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 |
|---|---|---|---|
| 36.3 cm | 29 Jul 2003 | Kings Barn Farm, d/s STW | 76619 |
| 36.2 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
| 33 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
| 33 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
| 32.2 cm | 25 Jul 2008 | Kings Barn Farm, d/s STW | 112434 |
| 32 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
| 31.6 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
| 31.1 cm | 25 Jul 2008 | Kings Barn Farm, u/s STW | 112437 |
| 31 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
| 31 cm | 3 Sept 2012 | Kings Barn Farm, d/s STW | 133875 |
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 |
|---|---|---|---|
| Kings Barn Farm, d/s STW | 27 Aug 2002 | 3 Sept 2012 | 10 |
| Kings Barn Farm, u/s STW | 27 Aug 2002 | 25 Jul 2008 | 7 |
| Black Sewer Upper | 4 Aug 2003 | 4 Aug 2003 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2002–2012
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 615 measured fish were spread across different length ranges.
- Smallest
- 7.1 cm
- Lower quarter
- 14.6 cm
- Median
- 17 cm
- Upper quarter
- 19.7 cm
- Largest
- 36.3 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 506 chub. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.2 oz (0.005 kg)
- Lower quarter
- 1.4 oz (0.0402 kg)
- Median
- 2.2 oz (0.0635 kg)
- Upper quarter
- 3.2 oz (0.092 kg)
- Heaviest
- 1 lb 10.9 oz (0.763 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 Black Sewer
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 →