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 |
|---|---|---|---|
| 15 cm | 14 May 2026 | Salters Lode | 181332 |
| 14.3 cm | 23 Apr 1999 | Aqueduct Bridge | 29751 |
| 14 cm | 23 May 2023 | Outwell Common | 162391 |
| 13.6 cm | 14 May 2026 | Salters Lode | 181332 |
| 13.5 cm | 23 May 2017 | Marmont Priory | 150511 |
| 13.2 cm | 14 May 2026 | Salters Lode | 181332 |
| 12.7 cm | 14 May 2026 | Salters Lode | 181332 |
| 12.5 cm | 14 May 2026 | Salters Lode | 181332 |
| 12.4 cm | 14 May 2026 | Salters Lode | 181332 |
| 12.3 cm | 25 May 2017 | Salters Lode | 150463 |
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 |
|---|---|---|---|
| Salters Lode | 3 May 1989 | 14 May 2026 | 7 |
| Outwell Common | 5 May 1989 | 23 May 2023 | 5 |
| Upwell | 28 May 1991 | 17 May 2023 | 3 |
| Marmont Priory | 26 Apr 1989 | 16 May 2023 | 6 |
| Aqueduct Bridge | 27 Apr 1989 | 21 Jun 2006 | 5 |
| Boundry Farm | 5 Jun 1991 | 1 Jun 1994 | 2 |
| Walsingham Fen | 8 May 1989 | 25 May 1994 | 3 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1989–2026
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 595 measured fish were spread across different length ranges.
- Smallest
- 4.8 cm
- Lower quarter
- 6.3 cm
- Median
- 7.8 cm
- Upper quarter
- 9.3 cm
- Largest
- 15 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the Well Creek
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 →