Influence of the seasonal and environmental patterns and host reproduction on the metazoan parasites of Prochilodus lineatus

Lizama, Maria de los Angeles Perez; Takemoto, Ricardo Massato; Pavanelli, Gilberto Cezar

doi:10.1590/s1516-89132006000500011

Cited by 22 publications

(18 citation statements)

References 16 publications

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“…LIZAMA et al (2006) showed that the abundance of S. nanii in P. lineatus was higher during the rainy season the same is valid during the dry season for S. nanii in P. argenteus. Abiotic factors can interfere directly and/or indirectly in the development of parasites (POULIN 1996).…”

Section: Discussionsupporting

confidence: 52%

“…DYER et al (1999 described Saccocoelioides agnostomun Dyer, Bunkley-Williams & Williams Jr, 1999 and provided a summary of the genus Saccocoelioides. LIZAMA et al (2006) analyzed the influence of seasonal and environmental patterns and host reproduction on S. nanii and other metazoan parasites of Prochilodus lineatus (Valenciennes, 1836). They showed that the abundance of the latter was higher during the reproductive period of the host, and that the prevalence was positively correlated with water temperature.…”

Section: Species Of Saccocoelioidesmentioning

confidence: 99%

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Habitat selection and maturation of Saccocoelioides nanii (Digenea: Haploporidae) in Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the São Francisco River, Brazil

Monteiro¹,

Brasil-Sato²

2010

Zoologia (Curitiba, Impr.)

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ABSTRACT. This work examined the possible preference of Saccocoelioides nanii Szidat, 1954 for the three major intestinal portions of Prochilodus argenteus Agassiz, 1829 and statistically evaluated whether the river water level dynamic interfered in the parasite's ecological parameters and in its transmission to the definitive host. One-hundred-fifty specimens of P. argenteus were collected in July, 2003 (dry season) and in January, 2004 (rainy season) in the upper São Francisco River, State of Minas Gerais, Brazil. Of the 150 hosts, 96 (64%) were parasitized by S. nanii. The mean intensity and abundance were 32.6 ± 34.8 and 20.8 ± 31.9, respectively, and the range of infection intensity was from 1 to 177.The abundance of S. nanii was higher in the middle intestine than in either the anterior or posterior portions. This selection could be evidence of niche restriction to facilitate mating. The proportion of non-pregnant specimens of S. nanii was higher in the dry season as well as the intensity and abundance. At least two hypotheses can be considered for elucidated this inference: the presence/absence or change in the quantity of some substance in the host body amending/inhibits the reproduction of the parasite or that non-pregnant specimens corresponds to newly recruited individuals who did not have time to reproduce. KEY WORDS. Niche; parasite ecology, São Francisco Basin.

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Section: Discussionsupporting

confidence: 52%

Section: Species Of Saccocoelioidesmentioning

confidence: 99%

Habitat selection and maturation of Saccocoelioides nanii (Digenea: Haploporidae) in Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the São Francisco River, Brazil

Monteiro¹,

Brasil-Sato²

2010

Zoologia (Curitiba, Impr.)

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“…The difference in abundance between the two studies (current data and Paraguassú et al (2002)) is reflected in the short sampling period in the present study, which focused on the summer. According to Costa et al (1997), the spawning period for red porgy caught in the Cabo Frio region extends from November to January which would explain the differences in prevalence and abundance that coincide with the peak reproductive period of the host, since during this period the fish are more susceptible to parasitism caused, among other factors, by the stress of reproduction (LIZAMA et al, 2006). At this same time of year, there is the effect of the South Atlantic Central Water (SACW) phenomenon, which means that rearing takes place in a nutrient-rich mass, thus resulting in increased food availability throughout the food chain.…”

Section: Discussionmentioning

confidence: 99%

Parasite community of Pagrus pagrus(Sparidae) from Rio de Janeiro, Brazil: evidence of temporal stability

Soares

Vieira

Luque

2014

Rev. Bras. Parasitol. Vet.

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One hundred specimens of Pagrus pagrus were necropsied for parasitological study between January and February 2012. These data were compared with data from 90 specimens that had been examined in the year 2000. The fish were collected from Cabo Frio (21-23 ° S, 41-45 ° W), in the state of Rio de Janeiro, Brazil. In the current study a total of 19 parasite species were collected. Sixteen of these were collected in the samples of both 2012 and 2000, thus totaling 25 parasite species in the two studies. All the results were similar to those of the previous study with regard to: dominance of anisakid nematode larvae; correlation between abundance of parasites and host body size; absence of correlations between the size of parasite infrapopulations and host sex; and scarcity of interspecific associations. The only difference between the studies was in the abundance values for Anisakidae, which could be correlated with the seasonal factor of the collection period, which was concentrated in the summer. This is also the period of the South Atlantic Central Water (SACW) phenomenon, during which there is greater host reproductive activity. Therefore, significant stability of the metazoan community structure of P. pagrus was shown.Keywords: Pagrus pagrus, parasites, community structure, marine fish, temporal stability. ResumoCem exemplares de Pagrus pagrus foram necropsiados entre janeiro e fevereiro de 2012 para estudos parasitológicos. Esses dados foram comparados com dados de 90 espécimes examinados no ano 2000. Os peixes foram coletados em Cabo Frio (21-23 ° S, 41-45 ° W), no Estado do Rio de Janeiro, Brasil. No presente estudo, foram coletados um total de 19 espécies de parasitos, 16 delas foram coletadas em comum nas amostras de 2012 e 2000, dando um total de 25 espécies de parasitos. Todos os resultados foram semelhantes aos do estudo anterior em: dominância das larvas de anisaquídeos; correlação entre a abundância de parasitos e comprimento total do corpo dos hospedeiros; ausência de correlações entre o tamanho das infrapopulações parasitárias e sexo do hospedeiro e a escassez de associações interespecíficas. A única diferença entre os estudos reside nos valores da abundância de nematóides anisaquídeos, o que poderia ser correlacionado com o fator sazonal do período de coleta que foi concentrada no verão, período que coincide com o fenômeno da Água Central do Atlântico Sul (ACAS), no qual o hospedeiro apresenta maior atividade reprodutiva. Portanto, uma significativa estabilidade da estrutura da comunidade de parasitos de P. pagrus foi evidenciada.Palavras-chave: Pagrus pagrus, parasitas, estrutura da comunidade, peixe marinho, estabilidade temporal.

