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 |
|---|---|---|---|
| 24 cm | 21 May 1998 | Calne STW (Te) | 77061 |
| 22.1 cm | 19 May 2011 | Calne STW (Te) | 126463 |
| 20.2 cm | 14 Oct 1997 | Scott's Mill | 77056 |
| 20.2 cm | 14 Oct 1997 | Scott's Mill | 77056 |
| 19.2 cm | 14 Oct 1997 | Scott's Mill | 77056 |
| 19.1 cm | 3 Sept 1998 | Abbey Farm | 77060 |
| 18.2 cm | 14 Oct 1997 | Scott's Mill | 77056 |
| 17.9 cm | 18 Aug 2004 | New Leaze Farm | 81343 |
| 17.8 cm | 10 Jul 2003 | New Leaze Farm | 76354 |
| 17.7 cm | 19 May 2011 | Stanley | 126400 |
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 |
|---|---|---|---|
| Calne STW (Te) | 21 May 1998 | 11 Oct 2016 | 3 |
| Stanley | 19 May 2011 | 19 May 2011 | 1 |
| New Leaze Farm | 15 Oct 1997 | 19 Jul 2006 | 5 |
| Abbey Farm | 3 Sept 1998 | 3 Sept 1998 | 1 |
| Scott's Mill | 14 Oct 1997 | 14 Oct 1997 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1997–2016
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 60 measured fish were spread across different length ranges.
- Smallest
- 9.3 cm
- Lower quarter
- 12.1 cm
- Median
- 14.4 cm
- Upper quarter
- 16.6 cm
- Largest
- 24 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 38 dace. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.3 oz (0.008 kg)
- Lower quarter
- 0.7 oz (0.0212 kg)
- Median
- 1.7 oz (0.047 kg)
- Upper quarter
- 2.4 oz (0.0692 kg)
- Heaviest
- 6.2 oz (0.175 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Main River Marden
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 →