Individual EA measurements
Largest measured tench
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 |
|---|---|---|---|
| 46.3 cm | 17 Jun 1998 | Upstream Buxton Mill | 16758 |
| 46.2 cm | 17 Jun 2004 | Downstream Buxton Mill | 80240 |
| 46 cm | 17 Jun 1998 | Upstream Buxton Mill | 16758 |
| 45.3 cm | 8 Jul 2008 | Downstream Plantation Bridge | 112265 |
| 44.9 cm | 18 Jun 2003 | Downstream Buxton Mill | 76235 |
| 44.2 cm | 7 Apr 1993 | Upstream Coltishall Bridge | 16749 |
| 43.7 cm | 17 Jun 2004 | Downstream Buxton Mill | 80240 |
| 43 cm | 17 Mar 1993 | Downstream Oxnead Mill | 16742 |
| 42.5 cm | 6 Jul 1998 | Downstream Buxton Mill | 16759 |
| 42.2 cm | 2 Apr 1993 | Downstream Mayton Bridge | 16748 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where tench were found
Each point marks a survey location with at least one tench 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 tench |
|---|---|---|---|
| Downstream Buxton Mill | 24 Mar 1993 | 17 Jun 2025 | 9 |
| Lamas Hall | 31 Mar 1993 | 8 Jul 2022 | 5 |
| Downstream Mayton Bridge | 2 Apr 1993 | 2 Aug 2016 | 3 |
| Downstream Plantation Bridge | 18 Mar 1993 | 8 Jul 2008 | 5 |
| Downstream Aylsham Bypass | 20 Jun 2003 | 20 Jun 2003 | 1 |
| Upstream Buxton Mill | 17 Jun 1998 | 17 Jun 1998 | 1 |
| Downstream Burgh Mill | 11 Mar 1993 | 4 Jun 1998 | 2 |
| Upstream Coltishall Bridge | 13 Jul 1988 | 7 Apr 1993 | 2 |
| Upstream Mayton Bridge | 28 Mar 1993 | 28 Mar 1993 | 1 |
| Downstream Oxnead Mill | 17 Mar 1993 | 17 Mar 1993 | 1 |
| Downstream Burgh Hall Lock | 9 Mar 1993 | 9 Mar 1993 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1988–2025
Survey records by year
Each bar shows how many survey visits recorded tench that year.
Fish measured by surveyors
Measured length distribution
See how the 54 measured fish were spread across different length ranges.
- Smallest
- 3.7 cm
- Lower quarter
- 11.1 cm
- Median
- 20 cm
- Upper quarter
- 39.7 cm
- Largest
- 46.3 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.
- Recorded weight
- 4 lb 13.6 oz (2.2 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 Bure (central)
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 →