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 |
|---|---|---|---|
| 15.5 cm | 18 Jun 2003 | Somerford Bridge (Te) | 76211 |
| 15.4 cm | 10 Aug 2005 | Somerford Bridge (Te) | 85431 |
| 15 cm | 1 Jul 2004 | Somerford Bridge (Te) | 80249 |
| 14.7 cm | 1 Jul 2004 | Somerford Bridge (Te) | 80249 |
| 14.5 cm | 18 Jun 2003 | Somerford Bridge (Te) | 76211 |
| 14.2 cm | 18 Jun 2003 | Somerford Bridge (Te) | 76211 |
| 14.1 cm | 13 Jul 2006 | Somerford Bridge (Te) | 100120 |
| 14 cm | 10 Aug 2005 | Somerford Bridge (Te) | 85431 |
| 13.3 cm | 1 Jul 2004 | Somerford Bridge (Te) | 80249 |
| 13.3 cm | 18 Jun 2003 | Somerford Bridge (Te) | 76211 |
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 |
|---|---|---|---|
| u/s Brinkworth Bridge | 15 Apr 2014 | 15 Apr 2014 | 1 |
| Somerford Bridge (Te) | 21 Jul 1993 | 27 Apr 2010 | 6 |
| Brinkworth | 29 Jul 1993 | 29 Jul 1993 | 1 |
| Hookers Gate | 28 Jul 1993 | 28 Jul 1993 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1993–2014
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 35 measured fish were spread across different length ranges.
- Smallest
- 8.3 cm
- Lower quarter
- 11.6 cm
- Median
- 12.5 cm
- Upper quarter
- 13.3 cm
- Largest
- 15.5 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 33 gudgeon. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.2 oz (0.007 kg)
- Lower quarter
- 0.8 oz (0.022 kg)
- Median
- 1 oz (0.027 kg)
- Upper quarter
- 1.1 oz (0.032 kg)
- Heaviest
- 1.9 oz (0.054 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Brinkworth Brook
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 →