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<i>Rhopilema nomadica</i> in the Mediterranean: molecular evidence for migration and ecological hypothesis regarding its proliferation

Abstract

Abstract Since it was first observed in Israel in the 1970s, the ‘nomad jellyfish’ Rhopilema nomadica has established a reputation as one of the worst invasive species in the Mediterranean Sea. It was assumed to originate in the Red Sea, or in the Indo-Pacific region, but in the absence of additional reports of live specimens outside the Mediterranean, its origins remained a mystery. Here, via molecular analysis, we present the first verified results of the existence of R. nomadica in the Western Indian Ocean. Moreover, using additional evidence from Cassiopea andromeda and R. nomadica , we propose that the construction of the Aswan High Dam may have led to the proliferation of R. nomadica in the Levantine Basin.

Research topics

  • Marine Invertebrate Physiology and Ecology
  • Marine Ecology and Invasive Species
  • Parasite Biology and Host Interactions

Sustainable Development Goals

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DOI: 10.1101/2024.09.06.610623

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