ABSTRACT
This study verifies the presence of Vibrio parahaemolyticus on 16 tails samples of the lobster Panulirus laevicauda(Latreille)species collected at the same location in 1990 and on 16 samples collected at a local Fish Industry.The MPN of V.parahaemolyticus obtained on samples from all sources varied from <3.0 to 21.0/g. of 39 strains identified as V.parahaemolyticus on the Fish Market samples collected in 1988, 11(28.2 por cento)showed to be "non agglutinable" and among isolates of 1990, 5(35.7 por cento)of them agglutinated with anti-K sera. Only one isolate among Industry samples was typable.The serogroups found among V.parahaemolyticus strain were: KI, KII, KIII, KIV, KV, KVI, KVII, KVIII and KIX.From a total of 56 V.parahaemolyticus strains isolated on Fish Market samples collected in 1988 and 1990, 29(51.8 por cento) were Kanagawa-positive, whereas those isolated on samples the from Industry(3) were Kanagawa-negative