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“…Several studies have observed that the reproductive migration pattern of a host can be a determining factor in the composition and structure of parasite communities, as the short and long migrations performed by this species over its lifetime permit the fish to exploit diverse environments, increasing the possibility of infection/infestation by diverse species of parasites (Lizama et al 2006). Consequently, these divergent migratory characteristics may affect the endoparasite fauna, as related species usually exhibit divergent characteristics that make the coexistence possible (Dogiel 1961;Balassa et al 2004).…”

Section: Fauna Endoparasitária Dementioning

confidence: 99%

Endoparasite fauna of Brycon amazonicus and B. melanopterus(Characidae, Bryconinae) from Negro and Solimões rivers, Amazon, Brazil

et al. 2016

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Congeneric host species present similar biological and behavioral aspects, what may favor the presence of a similar parasite fauna. The aim of the present study was to compare the composition and structure of the parasite community from congeneric species, Brycon amazonicus and B. melanopterus, collected on the Negro and Solimões Rivers. The fish internal organs were longitudinally opened and analyzed under stereomicroscope. The examination revealed that B. amazonicus was parasitized by Procamallanus (Spirocamallanus) inopinatus (26.7% and 35.5%), Contracaecum type 2 (10% and 16.13%) and Rhabdochona acuminata (0% and 3.23%), prevalence values for Negro and Solimões River, respectively. The analysis of B. melanopterus, a fish species found only in the Solimões River, revealed P. (S.) inopinatus (33.3%), Contracaecum type 1 (60%) and R. acuminata (3.34%). These results indicate that the taxonomic proximity of the hosts was a stronger influence on the parasite species than external host environment. KEYWORDS: Negro River, Solimões River, 'matrinxã', metazoan parasites, nematode. Fauna endoparasitária deBrycon amazonicus e B. melanopterus (Characidae, Bryconinae) dos rios Negro e Solimões, Amazônia, Brasil RESUMO Espécies hospedeiras congenéricas apresentam aspectos biológicos e comportamentais semelhantes, o que pode favorecer a presença de uma fauna de parasitas semelhantes. O objetivo do presente estudo foi comparar a composição e a estrutura da comunidade parasitária de espécies congêneres, Brycon amazonicus e B. melanopterus, coletados nos rios Negro e Solimões. Os órgãos internos dos peixes foram longitudinalmente abertos e analisados com o auxílio de estereomicroscópio. O exame revelou que B. amazonicus foi parasitada por Procamallanus (Spirocamallanus) inopinatus (26,7% e 35,5%), tipo Contracaecum 2 (10% e 16,13%) e Rhabdochona acuminata (0% e 3,23%), os valores de prevalência para os rios Negro e Solimões, respectivamente. A análise de B. melanopterus, uma espécie de peixe encontradas somente no Rio Solimões, revelou P. (S.) inopinatus (33,3%), Contracaecum tipo 1 (60%) e R. acuminata (3,34%). Estes resultados indicam que a proximidade taxonômica dos hospedeiros foi uma influência mais forte sobre as espécies de parasitas do que ambiente externo ao peixe. PALAVRAS-CHAVE: Rio Negro, Rio Solimões, parasitos metazoários, 'matrinxã', nematóides. ACTAAMAZONICA Endoparasite fauna of Brycon amazonicus and B. melanopterus (Characidae, Bryconinae) from Negro and Solimões rivers, Amazon, Brazil

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Influence of the seasonal and environmental patterns and host reproduction on the metazoan parasites of Prochilodus lineatus

Abstract: One hundred and forty-eight specimens of Prochilodus lineatus (Valenciennes, 1836)

Cited by 22 publications

References 16 publications

Habitat selection and maturation of Saccocoelioides nanii (Digenea: Haploporidae) in Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the São Francisco River, Brazil

Habitat selection and maturation of Saccocoelioides nanii (Digenea: Haploporidae) in Prochilodus argenteus (Actinopterygii: Prochilodontidae) from the São Francisco River, Brazil

Parasite community of Pagrus pagrus(Sparidae) from Rio de Janeiro, Brazil: evidence of temporal stability

Endoparasite fauna of Brycon amazonicus and B. melanopterus(Characidae, Bryconinae) from Negro and Solimões rivers, Amazon, Brazil

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