Family: Gammaridae
| Year | Arter/grupper | Localities | Participants | Observations |
|---|---|---|---|---|
| 2021 | 1 | 1 | 1 | 1 |
| 2019 | 1 | 1 | 1 | 2 |
| 2014 | 2 | 6 | 4 | 6 |
| 2013 | 2 | 10 | 11 | 17 |
| 2012 | 1 | 5 | 4 | 7 |
| 2010 | 1 | 1 | 1 | 1 |
| 2009 | 1 | 2 | 2 | 2 |
| 2008 | 1 | 4 | 2 | 5 |
| 2007 | 1 | 1 | 1 | 1 |
| 2006 | 1 | 12 | 5 | 13 |
| 2005 | 1 | 14 | 5 | 14 |
| 2004 | 1 | 3 | 2 | 3 |
| 2003 | 1 | 1 | 1 | 1 |
| 2002 | 2 | 2 | 2 | 2 |
| 2001 | 3 | 5 | 5 | 9 |
| 2000 | 1 | 4 | 4 | 4 |
| 1999 | 2 | 2 | 2 | 2 |
| 1998 | 1 | 4 | 4 | 13 |
| 1997 | 1 | 15 | 15 | 39 |
| 1996 | 1 | 22 | 21 | 49 |
| 1995 | 2 | 35 | 33 | 70 |
| 1994 | 1 | 40 | 36 | 76 |
| 1993 | 1 | 32 | 29 | 39 |
| 1992 | 1 | 10 | 10 | 11 |
| 1991 | 1 | 2 | 3 | 4 |
| 1990 | 1 | 4 | 4 | 5 |
| 1989 | 1 | 5 | 6 | 6 |
| Totalt alle år | 3 | 170 | 136 | 402 |