Morphological and molecular characterization of Chloromyxum dasyatidis n. sp. (Myxosporea: Chloromyxidae) in the common stingray Dasyatis pastinaca (Linnaeus) from Tunisian waters (Central Mediterranean Sea)

• Type: Article in International Scientific Journal
• Date: 2023

Authors

Santos, MJ (Author) FCUP

Journal

Title: Systematic Parasitology

Vol. 100

Pages: 617-630

ISSN: 0165-5752

Publisher: Springer Nature

Indexing

ISI Web of Knowledge - 0 Citations

Scopus - 0 Citations

Other information

Authenticus ID: P-00Z-0RC

DOI: 10.1007/s11230-023-10111-6

Abstract (EN): A new species of Chloromyxum Mingazzini, 1890, C. dasyatidisn. sp., is described from the gallbladder of the elasmobranch fish Dasyatis pastinaca (Linnaeus) from the Mediterranean coast off Tunisia. Mature myxospores were subspherical measuring 13.0 +/- 0.3 (12.5-13.9) mu m in length, 11.3 +/- 0.5 (10.2-12.2) mu m in width, and 11.8 +/- 0.5 (11.4-12.7) mu m in thickness. Four pyriform polar capsules 4.4 +/- 0.3 (4.0-4.9) mu m long and 3.5 +/- 0.3 (3.0-3.8) mu m wide. Valves were ornamented by 5 to 7 elevated surface ridges and displayed short caudal filaments. Chloromyxum dasyatidisn. sp. had an overall prevalence of infection of 38.5%, with significant seasonal variation, being more prevalent during summer (60.0%) and autumn (70.8%). Phylogenetically, this species grouped within the Chloromyxum sensu stricto lineage, forming a small clade together with the genetically more similar species C. acuminatum and C. myolibati, both from stingray hosts.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 14