pulmonares foram encontradas em 37% dos casos, sendo que, lesões inflamatórias associadas ao parasitismo corresponderam a 75,6% dos mesmos (28/37). Nestes, segmentos degenerados e ovos de S. oxycephala encontravam-se envolvidos por cápsula de tecido conjuntivo fibroso e infiltrado inflamatório predominantemente composto por células gigantes do tipo corpo estranho. Três espécimes apresentaram espessamento de septos alveolares e sete exemplares continham infiltrado inflamatório granulocítico multifocal no parênquima pulmonar. As lesões associadas ao parasitismo, de modo geral, apresentaram intensidade discreta e parecem não representar uma causa importante de doença pulmonar entre a população estudada. Esta é a primeira descrição de lesões pulmonares em M. niger associadas ao parasitismo por S. oxycephala na Amazônia brasileira.

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Parasitism of Phalloceros harpagos (Cyprinodontiformes: Poeciliidae) by Sebekia oxycephala (Pentastomida: Sebekidae) in the headwaters of the Cambé River, Paraná State, Brazil

Cited by 13 publications

References 4 publications

Endoparasites infecting the semiaquatic coral snake Micrurus surinamensis (Squamata: Elapidae) in the southern amazonian region, Mato Grosso state, Brazil

Endoparasites infecting the semiaquatic coral snake Micrurus surinamensis (Squamata: Elapidae) in the southern amazonian region, Mato Grosso state, Brazil

A morphological and genetic description of pentastomid infective nymphs belonging to the family Sebekidae Sambon, 1922 in fish in Australian waters

Lesões pulmonares associadas ao parasitismo por Sebekia oxycephala (Pentastomida) em jacarés-açu (Melanosuchus niger Spix, 1825) oriundos de vida livre na Amazônia brasileira

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