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 |
|---|---|---|---|
| 55 cm | 20 Mar 2017 | Abbey Farm | 150303 |
| 49 cm | 10 Mar 2003 | Marham Intake | 75592 |
| 47.9 cm | 14 Mar 2017 | Marham Intake | 150301 |
| 47.2 cm | 31 Mar 2015 | Marham Intake | 144496 |
| 46.8 cm | 26 Mar 1993 | Saddlebow | 30348 |
| 46.3 cm | 8 Nov 1989 | Wormegay High Bridge | 30333 |
| 46.1 cm | 14 Mar 2017 | Marham Intake | 150301 |
| 46 cm | 31 Mar 2015 | Marham Intake | 144496 |
| 45.3 cm | 7 Feb 1996 | Setchey | 30359 |
| 44.4 cm | 14 Mar 2017 | Marham Intake | 150301 |
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 |
|---|---|---|---|
| Bone Mill | 1 Apr 2026 | 1 Apr 2026 | 1 |
| Abbey Farm | 19 Mar 2004 | 20 Mar 2017 | 3 |
| Marham Intake | 10 Mar 2003 | 14 Mar 2017 | 3 |
| DS Marham Sluice | 14 Mar 2017 | 14 Mar 2017 | 1 |
| Setchey | 7 Feb 1996 | 17 Mar 2015 | 2 |
| DS Abbey Farm Weir (Eel Monitoring) | 18 Jul 2012 | 23 Jul 2014 | 2 |
| High Bridge Side Channel | 22 Apr 2010 | 22 Apr 2010 | 1 |
| US Sluice Kings Lynn | 12 Jan 1990 | 15 Apr 2010 | 2 |
| Nar Valley Fishery | 3 Apr 1996 | 3 Apr 1996 | 1 |
| Wormegay High Bridge | 8 Nov 1989 | 30 Mar 1993 | 2 |
| Saddlebow | 26 Mar 1993 | 26 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.
1989–2026
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 43 measured fish were spread across different length ranges.
- Smallest
- 5.8 cm
- Lower quarter
- 21.2 cm
- Median
- 33.8 cm
- Upper quarter
- 44 cm
- Largest
- 55 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Nar
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 →