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Yurakhno VM, Ha VT, Whipps CM. Phylogenetic analysis of Ellipsomyxa species (Myxosporea) and description of Ellipsomyxa gordeyi n. sp. from the gall bladder of mullets (Mugiliformes: Mugilidae) in Nha Trang Bay of the East Sea, Vietnam. Parasitol Int 2024; 102:102918. [PMID: 38945391 DOI: 10.1016/j.parint.2024.102918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 06/26/2024] [Accepted: 06/27/2024] [Indexed: 07/02/2024]
Abstract
The coastal waters of Vietnam are home to a wide diversity of fishes, but the parasite diversity of these potential hosts is much less well characterized. To begin addressing this knowledge gap, we carried out surveys of myxozoan parasites in fishes collected from Nha Trang Bay in Vietnam's East Sea in 2018-2019. Mugilid fishes were collected in March-April 2018, January-February 2019, and November-December 2019, and examined for myxozoans. Myxospores consistent with those of the genus Ellipsomyxa were found in the gall bladder of four mullet species, and we thoroughly characterized those from Planiliza melinoptera. Myxospores were elliptoid and devoid of striation, with a distinct sinuous suture line. Polar capsules were pyriform and oriented toward the poles of the spore. Morphological features were compared to nominal species and this species from Vietnam was distinct. Phylogenetic analysis based on partial small subunit rDNA sequence revealed that broadly, Ellipsomyxa species split into three phylogenetic lineages, and although in some branches there are groupings by host family, habitat or locality, there are no clear phylogenetic patterns. The new species we encountered in P. melinoptera had a close sister relationship with Ellipsomyxa adlardi, with both species part of a larger subclade within the Ellipsomyxa lineage. Despite this phylogenetic similarity, these species were morphologically distinct, and partial large subunit DNA sequences were only 93% similar to each other. A combination of the morphological characteristics and molecular data suggest that this is an undescribed species and we propose the name Ellipsomyxa gordeyi n. sp.
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Affiliation(s)
- Violetta M Yurakhno
- A. O. Kovalevsky Institute of Biology of the Southern Seas of RAS, 2 Nakhimov av., 299011 Sevastopol, Russian Federation
| | - Vo Thi Ha
- Coastal Branch of the Joint Vietnam - Russia Tropical Science and Technology Research Center, 30 Nguyen Thien Thuat, Nha Trang, Khanh Hoa, Viet Nam
| | - Christopher M Whipps
- SUNY-ESF, State University of New York College of Environmental Science and Forestry, Environmental Biology, 1 Forestry Drive, Syracuse, New York 13210, USA.
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Amin OM, Chaudhary A, Sharifdini M, Singh HS. First molecular description of Neorhadinorhynchus nudus (Acanthocephala: Cavisomidae) from fish in the pacific coast of Vietnam, with notes on biogeography. Syst Parasitol 2024; 101:23. [PMID: 38407667 DOI: 10.1007/s11230-023-10139-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/11/2023] [Indexed: 02/27/2024]
Abstract
Neorhadinorhynchus nudus (Harada, 1938) Yamaguti, 1939 (Cavisomidae) was morphologically described from the frigate tuna Auxis thazard (Lacépède) (Scombridae) in Nha Trang, Pacific south Vietnam. Females of N. nudus were fully described for the first time in the Pacific. Its original inadequate description as Rhadinorhynchus nudus (Harada, 1938) was corrected in material from Fiji Island, the Red Sea and Pacific Vietnam and errors in the text and line drawings of Harada were repeated in subsequent major publications where it underwent considerable nomenclature changes. New descriptive and biogeographical notes are included. We also provided here the molecular characterization of the nuclear gene (18S) and the mitochondrial cytochrome c oxidase subunit 1 (cox1) sequence data of N. nudus. Furthermore, to elucidate the phylogenetic relationship of N. nudus within the family Cavisomidae and with other isolates were performed incorporating nuclear (18S) and mitochondrial (cox1) sequence data using maximum likelihood (ML) and Bayesian inference (BI). The phylogenetic results showed that N. nudus has a relationship with other isolates of the same species and the median-joining network showed the pattern of haplotypes that reflected the structure of the populations.
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Affiliation(s)
- Omar M Amin
- Institute of Parasitic Diseases, 11445 E. Via Linda, # 2-419, Scottsdale, AZ, 85259, USA.
