Individual EA measurements
Largest measured dace
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 |
|---|---|---|---|
| 33.9 cm | 23 Jul 2012 | Coultershaw | 132894 |
| 25.9 cm | 20 Jul 2016 | Woolbeding | 148663 |
| 25.6 cm | 15 Jul 2015 | Woolbeding | 145441 |
| 25.2 cm | 14 Jul 2004 | Terwick Mill | 80589 |
| 25.2 cm | 14 Jul 2004 | Terwick Mill | 80589 |
| 25 cm | 21 Jul 2014 | Woolbeding | 142003 |
| 24.8 cm | 7 Jul 2006 | Terwick Mill | 101867 |
| 24.4 cm | 21 Jul 2014 | Woolbeding | 142003 |
| 24.3 cm | 14 Jul 2004 | Terwick Mill | 80589 |
| 24.2 cm | 7 Jul 2006 | Terwick Mill | 101867 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where dace were found
Each point marks a survey location with at least one dace 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 dace |
|---|---|---|---|
| Fittleworth Bridge | 24 Jul 2002 | 18 Jun 2026 | 16 |
| Coultershaw | 12 Jul 2004 | 18 Jun 2026 | 20 |
| Woolbeding | 18 Jul 2002 | 17 Jun 2026 | 21 |
| Terwick Mill | 18 Jul 2002 | 16 Jun 2026 | 21 |
| Stanbridge | 11 Jun 2024 | 11 Jun 2024 | 1 |
| Stedham Mill Downstream | 15 Jul 2016 | 15 Jul 2016 | 1 |
| North Mill Bypass pool | 22 Jul 2009 | 22 Jul 2009 | 1 |
| Hardham | 24 Sept 2003 | 19 Jul 2007 | 3 |
| Durford Bridge | 28 Jun 2005 | 10 Jul 2007 | 2 |
| Cowdray Estate | 22 Jul 2002 | 22 Jul 2002 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2002–2026
Survey records by year
Each bar shows how many survey visits recorded dace that year.
Fish measured by surveyors
Measured length distribution
See how the 535 measured fish were spread across different length ranges.
- Smallest
- 2.4 cm
- Lower quarter
- 11 cm
- Median
- 14.7 cm
- Upper quarter
- 18.2 cm
- Largest
- 33.9 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 211 dace. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0 oz (0.001 kg)
- Lower quarter
- 0.4 oz (0.011 kg)
- Median
- 1.2 oz (0.034 kg)
- Upper quarter
- 2.8 oz (0.0795 kg)
- Heaviest
- 8.3 oz (0.236 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the River Western Rother
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 →