Biological Invasions

, Volume 9, Issue 8, pp 887–896 | Cite as

Diet of the invasive piscivorous fish Fistularia commersonii in a recently colonized area of the eastern Mediterranean

  • S. Kalogirou
  • M. Corsini
  • G. Kondilatos
  • H. Wennhage
Orginal Paper


The composition of the diet of the Indo-Pacific cornetfish Fistularia commersonii from the SE Aegean Sea is described. The stomach contents of 245 specimens collected between September 2004 and March 2005 were examined. Dietary comparisons were made reflecting the relationship between diet composition, time of year, and fish size. Correlation between predator length and prey length was significant. The diet of the blue cornetfish consists of 96% by number and 99.95% by weight of fish. Size classification and habitat of prey groups (benthic, supra-benthic, and pelagic) showed that with increased body length the blue cornetfish extended its diet to larger prey and more generalist feeding. Spicara smaris, Boops boops, and Mullidae spp. were the most abundant prey by weight whereas a variety of small benthic fish (especially gobiids) and newly hatched fish constituted the largest number of prey items. Length–weight relationships for the cornetfish were investigated.


Fistulariacommersonii Diet composition Lessepsian migration Mediterranean Piscivor 


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Copyright information

© Springer Science+Business Media, Inc. 2007

Authors and Affiliations

  • S. Kalogirou
    • 1
  • M. Corsini
    • 2
  • G. Kondilatos
    • 2
  • H. Wennhage
    • 1
  1. 1.Department of Marine Ecology, Kristineberg Marine Research StationGöteborg UniversityFiskebackskilSweden
  2. 2.Hydrobiological Station of RhodesHellenic Centre for Marine ResearchRhodesGreece

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