Pathology associated with Tripaphylus Richiardi, 1878 infection (Copepoda: Sphyriidae) in wild-caught Australian blackspot sharks, Carcharhinus coatesi (Whitley, 1939), off northern Australia

Diane P. Barton, Amy Kirke, Grant Johnson, Geoff Boxshall

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Abstract

Female specimens of the newly described mesoparasitic copepod Tripaphylus squidwardi (Sphyriidae), collected from the Australian blackspot shark, Carcharhinus coatesi, off northern Australia were examined histologically. The ‘encapsulated’ head of the copepod was found in the ventral musculature of the throat of the shark. The head of the copepod was surrounded by a tissue capsule of unknown origin. There were signs of chronic inflammation associated with the infection, although there appeared to be no effect on the health of the shark.

Original languageEnglish
Pages (from-to)3337-3340
Number of pages4
JournalParasitology Research
Volume121
Issue number11
Early online date12 Sept 2022
DOIs
Publication statusPublished - Nov 2022

Bibliographical note

Funding Information:
The authors are indebted to Mr Matthew Dorter, fisheries observer on the fishing vessels who was responsible for collecting many of the specimens, and crew operating Australia Bay Seafood’s vessels, the F.V. Ocean Harvest , F.V. Australian Bay II and the F.V. Territory Leader who also collected the shark specimens used in this project. In addition, the authors thank Aliesha Hvala for assistance with parasite collection and staff of the Veterinary Diagnostic Laboratory at Charles Sturt University for the histological preparation and interpretation.

Funding Information:
Open Access funding enabled and organized by CAUL and its Member Institutions This project was funded by Fisheries Research & Development Corporation grant 2020–036 for the collection of shark specimens and by the NT Department of Industry, Tourism and Trade for the processing of shark specimens and collection of parasites.

Publisher Copyright:
© 2022, The Author(s).

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