2022 年 70 巻 3 号 p. 281-284
The present study aimed to provide accurate information on maturation and spawning season of green tiger prawn Penaeus semisulcatus in the Kii Channel based on ovarian histological observations. The observation showed that vitellogenesis began in April and ended in August. Based on the occurrence of cortical crypts (ripe oocyte), the spawning season of green tiger prawn lasted from June to August with the peak spawning of July in the Kii Channel.