Caligus tunisiensis n. sp. (Copepoda: Caligidae) parasitic on the painted comber Serranus scriba (L.) (Perciformes: Serr
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Caligus tunisiensis n. sp. (Copepoda: Caligidae) parasitic on the painted comber Serranus scriba (L.) (Perciformes: Serranidae) from the Mediterranean Sea, off the Tunisian coast Ilhem Hamdi . Bouchra Benmansour ¨ zak Seyit Ali Kamanli . Argun Akif O
. Sabiha Zouari-Tlig . . Geoffrey Allan Boxshall
Received: 28 April 2020 / Accepted: 25 September 2020 Springer Nature B.V. 2020
Abstract A new species of parasitic copepod, Caligus tunisiensis n. sp. (Caligidae), is described based on two female specimens collected from the gills of the painted comber, Serranus scriba (L.), caught in the Mediterranean Sea, off the Tunisian coasts. The new species belongs to the Caligus productus-species group established by Boxshall & Gurney (1980) as it shares the following set of character states: (i) antenna with well-developed posterior process on proximal segment; (ii) posterior margin of distal exopodal This article was registered in the Official Register of Zoological Nomenclature (ZooBank) as urn:lsid:zoobank.org:pub:52DE D220-87AF-4E66-B7D0-125055514C7A. This article was published as an Online First article on the online publication date shown on this page. The article should be cited by using the doi number. This is the Version of Record.
Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11230-020-09959-9) contains supplementary material, which is available to authorized users. I. Hamdi B. Benmansour S. Zouari-Tlig Laboratory of Biodiversity, Parasitology and Ecology of Aquatic Ecosystems, Faculty of Sciences of Tunis, University of Tunis El Manar, Tunis 2092, Tunisia S. A. Kamanli Department of Biology, Faculty of Art and Science, Burdur Mehmet Akif Ersoy University, Burdur 15030, Turkey
segment of leg 1 lacking typical plumose setae, or retaining single vestigial seta; and (iii) 2-segmented exopod of leg 4 armed with IV spines on compound distal exopodal segment. Detailed morphological comparisons between the new species and the core members of the C. productus-species group revealed that the new species closely resembles with C. productus Dana, 1852 and C. temnodontis Brian, 1924. However, the new species can be distinguished from its congeners in having: (i) a female maxilliped bearing a prominent bi-lobate myxal process, opposing tip of the claw; (ii) leg 4 protopod ornamented with a patch of spinules on the posterolateral surface; and (iii) an abdomen ornamented with two rows of minute spinules at the posterolateral corners.
Introduction Copepods belonging to the family Caligidae Burmeister, 1835 are ectoparasites utilising predominantly ¨ zak (&) A. A. O Department of Aquaculture and Fish Diseases, Faculty of Fisheries, Cukurova University, Sarıcam, Adana 01330, Turkey e-mail: [email protected]; [email protected] G. A. Boxshall Department of Life Sciences, Natural History Museum, Crowell Road, London SW7 5BD, UK
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marine and brackish water fishes as their hosts (Boxshall, 2018). The family curre
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