Individual EA measurements
Largest measured gudgeon
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 |
|---|---|---|---|
| 16.1 cm | 13 Feb 1988 | Homestead Park Lake Site 3 | 69438 |
| 16.1 cm | 13 Feb 1988 | Homestead Park Lake Site 1 | 69436 |
| 15.8 cm | 13 Apr 1987 | Sudbrook Lake | 69402 |
| 15.8 cm | 26 Nov 1985 | Sewstern Gullet Upper | 69357 |
| 15.6 cm | 13 Apr 1987 | Sudbrook Lake | 69402 |
| 15.2 cm | 13 Apr 1987 | Sudbrook Lake | 69402 |
| 15.1 cm | 13 Apr 1987 | Sudbrook Lake | 69402 |
| 15 cm | 7 Dec 1993 | Swan Lake Wainfleet | 69457 |
| 14.9 cm | 13 Apr 1987 | Sudbrook Lake | 69402 |
| 14.9 cm | 13 Apr 1987 | Sudbrook Lake | 69402 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where gudgeon were found
Each point marks a survey location with at least one gudgeon 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 gudgeon |
|---|---|---|---|
| Heapham Reservoir | 11 Dec 2007 | 11 Dec 2007 | 1 |
| Goltho Lake | 16 Nov 2005 | 16 Nov 2005 | 1 |
| Fish Ponds Usselby | 19 Mar 2002 | 19 Mar 2002 | 1 |
| Pinders Lake | 6 Dec 2001 | 6 Dec 2001 | 1 |
| Hogsthorpe A.C. Lake | 26 Jan 2000 | 26 Jan 2000 | 1 |
| Woodlands Spilsby | 30 Nov 1999 | 30 Nov 1999 | 1 |
| Brickyard Wragby Site 1 (Waltonians) | 26 Feb 1998 | 26 Feb 1998 | 1 |
| Normanby Park Site 2 | 16 Feb 1998 | 16 Feb 1998 | 1 |
| Normanby Park Site 1 | 16 Feb 1998 | 16 Feb 1998 | 1 |
| Alvingham Fisheries | 5 Feb 1998 | 5 Feb 1998 | 1 |
| Marisco | 22 Jan 1998 | 22 Jan 1998 | 1 |
| Louth Canal Refuge | 21 Jan 1998 | 21 Jan 1998 | 1 |
| Bells Lake Site 0 | 30 Jan 1997 | 30 Jan 1997 | 1 |
| Bussock Lake | 31 Oct 1995 | 31 Oct 1995 | 1 |
| Aylesby 25 Lake North Thoresby | 26 Jan 1995 | 26 Jan 1995 | 1 |
| Homestead Park Lake Site 0 | 16 Jan 1995 | 16 Jan 1995 | 1 |
| Shortferry Lake | 11 Jan 1994 | 11 Jan 1994 | 1 |
| Swan Lake Wainfleet | 7 Dec 1993 | 7 Dec 1993 | 1 |
| Simons Lake | 29 Nov 1993 | 29 Nov 1993 | 1 |
| Wold Newton Lake | 12 Mar 1990 | 12 Mar 1990 | 1 |
| Manley Gardens Brigg | 16 Feb 1989 | 16 Feb 1989 | 1 |
| Homestead Park Lake Site 3 | 13 Feb 1988 | 13 Feb 1988 | 1 |
| Homestead Park Lake Site 2 | 13 Feb 1988 | 13 Feb 1988 | 1 |
| Homestead Park Lake Site 1 | 13 Feb 1988 | 13 Feb 1988 | 1 |
| Tattershall Castle Moat | 30 Nov 1987 | 30 Nov 1987 | 1 |
| T. Hall Fishing Lake | 26 Nov 1987 | 26 Nov 1987 | 1 |
| Chuck Hatch Lake | 30 Oct 1987 | 30 Oct 1987 | 1 |
| Beningworth Lake | 19 Oct 1987 | 19 Oct 1987 | 1 |
| Sudbrook Lake | 13 Apr 1987 | 13 Apr 1987 | 1 |
| Conoco A.C. Immingham | 5 Mar 1987 | 5 Mar 1987 | 1 |
| West Ashby Lakes Entrance Pond West Ashby | 2 Mar 1987 | 2 Mar 1987 | 1 |
| West Ashby Lakes Canal West Ashby | 15 Feb 1987 | 15 Feb 1987 | 1 |
| Goltho Lake Site 2 (Southern) | 2 Dec 1986 | 2 Dec 1986 | 1 |
| Goltho Lake Site 1 (Northern) | 2 Dec 1986 | 2 Dec 1986 | 1 |
| Revesby Reservoir | 11 Nov 1986 | 11 Nov 1986 | 1 |
| Manor Fishing Lake | 24 Sept 1986 | 24 Sept 1986 | 1 |
| Sewstern Gullet Upper | 26 Nov 1985 | 26 Nov 1985 | 1 |
| Bradley Pond | 8 Nov 1985 | 8 Nov 1985 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1985–2007
Survey records by year
Each bar shows how many survey visits recorded gudgeon that year.
Fish measured by surveyors
Measured length distribution
See how the 3,103 measured fish were spread across different length ranges.
- Smallest
- 1.1 cm
- Lower quarter
- 8.5 cm
- Median
- 10 cm
- Upper quarter
- 11.2 cm
- Largest
- 16.1 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the Lincolnshire Lakes
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 →