FIRST RECORD OF PO BROOK LAMPREY, LETHENTERON ZANANDREAI (CEPHALASPIDOMORPHI: PETROMYZONTIFORMES: PETROMYZONTIDAE), IN THE HUTOVO BLATO WETLAND, BOSNIA AND HERZEGOVINA

On 14 July 2007 two metamorphosed males of the Po brook lamprey, Lethenteron zanandreai (Vladykov, 1955), were caught in the Hutovo Blato wetland, Neretva River basin (Adriatic Sea watershed) in Bosnia and Herzegovina. This is the first report on the occurrence of this species in the waters of Bosnia and Herzegovina. New evidence of their original distributional range extended eastward is presented.