Caligus madeirensis  sp. nov. (Copepoda: Caligidae) Parasitic on Pompano,  Trachinotus ovatus  (Linnaeus, 1758), from Eastern Atlantic Waters, Surrounding the Madeira Archipelago, Portugal

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Abstract

Introduction

A new species of the genus Caligus is described based on specimens collected from pompano, Trachinotus ovatus (Linnaeus), caught in eastern Atlantic waters, near the Madeira archipelago.

Methods

Pompano ( n = 21) were purchased from the local fish market and examined for parasitic copepods. Morphological features of the copepods were examined and drawn using an Olympus BX51 equipped with a drawing tube. Key diagnostic characters were scanned using a confocal laser scanning microscope and a scanning electron microscope.

Results

Caligus madeirensis sp. nov., can be distinguished from all congeners (270 spp.) by the combination of the following characters: (i) an accessory process on the 3 outer terminal spines located on the distal exopodal segment of leg 1, (ii) a mandible with 14 teeth, (iii) a sternal furca with parallel, spatulate tines, (iv) a maxilliped with 2 simple setae at base of a claw, (v) a leg 3 with second endopodal segment with 5 pinnate setae, (vi) a 2-segmented leg 4 exopod with I; III spine formula, (vii) a male antenna with 4 overlapping plates on the distal segment, (viii) a male maxilliped corpus bearing a prominent myxal process ornamented with dense corrugations along inner margin.

Conclusion

Together with Caligus madeirensis sp. nov., the Caligus fauna of Portugal consists of 13 species reported from 17 Portuguese marine fishes. Considering the large number of marine fish species (510 spp.) currently recorded from Portuguese waters it seems that only 3.3% of the Portuguese marine fishes have been found to be infested with species of the genus Caligus O.F. Müller, 1758, the result of which, however, might be due to limited sampling.

Electronic supplementary material

The online version of this article (10.1007/s11686-020-00290-3) contains supplementary material, which is available to authorized users.

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Most cited references 35

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Techniques for Preparing Crustaceans for Scanning Electron Microscopy

Bruce Felgenhauer (1987)

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Some Digenetic Trematodes of Marine Fishes from Israel's Mediterranean Coast and Their Zoogeography, Especially Those from Red Sea Immigrant Fishes

JACOB H. FISCHTHAL (1980)

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Transcriptome Analysis of the Trachinotus ovatus: Identification of Reproduction, Growth and Immune-Related Genes and Microsatellite Markers

Xie Zhenzhen, Xiao-ting Ling, Wang Dengdong … (2014)

Background The Trachinotus ovatus (Teleostei, Carangidae) is an economically important marine fish species in the world. However, the lack of genomic information regarding this species limits our understanding of the genetics and biological mechanisms in Trachinotus ovatus. In this study, high throughput transcriptome sequencing was used to obtain comprehensive genomic information in Trachinotus ovatus. Principal Findings Transcriptome sequencing was performed by using Illumina paired-end sequencing technology. The 98,534,862 high quality reads were yielded, and were de novo assembled into 156,094 unigenes with an average sequence length of 1179 bp. Transcriptome annotation revealed that 75,586 and 67,923 unigenes were functionally annotated in the NCBI non-redundant database and Swiss-Prot protein database, respectively. Functional analysis demonstrated that 67,923 unigenes were grouped into 25 Cluster of Orthologous Groups (COG) functional categories, 37,976 unigenes were clustered into 61 Gene Ontology (GO) terms, and 38,172 unigenes were assigned to 275 different Kyoto Encyclopedia of Genes and Genomes (KEGG) pathways. Based on the transcriptome dataset, a large number of unigenes associated with reproduction, growth and immunity were identified. Furthermore, a total number of 38,794 simple sequence repeats (SSRs) were discovered and 16 polymorphic loci were characterized in Trachinotus ovatus. Conclusion/Significance The present study is the first transcriptome analysis of a fish species belonging to the genus Trachinotus and provides a valuable genomic resource for novel gene discovery, gene expression and regulation studies, and the identification of genetic markers in Trachinotus ovatus and the other fish of the genus Trachinotus.

