Published January 1, 2020 | Version v1
Journal article Open

Unpublished Mediterranean records of marine alien and cryptogenic species

  • 1. Univ Aegean, Dept Marine Sci, Lofos Panepistimiou 81100, Mytilene, Greece
  • 2. Fdn Res & Technol Hellas FORTH, Inst Appl & Computat Math, Remote Sensing Lab, N Plastira 100, Iraklion 70013, Greece
  • 3. Tel Aviv Univ, Israel Natl Ctr Biodivers Studies, Steinhardt Museum Nat Hist, IL-69978 Tel Aviv, Israel
  • 4. Univ Tripoli, Fac Agr, Dept Aquaculture, Tripoli, Libya
  • 5. Tel Aviv Univ, George S Wise Fac Life Sci, Sch Zool, IL-69978 Tel Aviv, Israel
  • 6. Enalia Physis Environm Res Ctr, Acropoleos 2, CY-2101 Nicosia, Cyprus
  • 7. Natl Inst Biol, Marine Biol Stn Piran, Fornace 41, Piran 6330, Slovenia
  • 8. AZTI, Div Marine Res, Pasaia 20110, Spain
  • 9. ERA, Hexagon House,Spencer Hill,MRS 1441, Marsa, Malta
  • 10. Amer Univ Beirut, Dept Biol, Beirut 110236, Lebanon
  • 11. IMEDEA CSIC UIB, Mediterranean Inst Adv Studies, C Miquel Marques 21, Esporles 07190, Spain
  • 12. Univ Malta, Dept Biol, MSD-2080 Msida, Malta
  • 13. Marine & Environm Res MER Lab, 202 Amathountos Av,Block B,Off 13-14, Limassol, Cyprus
  • 14. Univ Corsica, EqEL, FRES 3041, UMR 6134, BP 52, F-20250 Corte, France

Description

Good datasets of geo-referenced records of alien species are a prerequisite for assessing the spatio-temporal dynamics of biological invasions, their invasive potential, and the magnitude of their impacts. However, with the exception of first records on a country level or wider regions, observations of species presence tend to remain unpublished, buried in scattered repositories or in the personal databases of experts. Through an initiative to collect, harmonize and make such unpublished data for marine alien and cryptogenic species in the Mediterranean Sea available, a large dataset comprising 5376 records was created. It includes records of 239 alien or cryptogenic taxa (192 Animalia, 24 Plantae, 23 Chromista) from 19 countries surrounding the Mediterranean Sea. In terms of records, the most reported Phyla in descending order were Chordata, Mollusca, Chlorophyta, Arthropoda, and Rhodophyta. The most recorded species was Caulerpa cylindracea, followed by Siganus luridus, Magallana sp. (cf. gigas or angulata) and Pterois miles. The dataset includes records from 1972 to 2020, with the highest number of records observed in 2018. Among the records of the dataset, Dictyota acutiloba is a first record for the Mediterranean Sea. Nine first country records are also included: the alga Caulerpa taxifolia var. distichophylla, the cube boxfish Ostracion cubicus, and the cleaner shrimp Urocaridella pulchella from Israel; the sponge Paraleucilla magna from Libya and Slovenia; the lumpfish Cyclopterus lumpus from Cyprus; the bryozoan Celleporaria vermiformis and the polychaetes Prionospio depauperata and Notomastus aberans from Malta.

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