摘要:A ltogether 86 localities in the area of the ATBI Gemer research prog ramme and some adjacent regions in Slovakia were i nvest igated for the presence of freshwater crayfi sh (Decapoda, As tacidae) during year s 2004 ¨C 2011. There were found t hree new sites of noble crayfish, Astacus astacus (Linnaeus, 1758), 4 sites known from the pas t were confi rmed, but mos t sites were found wit h- out presence of crayfish. Noble crayfish, Astacus astacus is the only species re- ported from t he area of ATBI Gemer. No indigenuous crayfish species (NICS) is known from the reg ion.