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Acta Parasitologica

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Volume 63, Issue 1


Scanning electron microscopy study of Strabax monstrosus von Nordmann, 1864 (Copepoda: Chondracanthidae) from Tunisian waters and histopathological study of its effects on host

Myriam Garbouj
  • Corresponding author
  • Research Unit of Integrative Biology and Evolutionary and Functional Ecology of Aquatic Systems, Faculty of Sciences of Tunis, University of Tunis El Manar, El Manar I, 2092 Tunis, Tunisia
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  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Bouchra Benmansour
  • Research Unit of Integrative Biology and Evolutionary and Functional Ecology of Aquatic Systems, Faculty of Sciences of Tunis, University of Tunis El Manar, El Manar I, 2092 Tunis, Tunisia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
/ Yann Quilichini
  • Parasites and Mediterranean Ecosystems Laboratory, Faculty of Sciences and Techniques, University of Corsica Pascal Paoli, Corte, France
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  • De Gruyter OnlineGoogle Scholar
/ Sihem Bahri
  • Research Unit of Integrative Biology and Evolutionary and Functional Ecology of Aquatic Systems, Faculty of Sciences of Tunis, University of Tunis El Manar, El Manar I, 2092 Tunis, Tunisia
  • Other articles by this author:
  • De Gruyter OnlineGoogle Scholar
Published Online: 2018-01-17 | DOI: https://doi.org/10.1515/ap-2018-0008


Strabax monstrosus von Nordmann, 1864 (Copepoda: Chondracanthidae) is an ectoparasite and it was recently recorded from small red scorpionfish, Scorpaena notata Rafinesque, and red scorpionfish, Scorpaena scrofa L., collected from Tunisian coastal waters. Copepod females were found deeply embedded in the branchial cavity reaching the cardiac region with their mouth-parts. Observations of females and males using scanning electron microscopy showed a number of morphological features that have been previously overlooked or incompletely presented. In this study, we report for the first time the fine structures of appendages, mouthparts, external genital organs (nuptial organs), and other structures of male and female Strabax monstrosus. Histopathological study showed lesions in the cardiac region of the host fish which is the target site of the parasite. The presently reported finding is the first record of Strabax monstrosus from Scorpaena notata and Scorpaena scrofa collected from Tunisian waters.

Keywords: Strabax monstrosus; Scorpaena notata; Scorpaena scrofa; scanning electron microscopy; histopathology; Tunisian waters


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About the article

Received: 2017-07-05

Revised: 2017-09-20

Accepted: 2017-10-12

Published Online: 2018-01-17

Published in Print: 2018-03-26

Conflict of interest: The authors declare that they have no conflict of interest.

Citation Information: Acta Parasitologica, Volume 63, Issue 1, Pages 65–74, ISSN (Online) 1896-1851, ISSN (Print) 1230-2821, DOI: https://doi.org/10.1515/ap-2018-0008.

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