Pathological Alterations Induced by Pozdnyakovia gibsoni (Digenea, Didymozoidae), a Parasite of the Skipjack Tuna, Katsuwonus pelamis (Scombridae)

Marcia C. N. Justo; Mariana S. L. Leão; Anna Kohn; Fabio Flores-Lopes

doi:10.1654/4740.1

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Marcia C. N. Justo,^1,* Mariana S. L. Leão,¹ Anna Kohn,^1,2 Fabio Flores-Lopes³

¹1 Laboratório de Helmintos Parasitos de Peixes, Instituto Oswaldo Cruz, Fiocruz, Av. Brasil, 4365 Ma
²2 Conselho Nacional de Desenvolvimento Científico e Tecnológico CNPq (e-mail: annakohn@ioc.fio
³3 Departamento de Ciências Biológicas, Universidade Estadual de Santa Cruz. Rod. Ilhéus-Itabuna, km

^*Corresponding author.

Abstract

The pathological and histopathological alterations associated with parasitic infection induced by the didymozoid Pozdnyakovia gibsoni Justo and Kohn, 2012, in the stomach wall of the skipjack tuna Katsuwonus pelamis (Linnaeus, 1758) in the southwestern Atlantic Ocean off South America are presented. The parasites were encysted in the mucosal layer of the stomach and inserted into the connective tissue that forms the lamina propria. The parasite penetrates through the stomach wall, inducing white blood cell proliferation and a localized inflammatory reaction.

The Helminthological Society of Washington

Citation Download Citation

Marcia C. N. Justo, Mariana S. L. Leão, Anna Kohn, and Fabio Flores-Lopes "Pathological Alterations Induced by Pozdnyakovia gibsoni (Digenea, Didymozoidae), a Parasite of the Skipjack Tuna, Katsuwonus pelamis (Scombridae)," Comparative Parasitology 82(2), 301-303, (1 July 2015). https://doi.org/10.1654/4740.1

Published: 1 July 2015

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