| الدولة | Portugal | النظم البيئية | Atlantic Ocean |
| المنطقة المجاورة | Matosinhos fishing port | Depth | |
| قدم | Year Intro. | ||
| مراحل الحياة | not specified | mixed | |
| Quantitative | 6 | Unit | number |
| Semi Quantitative | <100 | Unit | number |
| Qualitative | rare | ||
| سنة | 2001 - 2001 | فترة زمنية | 2001-present |
| التاريخ | 01/01/01 - 31/12/01 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | no | طريقة | random sampling |
| ملاحظات | Sampling comprised of: 1. selection of 10 fishing vessels with Rajidae landings; 2. random selection of at least three fish boxes per vessel; 3. identification of specimens in box. | ||