Fig. 5. Sections of the Rockall haddock testes in different maturity stages for given month of sampling and fish length (×400). (A) pre-spawning (Stage IV), March, 21 cm; (B) spawning (Stage V), April, 24 cm; (C) post-spawning (Stage VI), May, 24 cm; and (D) post-spawning recovery (Stage VI–II), September, 30 cm. Key: SZ – spermatozoids, RSZ - residual spermatozoids, SC - spermatocides, and ST - spermatids.