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 |
|---|---|---|---|
| 13.5 cm | 24 Oct 2017 | Buttsbury Ford | 152378 |
| 12.2 cm | 1 Dec 1986 | Chain Bridge | 14527 |
| 11.9 cm | 6 Apr 1993 | Fitzwalters | 14552 |
| 11.8 cm | 17 Oct 2019 | Whites Bridge | 156042 |
| 11.8 cm | 7 Nov 2014 | Buttsbury Ford | 143982 |
| 11.5 cm | 24 Oct 2017 | Buttsbury Ford | 152378 |
| 11.5 cm | 22 Nov 2001 | Ingatestone STW | 22083 |
| 11.5 cm | 17 Feb 1984 | Chain Bridge | 63281 |
| 11.5 cm | 16 Feb 1984 | Mountnessing Hall | 63260 |
| 11.4 cm | 7 Nov 2014 | Buttsbury Ford | 143982 |
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 |
|---|---|---|---|
| Whites Bridge | 12 Dec 2001 | 17 Oct 2019 | 5 |
| Ingatestone STW | 22 Nov 2001 | 27 Oct 2017 | 3 |
| Buttsbury Ford | 30 Nov 2007 | 24 Oct 2017 | 3 |
| Mountnessing Hall | 16 Feb 1984 | 23 Oct 2017 | 7 |
| Can Confluence | 4 Mar 1993 | 3 Oct 2013 | 4 |
| Chain Bridge | 17 Feb 1984 | 29 Apr 2002 | 3 |
| Killigrews | 4 Dec 1986 | 22 Apr 2002 | 2 |
| Shakestones Farm | 11 Mar 2002 | 11 Mar 2002 | 1 |
| Fitzwalters | 25 Nov 1986 | 8 Jan 2002 | 6 |
| Lawness Bridge | 15 Feb 1984 | 4 Jan 2002 | 3 |
| Margaretting Hall | 3 Jan 2002 | 3 Jan 2002 | 1 |
Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.
1984–2019
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 164 measured fish were spread across different length ranges.
- Smallest
- 4.2 cm
- Lower quarter
- 8.7 cm
- Median
- 9.5 cm
- Upper quarter
- 10.5 cm
- Largest
- 13.5 cm
Lengths are direct survey measurements rather than anglers’ catches.
Fish weighed by surveyors
Measured weight summary
Recorded weights were available for 4 stone loach. This is a subset of the measured fish and may not represent the whole population.
- Lightest
- 0.2 oz (0.007 kg)
- Lower quarter
- 0.3 oz (0.0085 kg)
- Median
- 0.4 oz (0.0105 kg)
- Upper quarter
- 0.4 oz (0.0122 kg)
- Heaviest
- 0.5 oz (0.013 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 Wid (Main Reaches)
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 →