p. 201 - 211 THE SQUID Illex illecebrosus argentinus (CASTELLANOS, 1960) CAUGHT IN THE SOUTH-WEST ATLANTIC DURING THE AUSTRAL AUTUMN OF 1985 Cornelia Maxim and D. Zaharia Romanian Marine Research Institute Constanta Abstract The paper presents the results of the observations regarding the species Illex illecebrosus argentinus (CASTELLANOS,1960) caught in the southwest Atlantic from February to May 1985, including the analysis of the frequency by length classes and weight, sex ratio gonad maturation degree and lenght-weight relationship.