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 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 9.5 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 9.4 cm | 6 May 2004 | Shafford Mill | 81248 |
| 9.2 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 9.2 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 9.1 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 8.8 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 8.8 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 8.8 cm | 20 May 2004 | Verulam Golf Course | 81238 |
| 8.8 cm | 20 May 2004 | Verulam Golf Course | 81238 |
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 |
|---|---|---|---|
| Moor Mill | 11 Nov 2016 | 11 Nov 2016 | 1 |
| Shafford Mill | 6 May 2004 | 26 Oct 2016 | 3 |
| Verulam Golf Course | 12 Oct 1995 | 20 Oct 2016 | 5 |
| Gorehambury Mill | 15 Apr 2014 | 15 Apr 2014 | 1 |
| Downstream Sopwell mill | 13 Jul 2006 | 13 Jul 2006 | 1 |
| Redbournbury fishery | 9 Jun 2006 | 9 Jun 2006 | 1 |
| Shafford mill u/s | 8 Jun 2006 | 8 Jun 2006 | 1 |
| Drop lane (ver) | 7 Jun 2006 | 7 Jun 2006 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1995–2016
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 118 measured fish were spread across different length ranges.
- Smallest
- 3.6 cm
- Lower quarter
- 5.1 cm
- Median
- 5.8 cm
- Upper quarter
- 7.5 cm
- Largest
- 10 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Ver
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 →