Morphology and surface ultrastructure of Dadaytrema oxycephala (Digenea: Cladorchiidae) with a new host record from Peruvian Amazon floodplain

In this study, a new host record for Dadaytrema oxycephala (Digenea: Cladorchiidae) is described from an important Amazonian ornamental fish. The parasite was identified based in the general morphology and surface ultrastructure of the young and mature trematodes using scanning electron microscopy....

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Bibliographic Details
Published inBiológia Vol. 73; no. 6; pp. 569 - 575
Main Authors Cuadros, Ruben C., Rivadeneyra, Norma L. S., Malta, José C. O., Enrique Serrano-Martínez, M., Mathews, Patrick D.
Format Journal Article
LanguageEnglish
Published Cham Springer International Publishing 01.06.2018
Springer Nature B.V
Subjects
Biomedical and Life Sciences
Cell Biology
Cladorchiidae
Digenea
Fish
Fish parasites
Floodplains
International trade
Intestine
Lakes
Life Sciences
Microbiology
Morphology
Original Article
Ornamental fish
Outbreaks
Parasites
Pest outbreaks
Plant Sciences
River basins
Rivers
Scanning electron microscopy
Ultrastructure
Zoology
Peru
Amazon River
Peru
ornamental fish
Trematoda
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Summary:In this study, a new host record for Dadaytrema oxycephala (Digenea: Cladorchiidae) is described from an important Amazonian ornamental fish. The parasite was identified based in the general morphology and surface ultrastructure of the young and mature trematodes using scanning electron microscopy. The digenetic trematodes were found in the intestine of 15 of 80 specimens (18.7%) of Brochis multiradiatus captured from two floodplain lakes of the Amazonas River, Department of Loreto, Peru and no clinical signs were observed in the parasitized organ. This is the first report of D. oxycephala parasitizing fish of the genus Brochis in the Amazon basin and the first to report this parasite infection in an ornamental fish from Peru. Given that international trade of ornamental fish is a major factor for transboundary spreading of fish parasites and taking account that Peru is the second largest exporter of the Amazonian countries, there is a fundamental need of constant monitoring for diagnosis and timely control of infections by digeneans in order to better prevent introduction in new environments, dissemination and future disease outbreaks.
ISSN:0006-3088
1336-9563
DOI:10.2478/s11756-018-0072-z