RiverFish

Roach · Rutilus rutilus

Roach in the Poolstock Brook

Largest measured roach: 20.5 cm

The largest roach measured in Environment Agency surveys of the Poolstock Brook was 20.5 cm, recorded at ptc Douglas on 15 July 2005.

Across 63 measured roach, the median measured length was 11.2 cm.

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

See roach records across England →

Most recent observation24 July 2006ptc Douglas · 16 fish
Largest measured roach
20.5 cm
Median length
11.2 cm
Fish measured
63
Survey locations
1

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
20.5 cm15 Jul 2005ptc Douglas88237
18.3 cm6 Jul 2004ptc Douglas83303
15.7 cm6 Jul 2004ptc Douglas83303
15.1 cm9 Jul 2003ptc Douglas77937
14.2 cm24 Jul 2006ptc Douglas101273
14.2 cm9 Jul 2003ptc Douglas77937
14.2 cm9 Jul 2003ptc Douglas77937
13.9 cm9 Jul 2003ptc Douglas77937
13.5 cm24 Jul 2006ptc Douglas101273
13.2 cm24 Jul 2006ptc Douglas101273

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
ptc Douglas13 Jul 200024 Jul 20066

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

2000–2006

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 63 measured fish were spread across different length ranges.

Smallest
6.8 cm
Lower quarter
9.5 cm
Median
11.2 cm
Upper quarter
12.6 cm
Largest
20.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Poolstock Brook

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

Chub European eel Perch Dace Gudgeon

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 →