RiverFish

Roach · Rutilus rutilus

Roach in the Bow Lake

Largest measured roach: 21.5 cm

The largest roach measured in Environment Agency surveys of the Bow Lake was 21.5 cm, recorded at Bow lake fish farm on 31 July 2014.

Across 95 measured roach, the median measured length was 9.2 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Bow Lake.

See roach records across England →

Most recent observation31 July 2014Upstream of Leylands Farm · 15 fish
Largest measured roach
21.5 cm
Median length
9.2 cm
Fish measured
95
Survey locations
3

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
21.5 cm31 Jul 2014Bow lake fish farm142058
19 cm31 Jul 2014Bow lake fish farm142058
17 cm31 Jul 2014Bow lake fish farm142058
16.5 cm31 Jul 2014Bow lake fish farm142058
16.4 cm31 Jul 2014Bow lake fish farm142058
16.4 cm31 Jul 2014Bow lake fish farm142058
16 cm31 Jul 2014Bow lake fish farm142058
16 cm31 Jul 2014Bow lake fish farm142058
15.8 cm31 Jul 2014Bow lake fish farm142058
15.8 cm31 Jul 2014Bow lake fish farm142058

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
Upstream of Leylands Farm31 Jul 201431 Jul 20141
Bow lake fish farm26 Oct 200931 Jul 20142
Leyland's Farm1 Sept 20111 Sept 20111

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

2009–2014

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 95 measured fish were spread across different length ranges.

Smallest
5.4 cm
Lower quarter
7.1 cm
Median
9.2 cm
Upper quarter
12.9 cm
Largest
21.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bow Lake

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

3-spined stickleback Gudgeon Stone loach European eel Tench

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 →