REPRODUCTIVE-BIOLOGY OF SEPIETTA-OWENIANA (PFEFFER, 1908) (SEPIOLIDAE, CEPHALOPODA) IN THE AEGEAN SEA

It is stated that S. oweniana, one of the well-known taxa of the famil y Sepiolidae, has a wide distribution throughout the Aegean Sea. In th is study 805 specimens were collected, and the gonad stages of both se xes and the seasonal gonado-somatic index Value were examined. It was observed that the spawning period of S. oweniana covers the whole year with two maxima in April-May and October-November. No discernible dif ference in length frequencies of males and females was observed. The r eproductive biology parameters of the specimens were compared with tho se observed in other seas.