Individual EA measurements
Largest measured stone loach
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 |
|---|---|---|---|
| 61.7 cm | 23 Jul 1997 | Tadcaster pre 2006 | 110123 |
| 54.6 cm | 22 Jul 1997 | Boston Spa | 110065 |
| 10.3 cm | 5 Aug 2014 | Appletreewick B (lower site) | 142191 |
| 9.9 cm | 1 Aug 2014 | Conistone d/s | 142217 |
| 9.8 cm | 13 Sept 2010 | Linton Stepping Stones | 123770 |
| 9.4 cm | 5 Aug 2014 | Appletreewick B (lower site) | 142191 |
| 9.4 cm | 13 Sept 2010 | Linton Stepping Stones | 123770 |
| 9.3 cm | 30 Jul 2014 | Hubberholme | 142180 |
| 9.3 cm | 13 Sept 2010 | Linton Stepping Stones | 123770 |
| 8.9 cm | 1 Aug 2014 | Conistone d/s | 142217 |
Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.
Explore the river
Where stone loach were found
Each point marks a survey location with at least one stone loach 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 stone loach |
|---|---|---|---|
| Starbotton | 1 Oct 2025 | 1 Oct 2025 | 1 |
| Redmires | 13 Jun 2003 | 1 Oct 2025 | 2 |
| Kettlewell | 30 Jul 2014 | 30 Sept 2025 | 2 |
| Boston Spa - Fry Survey | 29 Sept 1993 | 11 Aug 2025 | 9 |
| Pool Mill | 27 Jun 1996 | 22 Aug 2024 | 14 |
| Tadcaster post 2006 | 9 Jul 2010 | 20 Aug 2024 | 2 |
| Harewood | 14 Aug 2024 | 14 Aug 2024 | 1 |
| Netherby (discretionary only) | 26 Jul 2016 | 26 Jul 2016 | 1 |
| Ilkley | 1 Aug 1996 | 1 Sept 2014 | 8 |
| Appletreewick B (lower site) | 9 Aug 1996 | 5 Aug 2014 | 9 |
| Linton Stepping Stones | 3 Aug 1996 | 4 Aug 2014 | 9 |
| Conistone d/s | 14 Aug 1996 | 1 Aug 2014 | 9 |
| Hubberholme | 30 Jul 2014 | 30 Jul 2014 | 1 |
| Castley | 18 Jul 1996 | 24 Jun 2014 | 14 |
| Knotford | 15 Aug 1996 | 23 Jun 2014 | 10 |
| Ulleskelf | 25 Jul 1996 | 8 Jul 2010 | 6 |
| Buckden Upstream Gravel Trap | 5 Jun 2002 | 26 Jun 2008 | 5 |
| Tadcaster pre 2006 | 24 Jul 1996 | 30 Jun 2005 | 7 |
| Wetherby Grange | 12 Aug 1997 | 15 Jul 2004 | 5 |
| Burley Bypass | 31 Jul 1996 | 14 Jul 2004 | 4 |
| Appletreewick A | 9 Aug 1996 | 13 Aug 2003 | 7 |
| Addingham | 8 Aug 1996 | 11 Aug 2003 | 8 |
| Strid d/s (Bolton Abbey) | 4 Aug 1997 | 7 Aug 2003 | 3 |
| Nunnery | 7 Aug 1996 | 28 Jul 2003 | 7 |
| Cray Beck Confluence | 5 Jun 2002 | 12 Jun 2003 | 2 |
| Cray Beck | 12 Jun 2003 | 12 Jun 2003 | 1 |
| Boston Spa | 19 Jul 1996 | 18 Jul 2002 | 6 |
| Collingham | 26 Jul 1996 | 13 Aug 1998 | 3 |
| U/s of Lobwood Weir | 2 Aug 1996 | 6 Aug 1998 | 3 |
| U/s Boston Spa Weir | 16 Sept 1996 | 16 Sept 1996 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1993–2025
Survey records by year
Each bar shows how many survey visits recorded stone loach that year.
Fish measured by surveyors
Measured length distribution
See how the 124 measured fish were spread across different length ranges.
- Smallest
- 2.5 cm
- Lower quarter
- 5.4 cm
- Median
- 6.8 cm
- Upper quarter
- 7.5 cm
- Largest
- 61.7 cm
Lengths are direct survey measurements rather than anglers’ catches.
More fish in this river
Explore the River Wharfe
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 →