| Land | Portugal | Ökosysteme | Tagus |
| Fundort | Alcochete, Tagus Estuary | Depth | |
| Exoten | Year Intro. | ||
| Lebensstadium | not specified | unsexed | |
| Quantitative | 41.11 | Unit | |
| Semi Quantitative | <100 | Unit | |
| Qualitative | very common | ||
| Jahr | 1995 - 1996 | Period | 1975-2000 |
| Datum | 01/01/95 - 31/12/96 | Record Type | fishery |
| Record Type | fishery | ||
| Seasonal | yes | Method | swept area |
| Remarks | Estimated weight caught in tonnes per year. 96.8% discarded. | ||