Fig. 4. Diameter of oocytes with protoplasmatic growth in Rockall haddock ovaries of various maturity stages: (A) maturing (Maturity Stage III); (B) pre-spawning (Stage IV); (C) pre-spawning (Stage IVa); (D) pre–spawning before spawning the first batch of eggs (Stage IVa); (E) having spawned one or more batches of eggs (Stage Va); and (F) and (G) before spawning a following batch of eggs (Maturity Stage Vb).