Fig. 4From: Reproductive biology of the prawn Melicertus kerathurus (Decapoda: Penaeidae) in Thermaikos Gulf (N. Aegean Sea)Monthly frequency of insemination (a) and of ovarian stages (b) of female Melicertus kerathurus in Thermaikos Gulf for the study period 2000–2002. ST1: immature; ST2: developing; ST3: vitellogenic; ST4: mature; ST5: spent (Numbers along axis × represent total number of females sampled per month)Back to article page