Individual EA measurements
Largest measured bullhead
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 |
|---|---|---|---|
| 8 cm | 5 Nov 1997 | Stalkers Bridge Q | 72612 |
| 7.2 cm | 11 Jul 2002 | Clayton/Hammonds Mill Farm sq | 61321 |
| 7 cm | 11 Jul 2002 | Clayton/Hammonds Mill Farm sq | 61321 |
| 6.5 cm | 2 Jul 2002 | Stalkers Bridge sq | 62421 |
| 6 cm | 11 Jul 2002 | Clayton/Hammonds Mill Farm sq | 61321 |
| 5.6 cm | 5 Nov 1997 | Stalkers Bridge Q | 72612 |
| 5.5 cm | 11 Jul 2002 | Clayton/Hammonds Mill Farm sq | 61321 |
| 5.5 cm | 11 Jul 2002 | Clayton/Hammonds Mill Farm sq | 61321 |
| 5.4 cm | 11 Jul 2002 | Clayton/Hammonds Mill Farm sq | 61321 |
| 5.4 cm | 5 Nov 1997 | Stalkers Bridge Q | 72612 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where bullhead were found
Each point marks a survey location with at least one bullhead 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 bullhead |
|---|---|---|---|
| Hornesdene Farm | 24 Aug 2011 | 16 Aug 2016 | 2 |
| Clayton/Hammonds Mill Farm sq | 11 Jul 2002 | 11 Jul 2002 | 1 |
| Stalkers Bridge sq | 2 Jul 2002 | 2 Jul 2002 | 1 |
| Stalkers Bridge Q | 5 Nov 1997 | 5 Nov 1997 | 1 |
| Clayton/Hammonds Mill Farm Q | 30 Sept 1997 | 30 Sept 1997 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1997–2016
Survey records by year
Each bar shows how many survey visits recorded bullhead that year.
Fish measured by surveyors
Measured length distribution
See how the 17 measured fish were spread across different length ranges.
- Smallest
- 1.5 cm
- Lower quarter
- 5 cm
- Median
- 5.4 cm
- Upper quarter
- 6 cm
- Largest
- 8 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 17 bullhead. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0 oz (0.001 kg)
- Lower quarter
- 0 oz (0.001 kg)
- Median
- 0.1 oz (0.002 kg)
- Upper quarter
- 0.1 oz (0.004 kg)
- Heaviest
- 0.3 oz (0.008 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the Herrings Stream
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 →