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Author and article information

Contributors

Ilhem Hamdi:

ORCID: http://orcid.org/0000-0002-5297-7417

ilhemha@hotmail.fr

Margarida Hermida:

ORCID: http://orcid.org/0000-0002-0259-109X

margarida.hermida@mare-centre.pt

Seyit Ali Kamanli:

ORCID: http://orcid.org/0000-0002-9118-4591

alikamanli06@gmail.com

Bouchra Benmansour:

ORCID: http://orcid.org/0000-0001-8315-3309

Bouchrabenmansour85@gmail.com

Argun Akif Özak:

ORCID: http://orcid.org/0000-0001-6743-4178

ozargun@gmail.com , ozargun@cu.edu.tr

Geoffrey Allan Boxshall:

ORCID: http://orcid.org/0000-0001-8170-7734

g.boxshall@nhm.ac.uk

Journal

Journal ID (nlm-ta): Acta Parasitol

Journal ID (iso-abbrev): Acta Parasitol

Title: Acta Parasitologica

Publisher: Springer International Publishing (Cham )

ISSN (Print): 1230-2821

ISSN (Electronic): 1896-1851

Publication date (Electronic): 30 September 2020

Pages: 1-16

Affiliations

[1 ]GRID grid.12574.35, ISNI 0000000122959819, Laboratory of Biodiversity, Parasitology and Ecology of Aquatic Ecosystems, Faculty of Sciences of Tunis, , University of Tunis El Manar, ; 2092 Tunis, Tunisia

[2 ]GRID grid.437621.5, Oceanic Observatory of Madeira, Agência Regional Para O Desenvolvimento da Investigação Tecnologia E Inovação. Edifício Madeira Tecnopolo, ; Funchal, Portugal

[3 ]GRID grid.411761.4, ISNI 0000 0004 0386 420X, Department of Biology, Faculty of Art and Science, , Burdur Mehmet Akif Ersoy University, ; 15030 Burdur, Turkey

[4 ]GRID grid.98622.37, ISNI 0000 0001 2271 3229, Department of Aquaculture and Fish Diseases, Faculty of Fisheries, , Cukurova University, ; 01330 Sarıcam, Adana Turkey

[5 ]GRID grid.35937.3b, ISNI 0000 0001 2270 9879, Department of Life Sciences, , Natural History Museum, ; Cromwell Road, London, SW7 5BD UK

Author information

Ilhem Hamdi http://orcid.org/0000-0002-5297-7417

Margarida Hermida http://orcid.org/0000-0002-0259-109X

Seyit Ali Kamanli http://orcid.org/0000-0002-9118-4591

Bouchra Benmansour http://orcid.org/0000-0001-8315-3309

Argun Akif Özak http://orcid.org/0000-0001-6743-4178

Geoffrey Allan Boxshall http://orcid.org/0000-0001-8170-7734

Article

Publisher ID: 290

DOI: 10.1007/s11686-020-00290-3

PMC ID: 7526516

PubMed ID: 32997241

SO-VID: 268d4520-6742-4ce6-839b-fe1f5ce619bb

License:

This article is made available via the PMC Open Access Subset for unrestricted research re-use and secondary analysis in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the World Health Organization (WHO) declaration of COVID-19 as a global pandemic.

History

Date received : 28 April 2020

Date accepted : 22 September 2020

Funding

Funded by: FundRef http://dx.doi.org/10.13039/100012964, Ministère de l’Enseignement Supérieur et de la Recherche Scientifique;

Funded by: Oceanic Observatory of Madeira (PT)

Award ID: M1420-01-0145-FEDER-000001

Award Recipient : Margarida Hermida

Caligus madeirensis sp. nov. (Copepoda: Caligidae) Parasitic on Pompano, Trachinotus ovatus (Linnaeus, 1758), from Eastern Atlantic Waters, Surrounding the Madeira Archipelago, Portugal

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Abstract

Introduction

Methods

Results

Conclusion

Electronic supplementary material

Related collections

SciELO Portugal

Most cited references 35

Techniques for Preparing Crustaceans for Scanning Electron Microscopy

Some Digenetic Trematodes of Marine Fishes from Israel's Mediterranean Coast and Their Zoogeography, Especially Those from Red Sea Immigrant Fishes

Transcriptome Analysis of the Trachinotus ovatus: Identification of Reproduction, Growth and Immune-Related Genes and Microsatellite Markers

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