RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Stiffkey

Largest measured stone loach: 13.5 cm

The largest stone loach measured in Environment Agency surveys of the River Stiffkey was 13.5 cm, recorded at Warham on 17 October 2009.

Across 2,211 measured stone loach, the median measured length was 8.3 cm.

Surveyors recorded weights for 71 stone loach. The median was 0.1 oz (0.0021 kg) and the largest recorded weight was 0.5 oz (0.0128 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Stiffkey.

See stone loach records across England →

Most recent observation1 May 2026Upstream Home Farm · 27 fish
Largest measured stone loach
13.5 cm
Median length
8.3 cm
Fish measured
2,211
Survey locations
16

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.

LengthSurvey dateSurvey locationSurvey ID
13.5 cm17 Oct 2009Warham119585
12.9 cm11 May 2011Upstream Home Farm126944
12.7 cm17 Oct 2009Warham119585
12.5 cm2 May 2011Downstream Wighton Bridge126493
12.4 cm28 Apr 2017East Barsham151069
12.4 cm15 Oct 2009Downstream Wighton Bridge119556
12.3 cm4 May 2017Upstream Little Walsingham151084
12.3 cm17 Oct 2009Warham119585
12.2 cm17 Oct 2009Warham119585
12.2 cm30 May 2008Great Walsingham111296

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 surveyedFirst recordedLast recordedVisits finding stone loach
Upstream Home Farm21 Apr 19881 May 202611
Downstream Wighton Bridge18 Apr 198830 Apr 202612
East Barsham11 Apr 198823 Apr 202611
Warham14 Apr 198822 Apr 202612
Upstream Little Walsingham12 Apr 198810 Apr 202611
Great Walsingham13 Apr 198812 Jun 202312
Langham Bridge (u/s)21 Mar 200310 Apr 20082
Sidney House Farm east tributary, Saxlingham27 Mar 200327 Mar 20031
Sidney House Farm Meadow27 Mar 200327 Mar 20031
Langham Lane, Saxlingham27 Mar 200327 Mar 20031
Wrights Carr (u/s), Great Walsingham18 Mar 200318 Mar 20031
Wades Beck Bridge17 Mar 200317 Mar 20031
Fulmodeston Bridge11 Mar 200311 Mar 20031
Wood Farm Embankment (ds)10 Mar 200310 Mar 20031
Great Snoring9 Mar 198811 Apr 20004
Cockthorpe Common23 Apr 19886 Apr 20003

Choose a point or table row to see the location. More survey visits can mean more records, but not necessarily more fish.

1988–2026

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 2,211 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
6.5 cm
Median
8.3 cm
Upper quarter
9.5 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 71 stone loach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.0005 kg)
Lower quarter
0 oz (0.001 kg)
Median
0.1 oz (0.0021 kg)
Upper quarter
0.3 oz (0.0071 kg)
Heaviest
0.5 oz (0.0128 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 Stiffkey

Compare other species with enough survey and measurement data for a detailed page.

Brown / sea trout Bullhead European eel 3-spined stickleback Brook lamprey Gudgeon

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 →