Fig. 4From: Cuttlebone morphometrics and sex identification of Sepia bertheloti (d’Orbigny, 1835) from the central-east AtlanticRelationships between Gonadosomatic Index (GSI) and a Dorsal Mantle Length (DML), b Cuttlebone width (CW), c Fragmocone width (FW) and d External Cuttlebone Width (ECW) for males (black dots) and females (empty triangles) of Sepia berthelotiBack to article page