| | - Anshu Chaudhary
- Molecular Taxonomy Laboratory, Department of Zoology, Chaudhary Charan Singh University, Meerut, Uttar Pradesh, 250004, India
| | - Meysam Sharifdini
- Department of Medical Parasitology and Mycology, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Hridaya S Singh
- Molecular Taxonomy Laboratory, Department of Zoology, Chaudhary Charan Singh University, Meerut, Uttar Pradesh, 250004, India
- Maa Shakumbhari University, Punwarka, Saharanpur, Uttar Pradesh, 247120, India
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Ismail N, Nishida Y, Ohtsuka S, Boxshall G, Bernot JP. First record of Caligusdussumieri Rangnekar, 1957 (Copepoda, Siphonostomatoida, Caligidae) from Malaysia, with notes on caligids found from Malaysia and on host-specificity of caligids on lutjanid fishes. Biodivers Data J 2024; 12:e116598. [PMID: 38420188 PMCID: PMC10900116 DOI: 10.3897/bdj.12.e116598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 01/12/2024] [Indexed: 03/02/2024] Open
Abstract
Background In total, 14 species of Caligus have been reported from Malaysia. Amongst them, four species are reported from lutjanid fishes. New information Caligusdussumieri Rangnekar, 1957 is reported from Malabar snapper, Lutjanusmalabaricus, purchased from a local wet market in Terengganu, Peninsular Malaysia. This is the first record of this species in Malaysia and it is only the second species assigned to the bonito-group of the genus Caligus to be reported from Malaysia. A key to species of the bonito-group is presented herein. The list of caligids infecting lutjanid fishes and the geographical distributions plus the known hosts of members of the bonito-group of Caligus are discussed.
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Affiliation(s)
- Norshida Ismail
- Faculty of Bioresources and Food Industry, Universiti Sultan Zainal Abidin, 22200, Besut, Terengganu, Malaysia Faculty of Bioresources and Food Industry, Universiti Sultan Zainal Abidin, 22200, Besut Terengganu Malaysia
| | - Yusuke Nishida
- Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, 739-8528, Hiroshima, Japan Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, 739-8528 Hiroshima Japan
| | - Susumu Ohtsuka
- Blue Innovation Division, Seto Inland Sea Carbon Neutral Research Center, 5-8-1 Minato-machi, Takehara, 725-0024, Hiroshima, Japan Blue Innovation Division, Seto Inland Sea Carbon Neutral Research Center, 5-8-1 Minato-machi, Takehara, 725-0024 Hiroshima Japan
- Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, 739-8528, Hiroshima, Japan Graduate School of Integrated Sciences for Life, Hiroshima University, 1-4-4 Kagamiyama, Higashi-Hiroshima, 739-8528 Hiroshima Japan
| | - Geoff Boxshall
- Department of Life Sciences, The Natural History Museum, Cromwell Road, London SW7 5BD, UK., London, United Kingdom Department of Life Sciences, The Natural History Museum, Cromwell Road, London SW7 5BD, UK. London United Kingdom
| | - James P Bernot
- Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, 20560, Washington DC, United States of America Department of Invertebrate Zoology, National Museum of Natural History, Smithsonian Institution, 20560 Washington DC United States of America
- Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, 06269, Connecticut, United States of America Department of Ecology and Evolutionary Biology, University of Connecticut, Storrs, 06269 Connecticut United States of America
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Nguyen HHT, Van Nguyen H, Van Hien H, Chinh NN, Truong VTT, Van Kim V, Hoai TD, Duc PP, Greiman SE, Nguyen HM. Marine fish parasites in the Cat Ba Archipelago, Vietnam: the results of 2010-2023 field surveys. Syst Parasitol 2024; 101:20. [PMID: 38351396 DOI: 10.1007/s11230-023-10145-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 12/19/2023] [Indexed: 02/16/2024]
Abstract
Between 2010 and 2023, a longitudinal study was undertaken to uncover the diversity of the parasite fauna of marine fishes in the Cat Ba Archipelago, a world biosphere reserve, in Vietnam. A total of 1,042 specimens representing 80 different fish species were collected and examined. Of these, 68 fish species, represented by 994 specimens (95.39%), were infected with parasites. A total of 162 parasitic species were discovered, including 54 trematodes, 37 monogeneans, 27 crustaceans, 15 myxozoans, 10 acanthocephalans, 10 nematodes, 7 cestodes, and 2 hirudineans. Over the course of the survey, twenty new species were described, including 7 acanthocephalans and 13 trematodes. Additionally, twenty species were recorded for the first time from the Cat Ba Archipelago and twenty-two species had new host records reported. The prevalence and mean intensity of parasite infection were found to be unaffected by season. These data on the parasitic fauna of Cat Ba Archipelago not only expand our knowledge of the diversity of Vietnam, but also provide strong baseline data for measuring future change resulting from environmental perturbations.
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Affiliation(s)
- Hoang-Ha Thi Nguyen
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Ha Van Nguyen
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Hoang Van Hien
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Nguyen Ngoc Chinh
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | | | - Van Van Kim
- Faculty of Fisheries, Vietnam National University of Agriculture, Hanoi, Vietnam
| | - Truong Dinh Hoai
- Faculty of Fisheries, Vietnam National University of Agriculture, Hanoi, Vietnam
| | - Phuc Pham Duc
- Center for Public Health and Ecosystem Research, Hanoi University of Public Health, Hanoi, Vietnam
- Institute of Environmental Health and Sustainable Development, Hanoi, Vietnam
| | | | - Hung Manh Nguyen
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Hanoi, Vietnam.
