Key to the species of Brazilian Procamallanus with general considerations (Nematoda, Camallanoidea)

Rodrigues, H. de Oliveira; Pinto, Roberto Magalhães; Noronha, Dely

doi:10.1590/s0074-02761991000100017

Cited by 7 publications

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“…In species considered synonymous of P. (S.) hilarii, P. cearensis and S. incarocai, Pereira et al (1936) and Freitas and Ibañez (1970) mentioned the presence of thin caudal alae, whereas Rodrigues et al (1991) and Moravec (1998) noted the absence of caudal alae as reported in the present study (Figs. 3,10 and 18).…”

Section: Remarkssupporting

confidence: 71%

“…fasciatus and A. jacuhiensis were identified as P. (S.) hilarii based on the taxonomic keys proposed by Rodrigues et al (1991) and Moravec (1998) by presenting an oral capsule with inner spirals in both sexes and a glandular esophagus at least 3 times longer than the muscular esophagus.…”

Section: Remarksmentioning

confidence: 99%

“…Later, this was classified in the subgenus Spirocamallanus by presenting oral capsule with inner spirals in both sexes (Moravec & Sey, 1988). This species was redescribed by Pinto and Noronha (1976) and Rodrigues, Pinto, and Noronha (1991); however, in both studies the authors used the original figures of Vaz and Pereira (1934), thereby missing many morphological details, such as cephalic characters and posterior extremity of males.…”

Section: Introductionmentioning

confidence: 99%

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Supplemental observations on the morphology of Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitizing two species of Astyanax (Characiformes: Characidae) and ecological analyses

Gallas¹,

Bencke-Amato²

2015

Revista Mexicana de Biodiversidad

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Revista Mexicana de Biodiversidad 86 (2015) 590-596 Taxonomy and systematics Supplemental observations on the morphology of Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitizing two species of Astyanax (Characiformes: Characidae) and ecological analyses Observaciones suplementarias sobre la morfología de Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitando dos especies de Astyanax (Characiformes: Characidae) y análisis ecológico Abstract Procamallanus (Spirocamallanus) hilarii parasitizes several fish species but only few studies on morphology and ecology have been published. In this study we describe the morphology of P. (S.) hilarii parasitizing Astyanax aff. fasciatus and Astyanax jacuhiensis, and compare ecological parameters of their populations. Seventy A. aff. fasciatus and 60 A. jacuhiensis individuals were captured in Lake Guaiba, Rio Grande do Sul State, Brazil, between March 2012 and December 2013. The specimens of P. (S.) hilarii presented an oval oral opening with 6 cuticular elevations and 2 groups of papillae (one internal and one external) in the anterior region of the body. Males have 8 pairs of sessile caudal papillae (4 pre-cloacal and 4 post-cloacal), spicules with distal bifurcation and lack caudal alae. The prevalence of P. (S.) hilarii was higher in A. aff. fasciatus (69%) than in A. jacuhiensis (18%), whereas there was no difference in mean intensity (respectively, 2 and 5) and mean abundance (respectively, 1.6 and 0.9) of infection between the 2 host species. We suggest that the consumption of copepods, intermediate hosts of P. (S.) hilarii, Resumen Procamallanus (Spirocamallanus) hilarii (P. (S.) hilarii) parasita varias especies de peces, pero son escasos los estudios publicados sobre su morfología y ecología. En este estudio describimos la morfología de P. (S.) hilarii que parasitan las mojarras Astyanax aff. fasciatus y A. jacuhiensis y comparamos diferentes parámetros ecológicos de sus poblaciones. Entre marzo de 2012 y diciembre de 2013, capturamos 70 individuos de Astyanax (A.) aff. fasciatus y 60 de A. jacuhiensis en el Lago Guaiba, estado de Rio Grande do Sul, Brazil. Los ejemplares de P. (S.) hilarii presentaron una abertura oral de forma oval con 6 elevaciones cuticulares y 2 grupos de papilas (una interna y otra externa) en la región anterior del cuerpo. Los machos presentaron 8 pares de papilas caudales sésiles (4 precloaca y 4 poscloaca), espículas con bifurcación distal y ausencia de ala caudal. La prevalencia de P. (S.) hilarii fue mayor en A. aff. fasciatus (69%) que en A. jacuhiensis (18%). Sin embargo, no existieron diferencias en la intensidad promedio (2 y 5 respectivamente) y la abundancia promedio (1.6 y 0.9 respectivamente) de infección entre las 2 especies hospederas. Sugerimos que el consumo de copépodos, hospederos intermediarios de P. (S.) hilarii, podría explicar esta diferencia. Derechos Reservados © 2015 Universidad Nacional Autónoma de México, Instituto de Biología. Este es un artículo de acceso abierto distri...

