Individual EA measurements
Largest measured minnow
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 |
|---|---|---|---|
| 10.7 cm | 23 Aug 2005 | East Mascalls Bridge | 87570 |
| 10.4 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 10.3 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 10.1 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 10.1 cm | 17 Aug 2004 | Upper Ryelands | 81344 |
| 10 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 10 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 10 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 9.9 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
| 9.9 cm | 10 Aug 2005 | Upper Ryelands | 86810 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where minnow were found
Each point marks a survey location with at least one minnow 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 minnow |
|---|---|---|---|
| Newick | 9 Oct 2003 | 14 Aug 2024 | 9 |
| Sheffield Bridge | 29 Aug 2001 | 25 Jul 2024 | 14 |
| Sloop | 13 Aug 2001 | 24 Jul 2024 | 14 |
| East Mascalls Bridge | 10 Aug 2001 | 24 Jul 2024 | 16 |
| Isfield Church | 2 Oct 2003 | 27 Sept 2023 | 3 |
| Fletching Mill Upstream | 11 Jul 2011 | 11 Sept 2017 | 4 |
| Upper Ryelands | 15 Aug 2001 | 1 Oct 2013 | 8 |
| Sloop Weir Downstream | 25 Oct 2011 | 25 Oct 2011 | 1 |
| Fletching Mill Downstream | 28 Oct 2009 | 11 Jul 2011 | 3 |
| Sharpsbridge | 8 Aug 2002 | 29 Oct 2009 | 7 |
| Ardingly College | 6 Jul 1998 | 23 Sept 2003 | 2 |
| Cherry lane | 11 Aug 2003 | 11 Aug 2003 | 1 |
| Avins Bridge | 12 Aug 2002 | 12 Aug 2002 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1998–2024
Survey records by year
Each bar shows how many survey visits recorded minnow that year.
Fish measured by surveyors
Measured length distribution
See how the 1,205 measured fish were spread across different length ranges.
- Smallest
- 1.5 cm
- Lower quarter
- 5.5 cm
- Median
- 6.5 cm
- Upper quarter
- 7.5 cm
- Largest
- 10.7 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 913 minnow. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0 oz (0.001 kg)
- Lower quarter
- 0.1 oz (0.002 kg)
- Median
- 0.1 oz (0.003 kg)
- Upper quarter
- 0.2 oz (0.006 kg)
- Heaviest
- 0.6 oz (0.016 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 Ouse
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 →