Redescription of Teratotrema dubium, Travassos, Artigas &amp; Pereira, 1928 (Callodistomidae: Digenea)

Kohn, Anna; Fernandes, Berenice M. M.

doi:10.1590/s0074-02761987000100009

Mem. Inst. Oswaldo Cruz

1987

DOI: 10.1590/s0074-02761987000100009

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Redescription of Teratotrema dubium, Travassos, Artigas & Pereira, 1928 (Callodistomidae: Digenea)

Anna Kohn¹,

Berenice M. M. Fernandes²

Abstract: Teratotrema dubium Travassos, Artigas & Pereira, 1928, a digenetic trematode parasite of Pseudocurimata plumbea (Curimatidae: Pisces) is redescribed with additional morphological data, confirming the presence of a single testis.
Teratotrema dubium Travassos, Artigas & Pereira, 1928, trematódeo digenético parasita de Pseudocurimata plumbea (Curimatidae: Pisces) é redescrito com novos dados morfológicos e figuras originais

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“…Among these records, it is important to highlight the following: Abdallah et al (2012), Kohn et al (2011) and Pavanelli et al (2000) for nematodes; Kohn and Fernandes (1987) and Kohn et al (2011) for digeneans; Pavanelli et al (2000) for crustaceans; and Martins and Onaka (2006) for the myxozoan species Henneguya garavelli and Myxobolus peculiaris in the Peixe River.…”

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Community ecology of metazoan parasites of the sairúCyphocharax nagelii from the Peixe River

Vieira

Caramello

Abadallah

et al. 2013

Rev. Bras. Parasitol. Vet.

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A total of 57 sairus (Cyphocharax nagelii) from the Peixe River, state of São Paulo, southeastern Brazil, were examined between April 2011 and February 2012. Eleven species of metazoan parasites were collected and identified: Palombitrema triangulum, Curvianchoratus hexacleidus, Curvianchoratus singularis, Sphincterodiplostomum musculosum, Contracaecum sp., Cacatuocotyle paranaensis, Cosmoxynemoides aguirrei, Amplexibranchius bryconis, Brasergasilus sp., Ergasilus sp. and Clinostomum sp. The monogenean P. triangulum was the most prevalent species (61.40%) with the highest mean intensity (4.88). The monogeneans C. hexacleidus and C. singularis, the digenean S. musculosum and the nematode Contracaecum sp. also showed high prevalence. Only S. musculosum presented significant correlation between the total body weight of the host and its abundance. The parasitic infracommunities had a mean Brillouin diversity (HB) of 1.165 ± 0.987 and the maximum diversity was 1.671. The sex and length of the hosts did not influence the abundance of any parasite species. The community of metazoans in C. nagelii from the Peixe River was characterized by high richness and low uniformity.Keywords: Fish, Curimatidae, parasites, Peixe River, Brazil. ResumoCinquenta e sete "sairú" (Cyphocharax nagelii) foram examinados entre abril de 2011 e fevereiro de 2012, provenientes do Rio do Peixe, Estado de São Paulo, Sudeste do Brasil. Onze espécies de metazoários parasitos foram coletadas e identificadas: Palombitrema triangulum, Curvianchoratus hexacleidus, Curvianchoratus singularis, Sphincterodiplostomum musculosum, Contracaecum sp., Cacatuocotyle paranaensis, Cosmoxynemoides aguirrei, Amplexibranchius bryconis, Brasergasilus sp., Ergasilus sp., Clinostomum sp. O monogenético P. triangulum foi o parasito mais prevalente (61,40%) e com a maior intensidade média (4,88). Os monogenéticos C. hexacleidus e C. singularis, o digenético S. musculosum e o nematóide Contracaecum sp. também apresentaram alta prevalência. Apenas S. musculosum apresentou correlação significativa entre o peso total do corpo do hospedeiro e sua abundância. As infracomunidades parasitárias tiveram uma diversidade média de Brillouin (HB) =1,165±0,987 e a diversidade máxima foi de 1,671. O sexo e comprimento dos hospedeiros não influenciaram a abundância parasitária. A comunidade de metazoários de C. nagelii no Rio do Peixe foi caracterizada pela alta riqueza e baixa uniformidade.Palavras-chaves: Peixe, Curimatidae, parasitos, Rio do Peixe, Brasil.Cyphocharax nagelii (Steindachner, 1881), known locally as the sairú, is a Curimatidae with geographical distribution restricted to South America, and is found especially in the upper Paraná River basin. The species is involved in large seasonal migration from the Mogi Guaçu River, an upper Paraná River tributary. Young fish aged up to 50 days were reported as being zooplanktivorous, and the larger ones as detritivorous. This species reaches maturity at around the length of 8.9 centimeters for both sexes, and can reach a maxim...

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confidence: 99%

Community ecology of metazoan parasites of the sairúCyphocharax nagelii from the Peixe River

Vieira

Caramello

Abadallah

et al. 2013

Rev. Bras. Parasitol. Vet.

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Redescription of Teratotrema dubium, Travassos, Artigas & Pereira, 1928 (Callodistomidae: Digenea)

Cited by 1 publication

References 0 publications

Community ecology of metazoan parasites of the sairúCyphocharax nagelii from the Peixe River

Community ecology of metazoan parasites of the sairúCyphocharax nagelii from the Peixe River

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