Individual EA measurements
Largest measured roach
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 |
|---|---|---|---|
| 38 cm | 20 May 1991 | Tongue End | 54305 |
| 32.8 cm | 6 Apr 2009 | West Pinchbeck Road Bridge | 117203 |
| 31.5 cm | 16 Nov 1999 | Money Bridge | 57004 |
| 30 cm | 12 Oct 1988 | Tongue End | 109309 |
| 30 cm | 12 Oct 1988 | Tongue End | 109309 |
| 29.9 cm | 18 Apr 2007 | Surfleet Road Bridge | 109124 |
| 29.8 cm | 6 Apr 2009 | West Pinchbeck Road Bridge | 117203 |
| 29.8 cm | 6 Apr 2009 | West Pinchbeck Road Bridge | 117203 |
| 29 cm | 20 May 1991 | Tongue End | 54305 |
| 29 cm | 12 Oct 1988 | Tongue End | 109309 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where roach were found
Each point marks a survey location with at least one roach 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 roach |
|---|---|---|---|
| Money Bridge | 29 May 1991 | 24 Oct 2017 | 6 |
| Flax Mill | 30 May 1991 | 8 Mar 2011 | 4 |
| Surfleet Road Bridge | 26 Aug 1986 | 7 Mar 2011 | 13 |
| West Pinchbeck Road Bridge | 2 Sept 1986 | 2 Mar 2011 | 13 |
| Tongue End | 5 Sept 1986 | 1 Mar 2011 | 9 |
| Guthram Gowt | 21 May 1991 | 2 Apr 2009 | 8 |
| Old Railway Bridge | 23 May 1991 | 23 Jun 1999 | 2 |
| Seas End | 4 Oct 1994 | 4 Oct 1994 | 1 |
| Baston | 17 May 1991 | 17 May 1991 | 1 |
| Thurlby Fen | 8 May 1991 | 8 May 1991 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1986–2017
Survey records by year
Each bar shows how many survey visits recorded roach that year.
Fish measured by surveyors
Measured length distribution
See how the 12,798 measured fish were spread across different length ranges.
- Smallest
- 2 cm
- Lower quarter
- 7 cm
- Median
- 9.5 cm
- Upper quarter
- 13 cm
- Largest
- 38 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the Lower Glen
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 →