Document Detail

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.
MedLine Citation:
PMID:  15622849     Owner:  NLM     Status:  MEDLINE    
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 degrees 01'S, 44 degrees 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.
L E R Tavares; J L Luque
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Brazilian journal of biology = Revista brasleira de biologia     Volume:  64     ISSN:  1519-6984     ISO Abbreviation:  Braz J Biol     Publication Date:  2004 Aug 
Date Detail:
Created Date:  2004-12-29     Completed Date:  2005-05-05     Revised Date:  2007-11-15    
Medline Journal Info:
Nlm Unique ID:  101129542     Medline TA:  Braz J Biol     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  523-9     Citation Subset:  IM    
Curso de Pós-graduação em Ciências Veterinárias, Departamento de Parasitologia Animal, Universidade Federal Rural do Rio de Janeiro, C.P. 74508, CEP 23851-970 Seropédica, RJ, Brazil.
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MeSH Terms
Fishes / parasitology*
Host-Parasite Interactions*
Parasites / classification*,  isolation & purification

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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