RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Granta

Largest measured stone loach: 11.3 cm

The largest stone loach measured in Environment Agency surveys of the River Granta was 11.3 cm, recorded at Babraham on 29 October 1993.

Across 295 measured stone loach, the median measured length was 7.9 cm.

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

See stone loach records across England →

Most recent observation21 May 2025Babraham · 3 fish
Largest measured stone loach
11.3 cm
Median length
7.9 cm
Fish measured
295
Survey locations
6

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
11.3 cm29 Oct 1993Babraham29408
11.3 cm29 Oct 1993Babraham29408
11.3 cm29 Oct 1993Babraham (I.A.P)29407
11.1 cm10 Apr 2013Babraham135830
10.8 cm12 Apr 2019Hildersham154430
10.8 cm7 Oct 2011Granta Park128350
10.6 cm12 Apr 2019Hildersham154430
10.5 cm20 Mar 2007Hildersham104959
10.4 cm14 May 2025Hildersham176550
10.3 cm29 Oct 1993Babraham29408

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
Babraham17 Apr 199121 May 202511
Babraham (I.A.P)29 Oct 199320 May 20259
Hildersham24 Jan 199714 May 20258
Great Shelford4 Apr 200717 May 20226
Granta Park7 Oct 20117 Oct 20111
DS Hildersham16 May 200114 May 20032

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

1991–2025

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 295 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
7.1 cm
Median
7.9 cm
Upper quarter
8.7 cm
Largest
11.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Granta

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

3-spined stickleback Brown / sea trout Bullhead Minnow Roach 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 →