mur (1) espèce (1) analyse (1) Reproduction (1) Specimens (1) Specimens (1) Winter (1) Spermatozoa (1) Species (1) Sex change (1) Reproduction (1) Mollusks (1) Histology (1) Intersexuality (1) Gonads (1) Germ cells (1) Bivalves (1) Adriatic Sea (1) Arcidae (1) Analysis (1) Spermatozoa (1) Size (1) Histology (1)