Figure 2From: Gametogenic cycle of Crassostrea gigas in contrasting Mediterranean habitats: marine (Gulf of Tunis) and continental (Bizert lagoon) culture sites Variation of gonadic stages (%) of Crassostrea gigas in (A) Port aux Princes (PP) and in (B) Ferme Marine de Bizerte (FMB). Stages: 0- Undifferentiated gonads, I- Early gametogenesis, II- Gametogenesis, IIIA- Intensive gametogenic activity, IIIB- Gonadal maturation and IIID- Spent gonads.Back to article page