New Gyrodactylus Species (Monopisthocotyla: Gyrodactylidae) on Freshwater Goby Rhinogobius giurinus (Perciformes: Gobiidae) in China.

Hongbo Nie, Zhiyu Lin, Zhizhen Liu, Jia Cai, Kwaku Amoah, Xiao Jin, Jichang Jian

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Article in Acta parasitologica, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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7 authors.

Hongbo NieGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China.

Zhiyu LinGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China.

Zhizhen LiuGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China.

Jia CaiGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China.

Kwaku AmoahGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China.

Xiao JinGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China. jinxiao360@gmail.com.

Jichang JianGuangdong Provincial Key Laboratory of Aquatic Animal Disease Control and Healthy Culture, Key Laboratory of Marine Ecology and Aquaculture Environment of Zhanjiang, College of Fisheries, Guangdong Ocean University, Zhanjiang, 524088, People's Republic of China.

Funding

Fund of Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang) ZJW-2024-14program for scientific research start-up funds of Guangdong Ocean University 060302022309

6 · The paper itself

Abstract

purposeMonogeneans of the genus Gyrodactylus von Nordmann, 1832 are common parasites of fish. In this study, we describe a new species from the goby Rhinogobius giurinus in China, based on morphological and molecular data.

methodsGyrodactylids were collected from R. giurinus in three provinces (Hubei, Hunan and Yunnan) of China, stained and examined under light microscopy. Morphological descriptions were prepared and compared with the related species through detailed drawings and precise point-to-point measurements. The ribosomal internal transcribed spacer (ITS; ITS1–5.8 S–ITS2), 18 S rDNA and mitochondrial cox1 markers were sequenced for interspecific and intraspecific comparison and phylogenetic analysis.

resultsGyrodactylus xiaehu n. sp., is characterized by its opisthaptoral hard parts morphology, including a broad heel with a thin-pointed marginal hook sickle, a long ventral bar process, and a heavily curved hamulus root. These features are consistent with the G. orecchiae group species parasitizing a broad range of fishes in marine environments, evidenced by the ITS rDNA phylogenetic analyses.

conclusionThe new species is a broadly distributed freshwater species that maintains a close evolutionary relationship with marine lineages, suggesting the marine-to-freshwater history of its host.

Indexed as

Fish DiseasesPerciformesTrematodaTrematode InfectionsAnimalsChinaDNA, HelminthDNA, RibosomalDNA, Ribosomal SpacerFresh WaterMicroscopyPhylogenySequence Analysis, DNADNA, HelminthDNA, RibosomalDNA, Ribosomal SpacerFish parasiteMolecular phylogenyMonogeneaTaxonomy

Identifiers

PMID41874746

DOI10.1016/j.ijpara.2006.11.015

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