| Igler (Hirudinea indet.) | | 176 | 473 | 12 | 2021-09-03 |
| Toøyd flatigle (Helobdella stagnalis) | | 39 | 63 | | 2014-09-02 |
| Hundeigle (Erpobdella octoculata) | | 34 | 71 | 1 | 2015-09-02 |
| Lys Andeigle (Theromyzon tessulatum) | | 31 | 41 | | 2004-08-14 |
| Stor bruskigle (Glossiphonia complanata) | | 28 | 43 | | 2014-10-17 |
| Hesteigle (Haemopis sanguisuga) | | 27 | 45 | 3 | 2021-09-03 |
| Blodigle (Hirudo medicinalis) | | 10 | 13 | 1 | 2020-06-12 |
| Flatigler (Glossiphoniidae indet.) | | 2 | 12 | | 2013-09-06 |
| Fiskeigle (Piscicola geometra) | | 1 | 1 | | 2005-09-05 |
Sustain.no is provided by the Norwegian Centre for Science Education