Did the Indo-Pacific leptomedusa Lovenella assimilis (Browne, 1905) or Eucheilota menoni Kramp, 1959 invade northern European marine waters? Morphological and genetic approaches

Type Article
Date 2016-03
Language English
Author(s) Brylinski Jean-Michel1, Li Luen-Luen1, Vansteenbrugge Lies2, 3, Antajan ElvireORCID4, Hoffman Stefan2, Van Ginderdeuren Karl2, Vincent Dorothee1
Affiliation(s) 1 : Univ Littoral Cote dOpale, Univ Lille, CNRS, Lab Oceanol & Geosci,UMR 8187, F-62930 Wimereux, France.
2 : Inst Agr & Fisheries Res ILVO, Anim Sci Unit, Aquat Environm & Qual, Ankerstr 1, B-8400 Oostende, Belgium.
3 : Univ Ghent, Marine Biol Sect, Sterre Campus,Krijglaan 281-S8, B-9000 Ghent, Belgium.
4 : IFREMER, 150 Quai Gambetta, F-62321 Boulogne Sur Mer, France.
Source Aquatic Invasions (1798-6540) (Regional Euro-asian Biological Invasions Centre-reabic), 2016-03 , Vol. 11 , N. 1 , P. 21-32
DOI 10.3391/ai.2016.11.1.03
WOS© Times Cited 1
Keyword(s) non-indigenous species (NIS), jellyfish, Hydrozoa, Lovenella assimilis, Eucheilota menoni
Abstract Hydromedusae, morphologically resembling the Indo-Pacific leptomedusa Lovenella assimilis (Browne, 1905) (Cnidaria: Hydrozoa: Lovenellidae), are reported for the first time in both the eastern English Channel and the southern bight of the North Sea. Analyses of past zooplankton samples from a long-term monitoring program suggest that this non-indigenous species has been present in the eastern English Channel at least since 2007. Genetic analyses identified specimens as Eucheilota menoni based on nearly identical 18S ribosomal RNA gene, mitochondrial cytochrome oxydase subunit gene I (COI) sequences, and 16S Ribosomal RNA gene. Consequently, published morphological descriptions of L. assimilis and E. menoni were compared, and their species status is discussed with regard to morphological and genetic evidence. In conclusion we suggest synonymizing these 2 indistinguishable species.
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Brylinski Jean-Michel, Li Luen-Luen, Vansteenbrugge Lies, Antajan Elvire, Hoffman Stefan, Van Ginderdeuren Karl, Vincent Dorothee (2016). Did the Indo-Pacific leptomedusa Lovenella assimilis (Browne, 1905) or Eucheilota menoni Kramp, 1959 invade northern European marine waters? Morphological and genetic approaches. Aquatic Invasions, 11(1), 21-32. Publisher's official version : https://doi.org/10.3391/ai.2016.11.1.03 , Open Access version : https://archimer.ifremer.fr/doc/00285/39646/