| Land | Brazil | Ekosystem | |
| Observationsplats | Patos Lagoon | Depth | |
| Införda | Year Intro. | ||
| Utvecklingsstadium | not specified | unsexed | |
| Quantitative | 1 | Unit | numbers |
| Semi Quantitative | Unit | ||
| Qualitative | rare | ||
| År | 1996 - 2001 | Period | 1975-2000 |
| Datum | 01/08/96 - 30/06/01 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | Metod | random sampling | |
| Anmärkningar | Monthly seine hauls were conducted during the study period. | ||