Stone loach · Barbatula barbatula

Stone loach in the River Otter Sites

Largest measured stone loach: 12.3 cm

The largest stone loach measured in Environment Agency surveys of the River Otter Sites was 12.3 cm, recorded at Twistgates (Te) (Sweetlands Farm) on 24 June 2021.

Across 222 measured stone loach, the median measured length was 7.3 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 Otter Sites.

See stone loach records across England →

Most recent observation18 July 2025Tipton St John playing field (WFD) · 81 fish
Largest measured stone loach
12.3 cm
Median length
7.3 cm
Fish measured
222
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
12.3 cm24 Jun 2021Twistgates (Te) (Sweetlands Farm)160701
11.5 cm14 Jun 2016Monkton (Sp)148245
11.2 cm30 Jun 2016Upstream Colhayes Bridge (Dip)148329
11.2 cm14 Jun 2016Monkton (Sp)148245
11 cm14 Jun 2016Monkton (Sp)148245
10.6 cm30 Jun 2016Upstream Colhayes Bridge (Dip)148329
10.6 cm14 Jun 2016Monkton (Sp)148245
10.5 cm24 Jun 2021Twistgates (Te) (Sweetlands Farm)160701
10.5 cm30 Jun 2016Upstream Colhayes Bridge (Dip)148329
10.5 cm30 Jun 2016Upstream Colhayes Bridge (Dip)148329

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
Tipton St John playing field (WFD)22 Jul 201118 Jul 20254
Twistgates (Te) (Sweetlands Farm)15 Jul 200211 Jul 202313
Monkton (Sp)18 Sept 199815 Jun 20235
Upstream Colhayes Bridge (Dip)6 Oct 19987 Jun 20236
Otterton Bridge (Dip/WFD)29 Sept 199829 Jul 20217
Tipton St John (Dip)*19 Jul 20054 Oct 20062
Upstream Cadhay (Dip)*9 Oct 199827 May 20032

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

1998–2025

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 222 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
6.2 cm
Median
7.4 cm
Upper quarter
8.5 cm
Largest
12.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Otter Sites

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

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 →