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 |
|---|---|---|---|
| 12.5 cm | 21 Sept 2007 | Palmers Farm (Sp/WFD) | 106803 |
| 11.4 cm | 29 May 2019 | Lears Farm (Sp) | 154566 |
| 10.9 cm | 8 Sept 2009 | Coldharbour Leat (CFTe)* | 118848 |
| 10.7 cm | 8 Aug 2019 | Whitehall Bridge (Sp) | 155033 |
| 10.6 cm | 18 Jun 2019 | Uffculme (Sp) | 154621 |
| 10.5 cm | 29 May 2019 | Lears Farm (Sp) | 154566 |
| 10.5 cm | 29 May 2019 | Lears Farm (Sp) | 154566 |
| 10.5 cm | 29 Apr 2019 | Glasshouses | 154868 |
| 10.5 cm | 29 Apr 2019 | Glasshouses | 154868 |
| 10.4 cm | 29 Apr 2019 | Glasshouses | 154868 |
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 |
|---|---|---|---|
| Glasshouses | 29 Apr 2019 | 22 May 2026 | 2 |
| Palmers Farm (Sp/WFD) | 30 May 1997 | 29 May 2025 | 6 |
| Downstream Ellerhayes Bridge | 5 Oct 2023 | 5 Oct 2023 | 1 |
| Columbjohn (CFTe/wfdi)* | 18 Jun 1997 | 5 Oct 2023 | 10 |
| Whitehall Bridge (Sp) | 4 Jul 2013 | 8 Aug 2019 | 2 |
| 200m Downstream Culmstock Bridge (Sp /Dip) | 25 Jun 2013 | 8 Aug 2019 | 2 |
| Uffculme (Sp) | 9 Jun 1997 | 18 Jun 2019 | 5 |
| Lears Farm (Sp) | 30 May 1997 | 29 May 2019 | 5 |
| Venn Farm (Sp)* | 20 Jun 2000 | 1 Jul 2013 | 3 |
| Coldharbour Leat (CFTe)* | 8 Oct 2003 | 8 Sept 2009 | 6 |
| Langlands D/s ford (Dip)* | 11 Oct 2003 | 1 Oct 2008 | 5 |
| Downstream Culmstock Br. (Dip)* | 16 Sept 2008 | 16 Sept 2008 | 1 |
| Hemyock (Sp)* | 22 May 2008 | 22 May 2008 | 1 |
| Langlands Horseshoe (Dip)* | 8 Oct 2003 | 2 Nov 2006 | 4 |
| Lower Kingsmill (CFTe)* | 10 Jun 1997 | 24 Sept 2003 | 3 |
| Skinners Farm (Sp)* | 21 Jun 2000 | 21 Jun 2000 | 1 |
| Bagbear Farm (Sp)* | 30 May 1997 | 19 Jun 2000 | 2 |
| Stoke Canon (CFTe)* | 17 Jun 1997 | 17 Jun 1997 | 1 |
| Southey Barton (Sp)* | 6 Jun 1997 | 6 Jun 1997 | 1 |
| Culmstock (Sp)* | 6 Jun 1997 | 6 Jun 1997 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1997–2026
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 299 measured fish were spread across different length ranges.
- Smallest
- 3.6 cm
- Lower quarter
- 6.2 cm
- Median
- 7.3 cm
- Upper quarter
- 8.5 cm
- Largest
- 12.5 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 18 stone loach. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0 oz (0.001 kg)
- Lower quarter
- 0.2 oz (0.0045 kg)
- Median
- 0.2 oz (0.007 kg)
- Upper quarter
- 0.3 oz (0.0088 kg)
- Heaviest
- 1.5 oz (0.042 kg)
These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.
More fish in this river
Explore the River Main Culm
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 →