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 |
|---|---|---|---|
| 24.4 cm | 4 Jun 2003 | Bradford Abbas (Te) | 76073 |
| 23.9 cm | 25 Sept 2013 | Bradford Abbas (Te) | 138897 |
| 23.7 cm | 4 Jun 2003 | Bradford Abbas (Te) | 76073 |
| 23.1 cm | 4 Jun 2003 | Bradford Abbas (Te) | 76073 |
| 22.8 cm | 23 Jul 1993 | Bradford Abbas (Te) | 79816 |
| 22.7 cm | 21 Aug 2024 | Mudford | 166412 |
| 22.4 cm | 25 Sept 2013 | Bradford Abbas (Te) | 138897 |
| 21.9 cm | 5 Aug 2003 | Yeovil Bridge (Te) | 76745 |
| 21.6 cm | 17 Jul 2014 | Yeovil Bridge (Te) | 141759 |
| 21.5 cm | 5 Aug 2003 | Yeovil Bridge (Te) | 76745 |
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 |
|---|---|---|---|
| Mudford | 20 Jun 2007 | 21 Aug 2024 | 3 |
| Up Mudford Investigation Site | 30 Jul 2015 | 30 Jul 2015 | 1 |
| Yeovil Bridge (Te) | 5 Aug 2003 | 17 Jul 2014 | 8 |
| Bradford Abbas (Te) | 23 Jul 1993 | 25 Sept 2013 | 3 |
| Pibsbury Pumping Station (Te) | 21 Jul 2008 | 8 Jul 2010 | 2 |
| Gas Works d/s Ilchester (Te) | 29 Jul 2008 | 29 Jul 2008 | 1 |
| Upstream Lake Borehole | 27 Jul 1993 | 27 Jul 1993 | 1 |
| Downstream Pen Mill Gauging Station | 20 Jul 1993 | 20 Jul 1993 | 1 |
| Newton Surmaville | 15 Jul 1993 | 15 Jul 1993 | 1 |
| Over Compton | 13 Jul 1993 | 13 Jul 1993 | 1 |
| Up Mudford | 8 Jul 1993 | 8 Jul 1993 | 1 |
| Downstream Yeovilton Weir | 6 Jul 1993 | 6 Jul 1993 | 1 |
| Upstream Ashington Bridge | 29 Jun 1993 | 29 Jun 1993 | 1 |
| Manor Farm, Ashington | 24 Jun 1993 | 24 Jun 1993 | 1 |
| Downstream Hainbury Mill | 23 Jun 1993 | 23 Jun 1993 | 1 |
| Great Yard, Ilchester | 22 Jun 1993 | 22 Jun 1993 | 1 |
| Downstream Load Bridge | 10 Jun 1993 | 10 Jun 1993 | 1 |
| Downstream Ablake | 8 Jun 1993 | 8 Jun 1993 | 1 |
| Upstream Yeovilton Weir | 14 May 1993 | 14 May 1993 | 1 |
| Upstream Ablake | 12 May 1993 | 12 May 1993 | 1 |
| Upstream Pill Bridge | 5 May 1993 | 5 May 1993 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1993–2024
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 287 measured fish were spread across different length ranges.
- Smallest
- 4.2 cm
- Lower quarter
- 9.7 cm
- Median
- 12.9 cm
- Upper quarter
- 16.2 cm
- Largest
- 24.4 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 182 dace. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.1 oz (0.002 kg)
- Lower quarter
- 0.4 oz (0.011 kg)
- Median
- 0.8 oz (0.024 kg)
- Upper quarter
- 1.8 oz (0.051 kg)
- Heaviest
- 7.6 oz (0.216 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 Yeo
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 →