Individual EA measurements
Largest measured bleak
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 |
|---|---|---|---|
| 99.9 cm | 17 Jul 2003 | Hewick Bridge (Boom boat) | 78210 |
| 16.2 cm | 17 Jul 2006 | Westwick | 100737 |
| 15.6 cm | 19 Jul 2002 | Langthorpe (single anode) | 63160 |
| 15.4 cm | 19 Jul 2002 | Langthorpe (Boom Boat) | 63143 |
| 15.3 cm | 19 Jul 2002 | Langthorpe (single anode) | 63160 |
| 15.2 cm | 16 Jul 2012 | Westwick | 132601 |
| 15 cm | 16 Jul 2025 | Boroughbridge | 177533 |
| 14.8 cm | 15 Jul 2024 | Westwick | 165655 |
| 14.7 cm | 12 Jul 2005 | Westwick | 86027 |
| 14.5 cm | 7 Jul 2016 | Westwick | 148421 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where bleak were found
Each point marks a survey location with at least one bleak 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 bleak |
|---|---|---|---|
| Boroughbridge | 28 Jul 2004 | 16 Jul 2025 | 6 |
| Boroughbridge - Fry Survey | 20 Sept 1984 | 14 Aug 2024 | 24 |
| Westwick | 22 Jul 2004 | 15 Jul 2024 | 14 |
| Hewick Bridge (single anode) | 14 Jul 2010 | 12 Jul 2019 | 2 |
| Aldwark Bridge (single anode) | 30 Jul 1996 | 24 Jun 2010 | 12 |
| Langthorpe (single anode) | 22 Jul 1997 | 12 Jul 2005 | 6 |
| Dunsforth | 3 Jul 2002 | 7 Jul 2005 | 3 |
| Hewick Bridge (Boom boat) | 17 Jul 2003 | 17 Jul 2003 | 1 |
| Aldwark Bridge (Seine Net site) | 29 Jul 1996 | 16 Jul 2003 | 6 |
| Aldwark Bridge (Boom boat) | 30 Jul 1996 | 16 Jul 2003 | 8 |
| Aldborough (single anode) | 30 Jul 1996 | 22 Jul 2002 | 3 |
| Aldborough (Boom boat) | 21 Jul 1997 | 22 Jul 2002 | 4 |
| Langthorpe (Boom Boat) | 22 Jul 1997 | 19 Jul 2002 | 6 |
| Bellflask - Fry Survey | 19 Sept 2000 | 19 Sept 2000 | 1 |
| Aldwark Bridge (Gill Net) | 31 Jul 1997 | 31 Jul 1997 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1984–2025
Survey records by year
Each bar shows how many survey visits recorded bleak that year.
Fish measured by surveyors
Measured length distribution
See how the 1,162 measured fish were spread across different length ranges.
- Smallest
- 0.5 cm
- Lower quarter
- 4 cm
- Median
- 6.5 cm
- Upper quarter
- 9.4 cm
- Largest
- 99.9 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Ure
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 →