RiverFish

Roach · Rutilus rutilus

Roach in the River Ouse/Ure eel surveys

Largest measured roach: 24.4 cm

The largest roach measured in Environment Agency surveys of the River Ouse/Ure eel surveys was 24.4 cm, recorded at Stillingfleet eel survey on 30 June 2016.

Across 662 measured roach, the median measured length was 8.8 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 Ouse/Ure eel surveys.

See roach records across England →

Most recent observation11 June 2026River Foss at Lilling Green (Eel) · 20 fish
Largest measured roach
24.4 cm
Median length
8.8 cm
Fish measured
662
Survey locations
9

Individual EA measurements

Largest measured roach

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
24.4 cm30 Jun 2016Stillingfleet eel survey148340
23.8 cm4 Jun 2014Stillingfleet eel survey141559
22.6 cm30 Jun 2016Stillingfleet eel survey148340
21.6 cm30 Jun 2016Stillingfleet eel survey148340
21.6 cm30 Jun 2016Stillingfleet eel survey148340
21.2 cm30 Jun 2016Stillingfleet eel survey148340
21.2 cm30 Jun 2016Stillingfleet eel survey148340
20.8 cm30 Jun 2016Stillingfleet eel survey148340
20.3 cm30 Jun 2016Stillingfleet eel survey148340
20.2 cm30 Jun 2016Stillingfleet eel survey148340

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where roach were found

Each point marks a survey location with at least one roach 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 roach
River Foss at Lilling Green (Eel)15 Jun 201611 Jun 20263
Selby Dam at Low Rest Park Farm24 Jun 202210 Jun 20263
River Kyle Youlton Lodge9 Jun 20221 Jun 20263
Stillingfleet eel survey4 Jun 20145 Aug 20243
Holbeck at Boroughbridge Road Bridge8 Jun 201010 Jun 20242
River Kyle u/s New Parks Beck13 Jun 201415 Jun 20183
Selby Dam at Meadway17 Jul 201214 Jun 20163
Upstream Linton Lock Fyke Nets8 Jun 20168 Jun 20161
River Skell d/s Ripon Bypass6 Jun 20166 Jun 20161

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

2010–2026

Survey records by year

Each bar shows how many survey visits recorded roach that year.

Fish measured by surveyors

Measured length distribution

See how the 662 measured fish were spread across different length ranges.

Smallest
2.7 cm
Lower quarter
5.6 cm
Median
8.8 cm
Upper quarter
12.8 cm
Largest
24.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ouse/Ure eel surveys

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

European eel 3-spined stickleback Bullhead Stone loach Gudgeon Minnow

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 →