Data underlying the publication: Lack of Hematodinium microscopic detection in crustaceans at the northern and southern ends of the Wadden Sea and an update of its distribution in Europe
doi: 10.4121/3676d955-69c4-489c-b961-f59eade2e55d
CC0
Hematodinium is a parasitic dinoflagellate with a wide distribution along the European coastline. We investigated whether Hematodinium occurs in the Wadden Sea, a large tidal flat system spanning the Netherlands, Germany and Denmark, where to date no records exist. In total, we investigated eight different species from six sites at the southern (Texel, Netherlands) and northern ends (Sylt, Germany) of the system. Based on microscopic hemolymph screening, we did not detect Hematodinium in any of the 1252 investigated individuals. An extensive additional literature review revealed 1489 Hematodinium records in Europe from 14 crustacean species, most locally occurring at high prevalence. This makes our finding of lack of Hematodinium infections surprising and suggests that environmental factors such as a lower salinity may limit the distribution of Hematodimium at the investigated locations at both ends of the Wadden Sea. However, whether the entire Wadden Sea represents a distributional gap for Hematodinium remains to be investigated.
- 2023-12-12 first online, published, posted
NIOZ Royal Netherlands Institute for Sea Research, Department of Coastal Systems
University of Chinese Academy of Sciences, Beijing
Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research, Wadden Sea Research Station Sylt, Germany
Groningen Institute for Evolutionary Life Sciences (GELIFES), University of Groningen
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