Biological Invasions

, Volume 15, Issue 5, pp 977–990 | Cite as

Fistularia commersonii in the Mediterranean Sea: invasion history and distribution modeling based on presence-only records

  • E. Azzurro
  • S. Soto
  • G. Garofalo
  • F. Maynou
Original Paper


The bluespotted cornetfish (Fistularia commersonii) (Osteichtyes, Fistulariidae) is considered to be one of the most invasive species of the Mediterranean Sea and Europe but only scattered information exists on its distribution and abundance. Here we collated the available species records, following its first detection in the Mediterranean Sea, in January 2000, until October 2011. A total of 191 observations were used to reconstruct the invasion sequence, to provide estimates of the rate of spread and to construct an environmental suitability model based on six biophysical variables and the maximum entropy approach. The results showed that colonization of the Mediterranean Sea proceeded in parallel along the southern and northern rim of the Basin at speeds that reached 1,000–1,500 km year−1 with a clear decrease in the rate of spread at the Sicily Strait. The most important explanatory variables for describing the distribution of F. commersonii were mean depth (explaining 32.4 % of the data variance), chlorophyll-a (29.3 %), and salinity (18.4 %). Coastal areas with relatively low chlorophyll-a concentrations and high salinity were the preferred habitat of the bluespotted cornetfish in its invaded range. Conversely, extreme productivity (highly eutrophic or highly oligotrophic), low salinity and cold temperatures provided abiotic resistance to this invasion. Areas of high environmental suitability were identified along the northern coasts of the Levantine Sea, Dodecanese, Sicily Strait and Tyrrhenian Sea. In contrast, the north Aegean Sea, the Adriatic and the Alboran Sea, the Nile Delta, the western coasts of Egypt and Cyrenaica were unfavourable for the invasion. Despite some limits due to the model’s resolution scale, these general predictions provide new insights into the F. commersonii invasion, indicating abiotic factors of primary importance in shaping the distribution of this species in its invaded range.


Bluespotted cornetfish Lessepsian migration GIS Maximum entropy model Rate of spread Presence-only data 



We acknowledge the contribution of the VECTORS project, funded by European Community’s Seventh Framework Programme (FP7/2007-2013) under Grant Agreement No. 266445. We are indebted to Dr. Fabio Fiorentino and all the researchers that provided records of F. commersonii from different Mediterranean countries: M Corsini-Foka (Rhodes); M Camilleri (Malta); GB Giusto, F Maggiani, A Vazzana, E Mollica, S Avarino, P Battaglia, MPA Plemmirio, A Potosky (Italy); AA Hamza, H Hassan, B Abdallah, E Shakman, R Kinzelbach (Libya); MN Bradai (Tunisia).


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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  1. 1.ISPRANational Institute for Environmental Protection and ResearchLivornoItaly
  2. 2.Institut de Ciències del Mar (CSIC) Passeig Marítim de la BarcelonetaBarcelonaSpain
  3. 3.IAMC-CNRInstitute for Coastal Marine EnvironmentMazara del ValloItaly

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