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Did the Indo-Pacific leptomedusa Lovenella assimilis (Browne, 1905) or Eucheilota menoni Kramp, 1959 invade northern European marine waters? Morphological and genetic approaches
Brylinski, J.; Li, L.; Vansteenbrugge, L.; Antajan, E.; Hoffman, S.; Van Ginderdeuren, K.; Vincent, D. (2016). Did the Indo-Pacific leptomedusa Lovenella assimilis (Browne, 1905) or Eucheilota menoni Kramp, 1959 invade northern European marine waters? Morphological and genetic approaches. Aquat. Invasions 11(1): 21-32. dx.doi.org/10.3391/ai.2016.11.1.03
In: Aquatic Invasions. Regional Euro-Asian Biological Invasions Centre (REABIC): Helsinki. ISSN 1798-6540; e-ISSN 1818-5487
Peer reviewed article  
Available in  Authors 
    Vlaams Instituut voor de Zee: Open access 291699 [ download pdf ]
Keywords
    Eucheilota menoni Kramp, 1959 [WoRMS]; Hydrozoa [WoRMS]; Lovenella assimilis (Browne, 1905) [WoRMS]
    Marine/Coastal
Author keywords
    non-indigenous species (NIS); jellyfish; Hydrozoa; Lovenella assimilis;Eucheilota menoni
Authors  Top 
  • Brylinski, J.
  • Li, L.
  • Vansteenbrugge, L.
  • Antajan, E.
  • Hoffman, S.
  • Van Ginderdeuren, K.
  • Vincent, D.
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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