RiverFish

Roach · Rutilus rutilus

Roach in the Blue Gowt Drain

Largest measured roach: 24.5 cm

The largest roach measured in Environment Agency surveys of the Blue Gowt Drain was 24.5 cm, recorded at Upstream Glen Confluence on 29 March 1994.

Across 900 measured roach, the median measured length was 9.5 cm.

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

See roach records across England →

Most recent observation22 March 2011Upstream Glen Confluence · 2 fish
Largest measured roach
24.5 cm
Median length
9.5 cm
Fish measured
900
Survey locations
2

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
24.5 cm29 Mar 1994Upstream Glen Confluence54329
21 cm29 Mar 1994Upstream Glen Confluence54329
21 cm29 Mar 1994Upstream Glen Confluence54329
20.5 cm4 Jun 1991Upstream Glen Confluence54313
20.5 cm4 Jun 1991Upstream Glen Confluence54313
19.5 cm4 Jun 1991Upstream Glen Confluence54313
19.5 cm4 Jun 1991Upstream Glen Confluence54313
19.5 cm4 Jun 1991Upstream Glen Confluence54313
19 cm29 Mar 1994Upstream Glen Confluence54329
17.5 cm4 Jun 1991Downstream Blue Gowt Pump54312

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 Glen Confluence4 Jun 199122 Mar 20113
Downstream Blue Gowt Pump4 Jun 199125 Mar 19942

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

1991–2011

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 900 measured fish were spread across different length ranges.

Smallest
4.5 cm
Lower quarter
8.5 cm
Median
9.5 cm
Upper quarter
11 cm
Largest
24.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Blue Gowt Drain

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

Perch

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 →