RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Gade

Largest measured stone loach: 13.2 cm

The largest stone loach measured in Environment Agency surveys of the River Gade was 13.2 cm, recorded at Piccotts End on 28 February 2002.

Across 159 measured stone loach, the median measured length was 8.7 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 Gade.

See stone loach records across England →

Most recent observation25 April 2024Cura Fisheries
Largest measured stone loach
13.2 cm
Median length
8.7 cm
Fish measured
159
Survey locations
8

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
13.2 cm28 Feb 2002Piccotts End79486
13.2 cm21 Feb 2002Dacorum College79484
12.9 cm6 Jun 2022Gadebridge Park161134
12.6 cm6 Jun 2022Gadebridge Park161134
12.5 cm6 Jun 2022Gadebridge Park161134
12.5 cm28 May 2021Gadebridge park pre-ehancement159867
12.5 cm21 Feb 2002Dacorum College79484
12.4 cm23 Jul 2004Cura Fisheries81303
12 cm3 Aug 2005Cassiobury Park85313
12 cm28 Feb 2002Piccotts End79486

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
Cura Fisheries23 Jul 200425 Apr 20246
Gadebridge Park12 Feb 20026 Jun 20225
Upstream Gadebridge Lane28 May 202128 May 20211
Gadebridge park pre-ehancement28 May 202128 May 20211
Kings Langley11 Jun 201311 Jun 20131
Cassiobury Park15 Jul 200323 Apr 20134
Piccotts End28 Feb 200228 Feb 20021
Dacorum College21 Feb 200221 Feb 20021

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

2002–2024

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 159 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
6.6 cm
Median
8.7 cm
Upper quarter
10.2 cm
Largest
13.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gade

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

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

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 →