RiverFish

Stone loach · Barbatula barbatula

Stone loach in the River Rye

Largest measured stone loach: 11.6 cm

The largest stone loach measured in Environment Agency surveys of the River Rye was 11.6 cm, recorded at R.Rye at Nunnington on 30 August 2018.

Across 114 measured stone loach, the median measured length was 8.2 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 Rye.

See stone loach records across England →

Most recent observation20 August 2025R.Rye at Nunnington
Largest measured stone loach
11.6 cm
Median length
8.2 cm
Fish measured
114
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
11.6 cm30 Aug 2018R.Rye at Nunnington153287
11.3 cm4 Oct 2007R.Rye at Nunnington107144
10.7 cm15 Aug 2022R.Rye at Nunnington161454
10.5 cm30 Aug 2018R.Rye at Nunnington153287
10.4 cm15 Aug 2022R.Rye at Nunnington161454
10.4 cm27 Aug 2013R. Rye at Duncombe Park above Sink Hole138501
10.2 cm15 Aug 2022R.Rye at Nunnington161454
10.2 cm15 Aug 2022R.Rye at Nunnington161454
10.1 cm15 Aug 2022R.Rye at Nunnington161454
10.1 cm4 Oct 2007R.Rye at Nunnington107144

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
R.Rye at Nunnington17 Sept 199720 Aug 202510
R.Rye at Shaken bdg23 Aug 201211 Sept 20242
R. Rye at Duncombe Park above Sink Hole27 Aug 201327 Aug 20131
R.Rye at Butterwick17 Sept 199726 Jun 20062
R.Rye at Howe Bridge DERCORS125 Sept 200120 Sept 20055
R.Rye, d/s of Church Bridge. DERBT3827 Aug 200327 Aug 20031

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

1997–2025

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 114 measured fish were spread across different length ranges.

Smallest
4.3 cm
Lower quarter
7.2 cm
Median
8.2 cm
Upper quarter
9.4 cm
Largest
11.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rye

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

Bullhead Brown / sea trout Grayling Rainbow trout Minnow European eel

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 →