Reproductive Biology and Fishery-Related Characteristics of the Malabar Grouper (Epinephelus malabaricus) Caught in the Coastal Waters of Mafia Island, Tanzania

Figure 2

Histological section of ovarian stages of Epinephelus malabaricus (a) Immature (F1) collected 25 January 2010, 66 cm 𝐿_𝑇, 5 kg 𝑊_𝑇, 4.4 g  𝐺_𝑊 (c) Mature ripening (F3) collected 28 February 2010, 79 cm 𝐿_𝑇, 9 kg 𝑊_𝑇, 20 g  𝐺_𝑊; (e) Late ripening (F4) collected 30 January 2010, 82 cm 𝐿_𝑇, 9.5 kg 𝑊_𝑇, 124 g  𝐺_𝑊; (f) Ripe (F5) collected 19 October 2010, 96.5 cm 𝐿_𝑇, 16 kg 𝑊_𝑇, 185 g  𝐺_𝑊. PV: previtellogenic oocytes; OL: ovarian lumen; MB: muscle bundle, BV: blood vessel; GV: granule vesicle; GW: gonadal wall, O1–O6: oocytes stage F1–F6.