Acanthocollaritrema umbilicatum Travassos, Freitas &amp; Bührnheim, 1965 (Digenea: Acanthocollaritrematidae) from the Common Snook, Centropomus undecimalis, from Itamaracá, State of Pernambuco, Brazil

Robaldo, Ricardo Berteaux; Padovan, Isairas Pereira

doi:10.1590/s0074-02761998000300006

Mem. Inst. Oswaldo Cruz

1998

DOI: 10.1590/s0074-02761998000300006

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Acanthocollaritrema umbilicatum Travassos, Freitas & Bührnheim, 1965 (Digenea: Acanthocollaritrematidae) from the Common Snook, Centropomus undecimalis, from Itamaracá, State of Pernambuco, Brazil

Ricardo Berteaux Robaldo¹,

Isairas Pereira Padovan

Abstract: Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965

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Cited by 3 publications

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Life history of Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965 (Digenea: Cryptogonimidae)

2008

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The trematode Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim 1965 is redescribed and data on its life cycle are provided for the first time. Adults were obtained from the common snook, Centropomus undecimalis (Bloch 1792), and both rediae and cercariae from the snail Heleobia australis (d'Orbigny 1835), a new intermediate host. Metacercariae were found encysted among the scales, fins, and musculature and in the buccal cavity of naturally infected fishes, Poecilia vivipara Bloch and Schneider, 1801, Jenynsia multidentata (Jenyns 1842), and Phalloptychus januarius (Hensel 1868), all new intermediate hosts. The examination of the type and freshly obtained adults of A. umbilicatum has shown that they possess 54-64 circumoral spines, in a double row. Experimental infections were achieved in the intermediate hosts H. australis and P. vivipara.

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Life history of Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965 (Digenea: Cryptogonimidae)

2008

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Community ecology of metazoan parasites of the later juvenile common snook Centropomus undecimalis (Osteichthyes: Centropomidae) from the coastal zone of the state of Rio de Janeiro, Brazil

Tavares

Luque

2004

Braz. J. Biol.

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Between April and December 2000, seventy-nine specimens of Centropomus undecimalis from Angra dos Reis, coastal zone of the State of Rio de Janeiro (23 o 01'S, 44 o 19'W), Brazil, were necropsied to study their infracommunities of metazoan parasites. Nine species of metazoan parasites were collected: 1 digenean, 1 monogenean, 1 acantocephalan, 1 nematode, 4 copepods, and 1 isopod, and 96.2% of the fishes were parasitized by one or more metazoan, with mean of 85.3 ± 122.9 parasite/fish. The digenean Acanthocollaritrema umbilicatum Travassos, Freitas & Bührnheim represented the majority of the parasites specimens collected, totaling, 94.7%. This species was the most abundant, prevalent, and dominant, showing positive correlation with the host's total body length and parasite abundance. The copepod species Acantholochus unisagittatus Tavares & Luque presented differences in abundance in relation to sex of host. The mean diversity in the infracommunities of C. undecimalis was H = 0.095 ± 0.116, with no correlation with the host's total body length but correlated with the host's sex. No pair of parasite species showed positive or negative association or covariation. The dominance of digenean A. umbilicatum in the later juvenile common snook parasite community could be related with the predatory food habits of common snook and an apparent feeding transition period which might occasion great exposure to infective forms.Key words: parasite ecology, community structure, marine fish, Centropomidae, Centropomus undecimalis, Brazil. total dos hospedeiros e com diferenças em relação ao sexo dos hospedeiros. Nenhum par de espécies demonstrou associação e covariação positiva ou negativa. A dominância do digenético A. umbilicatum na comunidade parasitária dos robalos jovens pode estar relacionada ao hábito predador e ao aparente período de transição alimentar, que pode levar a uma grande exposição às formas infectantes. RESUMOPalavras-chave: ecologia parasitária, estrutura comunitária, peixes marinhos, Centropomidae, Centropomus undecimalis, Brasil.

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Development and health status of Centropomus undecimalisparasitized by Rhabdosynochus rhabdosynochus (Monogenea) under different salinity and temperature conditions

Mello

Jerônimo

Tancredo

et al. 2015

Rev. Bras. Parasitol. Vet.

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Development and health status of AbstractThis study evaluated the correlation of hematological parameters with the mean abundance of the monogenean helminth Rhabdosynochus rhabdosynochus in Centropomus undecimalis reared at different temperatures and salinities. The experimental conditions were: 28 °C/0 ppt (parts per thousand); 28 °C/15 ppt; 28 °C/32 ppt; 25 °C/0 ppt; 25 °C/15 ppt; and 25 °C/32 ppt. The prevalence was 100.0% in fish at 28 °C/15 ppt, 28 °C/32 ppt and 25 °C/15 ppt, which was significantly different (p < 0.05) from those at 25 °C/32 ppt. The red blood cell (RBC) count, hematocrit and total leukocyte (WBC) count were significantly higher in fish at 28 °C/15 ppt and 28 °C/32 ppt. The mean abundance of R. rhabdosynochus, hematocrit and RBC showed positive correlations (P < 0.05) with temperature (ρ = 0.3908; ρ = 0.4771 and ρ = 0.2812). Mean abundance showed negative correlations with hemoglobin (ρ = -0.3567) and mean corpuscular hemoglobin concentration (MCHC) (ρ = -0.2684). No correlation between abundance and salinity was detected among the experimental conditions (ρ = -0.0204). The low numbers of monogeneans recorded (min -1 and max -33) explain the few changes to fish health. This suggests that these experimental conditions may be recommended for development of rearing of C. undecimalis in Brazil, without any influence or economic losses from R. rhabdosynochus.

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Acanthocollaritrema umbilicatum Travassos, Freitas & Bührnheim, 1965 (Digenea: Acanthocollaritrematidae) from the Common Snook, Centropomus undecimalis, from Itamaracá, State of Pernambuco, Brazil

Abstract: Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965

Cited by 3 publications

References 2 publications

Life history of Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965 (Digenea: Cryptogonimidae)

Life history of Acanthocollaritrema umbilicatum Travassos, Freitas and Bührnheim, 1965 (Digenea: Cryptogonimidae)

Community ecology of metazoan parasites of the later juvenile common snook Centropomus undecimalis (Osteichthyes: Centropomidae) from the coastal zone of the state of Rio de Janeiro, Brazil

Development and health status of Centropomus undecimalisparasitized by Rhabdosynochus rhabdosynochus (Monogenea) under different salinity and temperature conditions

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