Fig. 6

Seasonal variations of the gonadosomatic index (GSI) and hepatosomatic index (HSI) over a 1 year period of mature specimens of Raja clavata. The error bars represent the standard error
Seasonal variations of the gonadosomatic index (GSI) and hepatosomatic index (HSI) over a 1 year period of mature specimens of Raja clavata. The error bars represent the standard error