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 cm | 11 Jun 2014 | North field brook - Four Pillars hotel | 143632 |
| 14.2 cm | 3 Aug 2004 | Seacourt stream - Wytham Mill | 80775 |
| 13.6 cm | 31 Aug 2011 | North field brook - Four Pillars hotel | 129624 |
| 13.5 cm | 31 Aug 2011 | North field brook - Four Pillars hotel | 129624 |
| 13.5 cm | 31 Aug 2011 | North field brook - Four Pillars hotel | 129624 |
| 13.5 cm | 3 Sept 2008 | Castle Mill Stream - College Gardens | 113925 |
| 13.4 cm | 11 Jun 2014 | North field brook - Four Pillars hotel | 143632 |
| 13.2 cm | 4 Apr 2019 | Bulstake Stream - Botley Park | 154463 |
| 13.1 cm | 31 Aug 2011 | North field brook - Four Pillars hotel | 129624 |
| 13.1 cm | 10 Aug 2004 | Osney Stream - St Frideswides Church | 81209 |
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 |
|---|---|---|---|
| Bulstake Stream - Botley Park | 27 Aug 2008 | 4 Apr 2019 | 3 |
| Castle Mill Stream - Jericho | 27 Aug 2014 | 27 Aug 2014 | 1 |
| Osney Stream - St Frideswides Church | 10 Aug 2004 | 18 Aug 2014 | 3 |
| Castle Mill Stream - College Gardens | 12 Aug 2004 | 18 Aug 2014 | 3 |
| Seacourt stream - Wytham Mill | 3 Aug 2004 | 12 Aug 2014 | 2 |
| Seacourt Stream - North Hinksey | 12 Aug 2014 | 12 Aug 2014 | 1 |
| Wolvercote Mill Stream - Wolvercote Mill East Arm | 11 Aug 2004 | 11 Aug 2014 | 2 |
| Wolvercote Mill Stream - A34 Road Bridge | 7 Aug 2014 | 7 Aug 2014 | 1 |
| Botley Stream - Golf Range | 1 Aug 2014 | 1 Aug 2014 | 1 |
| North field brook - Four Pillars hotel | 10 Aug 2006 | 11 Jun 2014 | 3 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
2004–2019
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 1,123 measured fish were spread across different length ranges.
- Smallest
- 3.3 cm
- Lower quarter
- 7.8 cm
- Median
- 8.9 cm
- Upper quarter
- 10.9 cm
- Largest
- 15 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Oxford Watercourses
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 →