Histopathologic aspects in Plagioscion squamosissimus (HECKEL, 1940) induced by Neoechinorhynchus veropesoi, metacestodes and anisakidae juveniles
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Histopathologic aspects in Plagioscion squamosissimus (HECKEL, 1940) induced by Neoechinorhynchus veropesoi, metacestodes and anisakidae juveniles Aspectos histopatólogicos em Plagioscion squamosissimus induzidos por Neoechinorhynchus veropesoi, metacestódeos e juvenis da Família Anisakidae
Plagioscion squamosissimus (Heckel 1840), a fish endemic to the Amazon Basin and commonly known as the “silver croaker”, plays an important role in the ecology and economy of Pará State, Brazil. Knowledge of host-parasite relationships is important to understanding the role of parasites in the control of natural host populations. This work describes histopathological aspects caused by several c...
متن کاملA description of Neoechinorhynchus (Neoechinorhynchus) veropesoi n. sp. (Acanthocephala: Neoechinorhynchidae) from the intestine of the silver croaker fish Plagioscion squamosissimus (Heckel, 1840) (Osteichthyes: Sciaenidae) off the east coast of Brazil.
Plagioscion squamosissimus (Heckel, 1840) (Osteichthyes: Sciaenidae) is considered piscivorous and is a generalist species endemic to the Amazon region. This fish is an important part of the natural ecosystems in which it occurs and provides basic functional components in the food web. The genus Neoechinorhynchus Stiles & Hassall, 1905 is distributed worldwide and parasitizes fish and turtles, ...
متن کاملDiet composition of Plagioscion squamosissimus (Heckel, 1840), a fish introduced into the Tietê River system.
Plagioscion squamosissimus is a species from the Amazon basin that was introduced into the Tietê River system. The present study aimed to analyse the feeding habits of this species in Bariri Reservoir and to verify the possible occurrence of ontogenetic changes in its diet composition. The samples were gathered in four periods of the year: February, June, September and November 2003. The fish w...
متن کاملDescription and prevalence of Thynnascaris sp. larvae Dollfus, 1933 (Nematoda: Anisakidae) in plagioscion squamosissimus heckel, 1840 from Volta Grande Reservoir, State of Minas Gerais, Brazil.
The present work studied helminth parasites of freshwater "corvina" Plagioscion squamosissimus from Volta Grande Reservoir, MG, Brazil. Sixty eight fishes with averages of 25.2 cm length and 180.9 g weight were collected with net, bimonthly from December 1995 thru December 1996. Parasites were carefully removed from their cysts that were present in the intestinal mesentery. Specimens were fixed...
متن کاملEffects of a Supraseasonal Drought on the Ecological Attributes of Plagioscion squamosissimus (Heckel, 1840) (Pisces, Sciaenidae) in a Brazilian Reservoir
The aim of this study was to evaluate the effect of a supraseasonal drought on the ecological attributes of Plagioscion squamosissimus. The fish were caught quarterly from February 2010 to November 2014 using gill nets in the reservoir of Santa Cruz, Rio Grande do Norte, Brazil. The abundance of the species was evaluated with the catch per unit effort (CPUE) metric and then correlated with the ...
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ژورنال
عنوان ژورنال: Revista Brasileira de Parasitologia Veterinária
سال: 2014
ISSN: 1984-2961
DOI: 10.1590/s1984-29612014048