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Title
Parasite fauna of the white-streaked grouper (Epinephelus ongus) from the Thousand Islands, Java, Indonesia
Author(s)
Koepper, S.;Nuryati, S.;Palm, H. W.;...;Yulianto, I.;Kleinertz, S.
Published
2021
Publisher
Acta Parasitologica
Published Version DOI
https://doi.org/10.1007/s11686-020-00312-0
Abstract
Purpose Fish parasites can cause diseases in humans and lead to commercial losses in fisheries and aquaculture. The objectives of this study were to analyze E. ongus's parasite fauna regarding food safety and parasite transmission risk between Epinephelus species and test whether E.ongus populations can be distinguished by their parasite community. Methods We studied the metazoan parasite fauna of 30 white-streaked groupers Epinephelus ongus from the Thousand Islands, Java Sea, Indonesia, and compared the parasite community with specimens from Karimunjawa archipelago, Java Sea, from a former study. We used common fish parasitological methods for fish examination and parasite calculations. Results We found 12 metazoan parasite species, establishing five new host and five new locality records, increasing the known parasite fauna of E. ongus by 21%. No anisakid worms infected E. ongus. All but one (trematode Gyliauchen cf. nahaensis) species have been previously reported from Epinephelus. Parasite abundance of E. ongus differed significantly between the two regions. Conclusions Due to a certain degree of host specificity to groupers, there is potential risk of parasite transmission from E. ongus into groupers in mariculture or surrounding fishes, which increases (sea) food security related health risks from zoonotic parasites and calls for better monitoring and management plans for E. ongus. The regional separation of the Thousand Islands and Karimunjawa with different food availability and fish ecology causes different parasite abundances, distinguishing two separate E. ongus populations by their parasite fauna.
Keywords
Fish stock separation;Parasite diversity;Gyliauchen cf;nahaensis;Grouper fisheries management;Seafood health risks;Food safety of;fisheries products;Parasitology
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PUB25695