Re-description and molecular characterisation of Choricotyle australiensis Roubal, Armitage & Rohde, 1983 (Monogenea
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Re-description and molecular characterisation of Choricotyle australiensis Roubal, Armitage & Rohde, 1983 (Monogenea: Diclidophoridae) infecting Chrysophrys auratus (Forster) (Perciformes: Sparidae) Md. Shafaet Hossen Shokoofeh Shamsi
. Diane P. Barton . Xiaocheng Zhu . Skye Wassens .
Received: 14 August 2019 / Accepted: 30 August 2020 Ó Springer Nature B.V. 2020
Abstract Choricotyle australiensis Roubal, Armitage & Rohde, 1983, a diclidophorid monogenean species, is redescribed and genetically characterised using the partial nuclear 28S ribosomal RNA gene (28S rRNA) and a fragment of mitochondrial cytochrome c oxidase subunit 1 (cox1) gene sequences for specimens collected from Chrysophrys auratus (Forster) off Australia and New Zealand. Previous studies have either provided morphological or genetic results, whereas this study
combines morphological and advanced molecular methods. A total of 70 Ch. auratus were examined with 22 individuals of C. australiensis recovered from the gills (overall prevalence of 23%). This study has provided the first evidence for the exploration of mitochondrial cox1 region for C. australiensis. Comparison of the newly generated sequences with other available data supported the distinction of C. australiensis among diclidophorid Furhmann, 1928 species thus confirming its taxonomic status.
This article is part of the Topical Collection Monogenea.
Introduction Electronic supplementary material The online version of this article (https://doi.org/10.1007/s11230-020-09950-4) contains supplementary material, which is available to authorized users. Md. S. Hossen (&) D. P. Barton X. Zhu S. Shamsi School of Animal and Veterinary Sciences & Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2678, Australia e-mail: [email protected] S. Shamsi e-mail: [email protected] Md. S. Hossen Department of Fisheries Biology and Genetics, Bangladesh Agricultural University, Mymensingh 2202, Bangladesh S. Wassens School of Environmental Sciences & Institute of Land, Water and Society, Charles Sturt University, Albury, NSW 2640, Australia
Chrysophrys auratus (Forster) is a large demersal predatory finfish of the family Sparidae Rafinesque (Order Perciformes). It is widely distributed in the warm to temperate Indo-Pacific waters which occur off New Zealand, Australia, Philippines, Indonesia, China (including Taiwan) and Japan (Paulin, 1990) at depths of 0–200 m. In the Southern Hemisphere, Ch. auratus is found in temperate to subtropical waters of the southern Great Barrier Reef, Lord Howe, and Norfolk Islands, whereas in the Northern Hemisphere it associated with temperate to tropical areas, penetrating nearly to the Equator in Indonesia (Paulin 1990). Chrysophrys auratus is also an iconic target species for recreational and commercial fisherman in each of the mainland states of Australia (Thurstan et al., 2016; Morgan et al., 2019) due to its quality of flesh (Gommon et al., 2008). This species has also
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