Marine Alien Species

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Marine Biology".

Deadline for manuscript submissions: 20 December 2025 | Viewed by 1263

Special Issue Editor


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Guest Editor
Department of Geosciences, Faculty of Science, University of Malta, Msida MSD 2080, Malta
Interests: marine benthic ecology; dynamics of marine alien species introductions; marine protected areas (MPAs); marine spatial planning (MSP); marine ecology impact assessment; marine environmental management; jellyfish blooms; citizen science
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Special Issue Information

Dear Colleagues,

Species introductions are considered by the United Nations to be the second leading cause of species extinctions, preceded only by the triad of habitat loss, overexploitation, and pollution. Species introductions also have a massive detrimental socio-economic impact on a global scale. According to the latest IPBES (Intergovernmental Panel on Biodiversity and Ecosystem Services) report on non-indigenous species, the Assessment Report on Invasive Alien Species and their Control, globally, a total of 37,000 species have been introduced via human activities to regions and biomes around the world, of which an estimated 3500 species are harmful invasive alien species. The annual global economic cost of invasive alien species exceeded USD 423 billion in 2019, with costs having at least quadrupled every decade since 1970. This Special Issue will showcase representative studies on the marine alien species that are currently impacting different sea environments around the world.

Prof. Dr. Alan Deidun
Guest Editor

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Keywords

  • invasive alien species (IAS)
  • non-indigenous species
  • non-native species
  • alien species
  • biogeographical shifts
  • introduction pathways
  • environmental management measures

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Published Papers (1 paper)

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Research

12 pages, 2233 KB  
Article
First Record of Sepioteuthis lessoniana from the Maltese Archipelago, with Further Notes on Its Occurrence in the Central Mediterranean Sea
by Alessio Marrone, Alan Deidun, Maria Corsini-Foka, Bruno Zava, Eleonora Tinto, Carmen Rizzo and Pietro Battaglia
J. Mar. Sci. Eng. 2025, 13(9), 1783; https://doi.org/10.3390/jmse13091783 - 16 Sep 2025
Viewed by 518
Abstract
The occurrence of the bigfin reef squid Sepioteuthis lessoniana, a Lessepsian migrant, is documented for the first time from the coastal waters off Malta, based on the collection of a single specimen reported through citizen science. The presence of this species in [...] Read more.
The occurrence of the bigfin reef squid Sepioteuthis lessoniana, a Lessepsian migrant, is documented for the first time from the coastal waters off Malta, based on the collection of a single specimen reported through citizen science. The presence of this species in the broader Strait of Sicily region is further confirmed by a morphometric assessment and genetic analysis of another individual captured off the Pelagian island of Lampedusa. Molecular identification using mitochondrial COI and 16S rRNA markers corroborates the taxonomic identification exercise as it aligns both specimens with Indo-Pacific clades of S. lessoniana. These records represent the first genetically verified occurrences of the species in both Maltese and Italian waters. The findings extend the known Mediterranean distribution of S. lessoniana, emphasizing the Strait of Sicily as an important monitoring region for Lessepsian migrants and highlighting the combined role of integrative taxonomy and citizen science in tracking non-indigenous species introductions. Full article
(This article belongs to the Special Issue Marine Alien Species)
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