Horten natursenter
| Art | Vitenskapelig navn | 2003 |
|---|---|---|
| Euglena sp. | 1 | |
| Filinia sp. | 1 | |
| Abbor | Perca fluviatilis | 3 |
| Asterionella formosa | 1 | |
| Brasme | Abramis brama | 2 |
| Ceratium hirundinella | 1 | |
| Cyclops strenuus | 1 | |
| Daphnia longispina | 1 | |
| Eurytemora velox | 1 | |
| Fragilaria crotonensis | 1 | |
| Gjedde | Esox lucius | 2 |
| Gjørs | Stizostedion lucioperca | 1 |
| Kellicottia longispina | 1 | |
| Keratella quadrata | 1 | |
| Laue | Alburnus alburnus | 1 |
| Microcystis aeruginosa | 1 | |
| Mort | Rutilus rutilus | 1 |
| Suter | Tinca tinca | 1 |
| Sørv | Scardinius erythrophthalmus | 1 |
| Asplanchna sp. | 1 | |
| Bosmina sp. | 1 | |
| Pediastrum sp. | 1 | |
| Synedra sp. | 1 |
