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THE STATE OF THE ART OF THE ADRIATIC SEA FISH BIODIVERSITY

The marine biodiversity of the Mediterranean Sea is nowadays facing substantial the structural changes in flora and fauna. Such changes were recorded in the Adriatic Sea, as well. During the last few decades, various factors including climate change, anthropogenic activity and lessepsian migration have altered the composition of Adriatic ichthyofauna. Furthermore, extensive investigations carried out in the last decades allowed us to recognize species previously not recorded or reported in this area. These changes are reflected in the number of species quoted in the checklist of Adriatic fishes, from 407 in 1996 (sensu Jardas, 1996) to 440 in 2010 (Agnatha 1, Elasmobranchii 52, Holocephali 1 and Actinopterygii 386) (sensu Lipej and Dulčić, 2010). The present updates (and extensions) for the period 2010-2014, were compiled from: a) survey of the main scientific journals, b) doctoral thesis. Only those species which were reported and appropriately documented in scientific literature were taken into consideration. In the period of 2010-2014, sixteen new fish species have been recorded in the Adriatic Sea and these findings number of recorded fish species in the Adriatic Sea increase the total number of fish species up to date recorded in the Adriatic to arise to 456 (Elasmobranchii 54, Actinopterygii 402). Certain fish species were related to recent processes in the Adriatic Sea, such as bioinvasion and tropicalisation. Of the 14 Lessepsian migrants that were recorded in the Adriatic, Lagocephalus sceleratus, Fistularia commersonii and Siganus luridus proved to be successful invaders for its southern part. Some neglected fish species were recorded for the very first time by performing new approaches and techniques in the area.

status, fish, biodiversity, changes, Adriatic Sea

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