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Section: Remarkssupporting

confidence: 71%

Section: Remarksmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Supplemental observations on the morphology of Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitizing two species of Astyanax (Characiformes: Characidae) and ecological analyses

Gallas¹,

Bencke-Amato²

2015

Revista Mexicana de Biodiversidad

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“…Spirocamallanus has been considered a subgenus of the genus Procamallanus also, for example, in the works of Pinto et al (1974Pinto et al ( , 1975Pinto et al ( , 1976 and Rodriguez et al (1991). Another subgenus of this genus, Punctocamallanus (type species P. (P.) punctatus Moravec & Scholz, 1991) was established by Moravec & Scholz (1991).…”

Section: Discussionmentioning

confidence: 96%

Procamallanus(Denticamallanussubgen. n.)dentatusn. sp. (Nematoda: Camallanidae) from the characid fish,Bryconops alburnoides, in the Brazilian Amazon

Moravec

Thatcher

1997

Parasite

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Summary :A new camallanid nematode, Procamallanus dentatus sp. n. is described from the intestine of the characid fish, Bryconops alburnoides Kner, 1859 from the Uburu River, Amazonas State, Brazil. The parasite is characterized mainly by the structure of the buccal capsule : four to five spiral thickenings are present in the buccal capsule of females, while about 10 large, anteriorly directed and sharply pointed teeth are present in that of the males. This feature is used for creating a new subgenus, Denticamallanus subgen. n., with the type species P. (D.) dentatus sp. n. Other features characteristic of this species are the presence of very short (0.078-0.117 mm) spicules of equal length, 2 pairs of preanal and 3 pairs of postanal papillae and the absence of caudal alae in the male. The tail of the female is short and wide, with a small conical appendage. The ratio of the muscular and the glandular parts of the oesophagus is 1 : 1.5-1.7. A key to subgenera of the genus Procamallanus Baylis, 1923 is provided.

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“…37464, 37465 and Peru (Travassos and Kohn 1965;Vicente and Pinto 1999;Vicente et al 1985;Kohn and Fernandes 1987;Rodrigues et al 1991;Thatcher 1991Thatcher , 2006Moravec 1998;Giese et al 2009;Eiras et al 2010). However, this is the first record of this species parasitizing S. jurupari.…”

Section: Nematodamentioning

confidence: 99%

Parasites of Satanoperca jurupari (Osteichthyes: Cichlidae) from Brazil

et al. 2011

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Satanoperca jurupari (Osteichthyes: Cichlidae) is reported for the first time to be parasitized by the nematodes Procamallanus (Spirocamallanus) rarus Travassos, Artigas and Pereira, 1928, Procamallanus (Spirocamallanus) sp., larvae of Raphidascaroides sp. and Anisakidae gen. sp., and by the acanthocephalan Neoechinorhynchus (Neoechinorhynchus) paraguayensis Machado Filho (Rev Bras Biol 19:379-381, 1959).

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Key to the species of Brazilian Procamallanus with general considerations (Nematoda, Camallanoidea)

Cited by 7 publications

References 0 publications

Supplemental observations on the morphology of Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitizing two species of Astyanax (Characiformes: Characidae) and ecological analyses

Supplemental observations on the morphology of Procamallanus (Spirocamallanus) hilarii (Nematoda: Camallanidae) parasitizing two species of Astyanax (Characiformes: Characidae) and ecological analyses

Procamallanus(Denticamallanussubgen. n.)dentatusn. sp. (Nematoda: Camallanidae) from the characid fish,Bryconops alburnoides, in the Brazilian Amazon

Parasites of Satanoperca jurupari (Osteichthyes: Cichlidae) from Brazil

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