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Chinh NN, Ha NTH, Doanh PN, Eiras JC, Whipps CM, Shirakashi S. Synopsis of myxosporean species (Cnidaria: Myxozoa) parasitizing fishes from Vietnam. Syst Parasitol 2023:10.1007/s11230-023-10090-8. [PMID: 37037969 DOI: 10.1007/s11230-023-10090-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Accepted: 03/26/2023] [Indexed: 04/12/2023]
Abstract
This paper provides an updated checklist of species-level identified myxosporeans from marine and freshwater fishes in Vietnam. The list includes 51 nominal species (38 marine and 13 freshwater) belonging to 9 genera: Myxobolus Bütschli, 1882 (26 species); Kudoa Meglitsch, 1947 (6 species); Henneguya Thélohan, 1892 (6 species); Thelohanellus Kudo, 1933 (5 species); Unicapsula Davis, 1924 (2 species); Ceratomyxa Thélohan, 1892 (2 species), Zschokkella Auerbach, 1909 (2 species); Auerbachia Meglitsch, 1960 (1 species), and Meglitschia Kovaleva, 1988 (1 species). For each parasite species, information on myxospore morphology, line drawings, fish hosts, infection sites, and collection locality in Vietnam are reported. Where available, we also provide GenBank accession numbers for nucleotide sequence data. In addition, taxonomic status of several species was discussed and Myxobolus eszterbaueri nom. nov. is proposed as a junior homonym for Myxobolus hakyi Baska, Voronin, Eszterbauer, Müller, Marton & Molnár 2009, which is preoccupied.
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Affiliation(s)
- Nguyen Ngoc Chinh
- Institute of Ecology and Biological Resources, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet st., Cau Giay dist., Hanoi, Vietnam.
| | - Nguyen Thi Hoang Ha
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet st., Cau Giay dist., Hanoi, Vietnam
| | - Pham Ngoc Doanh
- Institute of Ecology and Biological Resources, Graduate University of Science and Technology, Vietnam Academy of Science and Technology, 18 Hoang Quoc Viet st., Cau Giay dist., Hanoi, Vietnam
| | - Jorge C Eiras
- Centro Interdisciplinar de Investigação Marinha e Ambiental, Terminal de Cruzeiros do Porto de Leixões, Matosinhos, Portugal
- Ctamento de Biologia, Faculdade de Ciências, Universidade do Porto, Porto, Portugal
| | - Christopher M Whipps
- SUNY-ESF, State University of New York College of Environmental Science and Forestry, Environmental Biology, Syracuse, New York, USA
| | - Sho Shirakashi
- Aquaculture Research Institute, Kindai University, 3153 Shirahama, Nishimuro, Wakayama, 649-2211, Japan
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Moravec F, Fazaa HA, Ali AH, Saud HA. Five species of Philometra Costa, 1845 (Nematoda: Philometridae) newly recorded from marine fishes in Iraq, including the description of P. arabiensis sp. n. from the ovary of the shrimp scad Alepes djedaba (Carangidae). Folia Parasitol (Praha) 2022; 69. [PMID: 36598347 DOI: 10.14411/fp.2022.031] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Accepted: 10/18/2022] [Indexed: 12/23/2022]
Abstract
Recent examinations of some marine fishes from off the southern coast of Iraq revealed the presence of five species of Philometra Costa, 1845 (Nematoda: Philometridae): Philometra arabiensis sp. n. (males and females) from the ovary of the shrimp scad Alepes djedaba (Forsskål) (Carangidae, Carangiformes), Philometra psettoditis Moravec, Walter et Yuniar, 2012 (females) from the body cavity of the Indian halibut Psettodes erumei (Bloch et Schneider) (Psettodidae, Pleuronectiformes), Philometra terapontis Moravec, Gopalakrishnan, Rajkumar, Saravanakumar et Kaliyamoorthy, 2011 (female) from the ovary of the jarbua terapon Terapon jarbua (Forsskål) (Terapontidae, Centrarchiformes), Philometra sp. (females) from the ovary of the Arabian blackspot threadfin Polydactylus mullani (Hora) (Polynemidae, Carangariformes) and Philometra sp. 2 of Moravec et al. (2016a) (females) from the ovary and body cavity of the bartail flathead Platycephalus indicus (Linnaeus) (Platycephalidae, Perciformes). Philometra arabiensis sp. n. is mainly characterised by the length of spicules (198-243 µm) and gubernaculum (75-99 µm), the gubernaculum/spicule length ratio (1 : 2.33-2.79), the structure of the gubernaculum distal portion and the male caudal end, and the body length of males (1.86-2.73 mm). The present findings of P. psettoditis and P. terapontis in fishes of the Arabian Gulf represent new geographical records for these parasites.
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Affiliation(s)
- Frantisek Moravec
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Ceske Budejovice, Czech Republic
| | - Hassan A Fazaa
- Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Iraq.,Department of Animal Production, College of Agriculture, University of Muthana, Iraq
| | - Atheer H Ali
- Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Iraq
| | - Hussein A Saud
- Department of Fisheries and Marine Resources, College of Agriculture, University of Basrah, Iraq
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