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 |
|---|---|---|---|
| 60.3 cm | 26 Jul 2001 | Bakers Mill A | 15585 |
| 57 cm | 5 Aug 2009 | Shalford Meadow | 120107 |
| 54.2 cm | 22 Jul 2005 | Bakers Mill A | 85661 |
| 53.2 cm | 22 Jul 2013 | Lamarsh FGS A | 138854 |
| 53.2 cm | 27 Jul 2007 | Shalford Weir | 106138 |
| 52.3 cm | 10 Jul 2008 | Bakers Mill A | 112133 |
| 52.2 cm | 13 Jul 2007 | Bures Bridge A | 105952 |
| 52.1 cm | 10 Aug 2000 | Shalford Meadow | 15539 |
| 51.7 cm | 2 Jul 2008 | Tendring Hall | 111883 |
| 51.5 cm | 1 Aug 2000 | Bures Mill | 15534 |
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 |
|---|---|---|---|
| Tendring Hall | 2 Jul 2008 | 4 Aug 2025 | 3 |
| Fen Bridge | 3 Jul 2006 | 15 Jul 2025 | 7 |
| Great Thurlow | 15 Sept 2015 | 18 Sept 2024 | 2 |
| Lamarsh FGS A | 24 Jul 1985 | 29 Jul 2024 | 17 |
| Pitmire A | 12 Aug 1991 | 26 Jul 2024 | 12 |
| Wiston Mill | 8 Aug 1988 | 17 Jul 2024 | 10 |
| Bures Bridge A | 5 Jul 1985 | 10 Jul 2024 | 10 |
| Downstream Dedham Mill | 23 Jul 2012 | 3 Jul 2024 | 2 |
| Bures Mill | 1 Aug 2000 | 9 Nov 2021 | 7 |
| Kedington Radial Gate | 10 Sept 1997 | 24 Oct 2021 | 4 |
| Wixoe Pumping Station | 24 Sept 1985 | 10 Sept 2018 | 7 |
| Pentlow Mill | 13 Sept 2012 | 23 Aug 2018 | 2 |
| Mill Meadow | 29 Sept 1981 | 14 Aug 2018 | 12 |
| Rats Castle | 6 Sept 2012 | 4 Aug 2015 | 2 |
| Liston Mill | 5 Sept 2012 | 7 Aug 2014 | 2 |
| Wissington | 26 Jul 2000 | 17 Jul 2014 | 5 |
| Shalford Weir | 30 Sept 1981 | 16 Jul 2013 | 13 |
| Mill Farm Clare | 27 Sept 2012 | 27 Sept 2012 | 1 |
| Upstream Dedham Mill | 10 Jun 1985 | 20 Jul 2012 | 3 |
| Bakers Mill A | 12 Jul 1985 | 29 Jul 2010 | 14 |
| Boxted Mill | 15 Jul 1991 | 26 May 2010 | 2 |
| Baythorne End | 23 Nov 1994 | 17 Sept 2009 | 4 |
| Brundon (River Stour Middle) | 19 Aug 1991 | 10 Aug 2009 | 6 |
| Rodbridge Park | 7 Oct 1988 | 6 Aug 2009 | 5 |
| Shalford Meadow | 30 Sept 1988 | 5 Aug 2009 | 6 |
| Priory Meadow | 29 Jul 1985 | 4 Aug 2009 | 9 |
| Wick Farm | 16 Jul 1997 | 3 Jul 2009 | 2 |
| Brantham Lock | 29 May 1991 | 22 Jun 2009 | 3 |
| Flatford Mill | 14 Sept 1994 | 18 Jun 2009 | 2 |
| Stoke By Clare | 25 Sept 2003 | 5 Oct 2006 | 2 |
| Glemsford Pits | 28 Aug 2003 | 22 Aug 2006 | 2 |
| Wormingford Mill | 25 Oct 1994 | 1 Aug 2006 | 2 |
| Anchor Bridge | 3 Jul 1991 | 28 Jul 2006 | 2 |
| Higham Hall | 11 Jul 1997 | 7 Jul 2006 | 2 |
| Little Thurlow | 18 Sept 1997 | 22 Sept 2003 | 2 |
| Stratford | 28 Jul 1983 | 6 Jul 2000 | 3 |
| Cattawade | 28 May 1991 | 26 Jun 2000 | 3 |
| Bower Hall | 10 Sept 1991 | 10 Sept 1991 | 1 |
| Garnons Farm | 26 Jul 1983 | 12 Jul 1991 | 3 |
| Mill Green Radial Gate | 16 Oct 1985 | 16 Oct 1985 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1981–2025
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 457 measured fish were spread across different length ranges.
- Smallest
- 2.3 cm
- Lower quarter
- 18.9 cm
- Median
- 37.2 cm
- Upper quarter
- 43.5 cm
- Largest
- 60.3 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 6 tench. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 2 lb 7.3 oz (1.11 kg)
- Lower quarter
- 2 lb 14.4 oz (1.31 kg)
- Median
- 3 lb 2.3 oz (1.43 kg)
- Upper quarter
- 3 lb 4.4 oz (1.49 kg)
- Heaviest
- 3 lb 14 oz (1.76 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 Stour
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 →