Myxosporidian parasite infestation was monitered in Adriatic cage reared fish. Fish were collected once every three months from offshore netpens in the eastern Adriatic, over a nine month period. Fish samples comprised from 9 to 15 each of sea bass (Dicentrarchus labrax), sea bream (Sparus aurata), sharpsnout bream (Diplodus puntazzo) and black sea bream (Pagellus bogaraveo), all aged 1+. Only ...