RiverFish

Stone loach · Barbatula barbatula

Stone loach in the Harpers Brook

Largest measured stone loach: 9 cm

The largest stone loach measured in Environment Agency surveys of the Harpers Brook was 9 cm, recorded at Lowick on 15 March 1995.

Across 33 measured stone loach, the median measured length was 5 cm.

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

See stone loach records across England →

Most recent observation10 April 2015Downstream Brigstock STW
Largest measured stone loach
9 cm
Median length
5 cm
Fish measured
33
Survey locations
7

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
9 cm15 Mar 1995Lowick54434
9 cm15 Mar 1995Lowick54434
9 cm21 Feb 1992Downstream Islip Gauging Weir54430
8.5 cm16 Mar 1995Downstream Islip Gauging Weir54435
8 cm16 Mar 1995Downstream Islip Gauging Weir54435
8 cm15 Mar 1995Lowick54434
8 cm15 Mar 1995Lowick54434
7.5 cm23 Mar 1995Riffle (Harpers Brook TNR)54436
7.5 cm16 Mar 1995Downstream Islip Gauging Weir54435
7 cm16 Mar 1995Downstream Islip Gauging Weir54435

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
Downstream Brigstock STW14 Mar 198910 Apr 20152
Sudborough13 Mar 19959 Apr 20152
Lowick15 Mar 19959 Apr 20152
Downstream Islip Gauging Weir21 Feb 19923 Jul 20003
Riffle (Harpers Brook TNR)23 Mar 199523 Mar 19951
Stanion14 Mar 198918 Feb 19922
Brigstock Cricket Pitch6 Mar 19896 Mar 19891

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

1989–2015

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 33 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
5 cm
Median
5 cm
Upper quarter
7.5 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Harpers Brook

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

Minnow Bullhead Chub Dace Roach Brown / sea trout

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 →