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 |
|---|---|---|---|
| 37.7 cm | 19 Jul 2005 | Mill Lane | 87763 |
| 37 cm | 24 Jul 2000 | Mill Lane | 115319 |
| 36.5 cm | 27 Jul 1995 | Below Farrington Weir | 112819 |
| 36 cm | 5 Apr 1995 | Lostock Bridge Farm | 112903 |
| 34 cm | 31 Jul 1995 | Johnson House Farm | 113146 |
| 33.1 cm | 4 Aug 2005 | Cowling lane | 88152 |
| 33 cm | 27 Jul 1995 | Mill Lane | 112828 |
| 32.5 cm | 26 Jul 1995 | Below STW outfall | 112890 |
| 32 cm | 7 Jul 2011 | Havelock Road | 126922 |
| 31.5 cm | 27 Jun 2002 | Havelock Road | 79671 |
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 |
|---|---|---|---|
| Cowling lane | 4 Aug 2005 | 5 Jul 2023 | 5 |
| Mill Lane | 24 Mar 1995 | 25 Jul 2018 | 6 |
| Below Farrington Weir | 27 Jul 1995 | 25 Jul 2018 | 2 |
| Havelock Road | 24 Jul 2000 | 7 Jul 2011 | 12 |
| Todd Lane South | 24 Jul 2000 | 25 Jul 2006 | 11 |
| Kem Mill Lane | 24 Jul 2000 | 27 Jun 2006 | 7 |
| Sherdeley Road | 22 Jun 2001 | 18 Jun 2004 | 7 |
| Tudor Croft | 24 Jun 1999 | 30 Aug 2002 | 4 |
| Sheep Hill Lane | 20 May 1999 | 30 Aug 2002 | 6 |
| Lower Copthurst | 28 Aug 2002 | 28 Aug 2002 | 1 |
| Lostock Bridge Farm | 5 Apr 1995 | 19 Jul 2000 | 3 |
| Below STW outfall | 26 Jul 1995 | 19 Jul 2000 | 2 |
| Above STW outfall | 4 Apr 1995 | 19 Jul 2000 | 3 |
| Johnson House Farm | 31 Jul 1995 | 31 Jul 1995 | 1 |
| 500m Above Ulnes Walton Bridge | 5 Apr 1995 | 28 Jul 1995 | 2 |
| Wade Hall | 25 Jul 1995 | 25 Jul 1995 | 1 |
| Lostock Bridge at Croston | 22 Mar 1995 | 25 Jul 1995 | 2 |
| Earnshaw Bridge | 24 Jul 1995 | 24 Jul 1995 | 1 |
| Dunkirk Pub | 24 Jul 1995 | 24 Jul 1995 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1995–2023
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 2,656 measured fish were spread across different length ranges.
- Smallest
- 0.1 cm
- Lower quarter
- 12.4 cm
- Median
- 15.4 cm
- Upper quarter
- 18.7 cm
- Largest
- 37.7 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 294 chub. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.1 oz (0.004 kg)
- Lower quarter
- 1.5 oz (0.042 kg)
- Median
- 2.2 oz (0.062 kg)
- Upper quarter
- 3.1 oz (0.0875 kg)
- Heaviest
- 12.3 oz (0.35 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 Lostock
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 →