RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Hull eel surveys

Largest measured stone loach: 12.6 cm

The largest stone loach measured in Environment Agency surveys of the River Hull eel surveys was 12.6 cm, recorded at Mires beck at Beckside Farm on 3 June 2015.

Across 139 measured stone loach, the median measured length was 5.8 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 Hull eel surveys.

See stone loach records across England →

Most recent observation16 June 2025Major Bridge, river Foulness
Largest measured stone loach
12.6 cm
Median length
5.8 cm
Fish measured
139
Survey locations
10

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
12.6 cm3 Jun 2015Mires beck at Beckside Farm144861
12.2 cm14 Jul 2021Mires beck at Beckside Farm159946
12.1 cm14 Jul 2021Mires beck at Beckside Farm159946
12.1 cm14 Jul 2021Mires beck at Beckside Farm159946
11.1 cm14 Jul 2021Mires beck at Beckside Farm159946
10.9 cm13 Jun 2011Mires beck at Sands bridge128851
10.3 cm13 Jun 2011Mires beck at Sands bridge128851
9.7 cm3 Jun 2015Mires beck at Beckside Farm144861
9.1 cm14 Jul 2021Mires beck at Beckside Farm159946
9.1 cm5 Jun 2019Arram beck154588

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
Major Bridge, river Foulness13 Jun 201316 Jun 20253
Driffield Navigational canal at Brigham15 Jun 201111 Jun 20257
Watton beck at Bridge House Farm9 Jun 20114 Jun 20257
Mires beck at Sands bridge13 Jun 20112 Jun 20256
Mires beck at Beckside Farm7 Jun 20132 Jun 20257
Arram beck9 Jun 20115 Jun 20193
Monk Dike at A103510 Jun 201314 Jun 20173
Scurf dike at R.Hull confluence8 Jun 20158 Jun 20151
Skerne Beck Upstream confluence with West Beck11 Jul 20115 Jun 20152
Cleg dike10 Jun 201110 Jun 20111

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

2011–2025

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 139 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
5.1 cm
Median
5.8 cm
Upper quarter
7.1 cm
Largest
12.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hull eel surveys

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

Roach 3-spined stickleback European eel Pike Perch Bullhead

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 →