Individual EA measurements
Largest measured ruffe
The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.
| Length | Survey date | Survey location | Survey ID |
|---|---|---|---|
| 14.8 cm | 23 Aug 1988 | Whittington | 29889 |
| 14.3 cm | 11 May 2000 | Hilgay Fen | 29883 |
| 13.3 cm | 11 May 2000 | Hilgay Fen | 29883 |
| 13.3 cm | 13 Apr 2000 | Whittington | 29878 |
| 13.3 cm | 13 Apr 2000 | Whittington | 29878 |
| 13.3 cm | 29 May 1996 | Whittington | 29923 |
| 12.8 cm | 4 Jun 1996 | Hilgay Bridge | 29931 |
| 12.3 cm | 13 Apr 2000 | Whittington | 29878 |
| 12.3 cm | 3 Jun 1996 | Hilgay | 29929 |
| 11.8 cm | 4 Jul 1996 | Wissington Beet | 29927 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where ruffe were found
Each point marks a survey location with at least one ruffe record.
Choose a point on the map to see what was recorded there.
Map points are approximate and don’t show fishing access. Check local permissions before visiting.
| Place surveyed | First recorded | Last recorded | Visits finding ruffe |
|---|---|---|---|
| Hilgay Moorings | 21 May 1991 | 1 Aug 2007 | 5 |
| Fordham Fen | 30 Aug 1988 | 16 Jun 2000 | 4 |
| Hilgay Bridge | 2 Sept 1988 | 17 May 2000 | 4 |
| Hilgay Fen | 10 Oct 1988 | 11 May 2000 | 5 |
| Wissington Beet | 25 Aug 1988 | 10 May 2000 | 5 |
| Catsholme Pump | 17 Oct 1988 | 8 May 2000 | 3 |
| Stoke Ferry | 24 Aug 1988 | 17 Apr 2000 | 4 |
| Whittington | 23 Aug 1988 | 13 Apr 2000 | 4 |
| Hilgay | 26 Aug 1988 | 3 Jun 1996 | 4 |
| Oxborough Ferry | 11 Jun 1993 | 11 Jun 1993 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1988–2007
Survey records by year
Each bar shows how many survey visits recorded ruffe that year.
Fish measured by surveyors
Measured length distribution
See how the 356 measured fish were spread across different length ranges.
- Smallest
- 4.3 cm
- Lower quarter
- 6.8 cm
- Median
- 7.3 cm
- Upper quarter
- 9.3 cm
- Largest
- 14.8 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River DS Wissey
Compare other species with enough survey and measurement data for a detailed page.
Before you fish
Good to know
These are past survey records, so the fish present today may be different. Map points are approximate—check local access, permissions and fishing rules before visiting.
Learn how RiverFish uses the data →