Table 1. Fish species studied in the present work with common and scientific names, capture locations and dates within the Bay of Biscay, number (n) of sampled individuals, sex ratio and histologically identified gametogenic stage according to the developmental stage of the oocytes in females (PV = previtellogenic, CA = cortical alveoli, AV = advanced vitellogenesis and Hy: hydrated).
| Common name | Scientific name | Origin (ICES Subarea) | Capture month | (n) | Sex ratio (F/M) | Gametogenic stage |
|---|---|---|---|---|---|---|
| Atlantic chub mackerel | Scomber colias | VIII b | November 2011 & May 2014 | 14 | 8/6 | PV |
| Atlantic mackerel | Scomber scombrus | VIII b | February 2012 | 13 | 7/6 | AV |
| Blue whiting | Micromesistius poutassou | VIII c | May 2012 | 15 | 13/2 | PV |
| Bogue | Boops boops | VIII b | May 2014 | 10 | 8/2 | PV |
| European anchovy | Engraulis encrasicolus | VIII c | April & May 2012 | 31 | 15/16 | AV & Hy |
| European hake | Merluccius merluccius | VIII b | March 2011 | 11 | 7/4 | PV |
| European pilchard | Sardina pilchardus | VIII b | November 2011 | 12 | 7/5 | Hy |
| Horse mackerel | Trachurus trachurus | VIII b | February 2012 & May 2014 | 24 | 7/17 | PV |
| Megrim | Lepidorhombus whiffiagonis | VIII b | February, May & November 2012 | 31 | 26/6 | PV, CA & AV |