Individual EA measurements
Largest measured chub
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 |
|---|---|---|---|
| 49.5 cm | 11 Jun 2009 | Morden Hall Park | 117564 |
| 47.6 cm | 24 Jun 2015 | Morden Hall Park | 145179 |
| 45.5 cm | 17 May 2004 | Morden Hall Park | 80161 |
| 45 cm | 7 Jun 2011 | Morden Hall Park | 126465 |
| 44.7 cm | 27 Jun 2008 | Morden Hall Enhancement site | 112207 |
| 43.3 cm | 5 Jun 2013 | Morden Hall Park | 136246 |
| 43.2 cm | 7 May 2003 | Morden Hall Park | 76625 |
| 42.2 cm | 5 Jun 2013 | Morden Hall Park | 136246 |
| 42.2 cm | 7 Jun 2011 | Morden Hall Park | 126465 |
| 42 cm | 7 May 2003 | Morden Hall Park | 76625 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where chub were found
Each point marks a survey location with at least one chub 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 chub |
|---|---|---|---|
| Morden Hall Park | 22 Jul 1997 | 1 Oct 2025 | 10 |
| Snuff Mill Distributary Adj Morden Hall Road gate | 19 Jan 2010 | 19 Jan 2010 | 1 |
| Morden Hall Enhancement site | 27 Jun 2008 | 27 Jun 2008 | 1 |
| Morden Hall Downstream stretch | 27 Jun 2008 | 27 Jun 2008 | 1 |
| Morden Hall Park - Upstream Run | 29 Mar 1994 | 29 Mar 1994 | 1 |
| Morden Hall Deer Park | 26 Jul 1988 | 26 Jul 1988 | 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 chub that year.
Fish measured by surveyors
Measured length distribution
See how the 694 measured fish were spread across different length ranges.
- Smallest
- 3 cm
- Lower quarter
- 14.4 cm
- Median
- 20 cm
- Upper quarter
- 26.5 cm
- Largest
- 49.5 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 9 chub. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 4 oz (0.114 kg)
- Lower quarter
- 12.6 oz (0.356 kg)
- Median
- 15.5 oz (0.439 kg)
- Upper quarter
- 1 lb 3.3 oz (0.546 kg)
- Heaviest
- 1 lb 4.2 oz (0.573 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 Morden Hall
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 →