RiverFish

Roach · Rutilus rutilus

Roach in the County Brook

Largest measured roach: 9.2 cm

The largest roach measured in Environment Agency surveys of the County Brook was 9.2 cm, recorded at d/s Fold Brook on 1 September 2022.

Across 13 measured roach, the median measured length was 6.8 cm.

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

See roach records across England →

Most recent observation1 September 2022d/s Fold Brook · 9 fish
Largest measured roach
9.2 cm
Median length
6.8 cm
Fish measured
13
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
9.2 cm1 Sept 2022d/s Fold Brook161424
8.8 cm1 Sept 2022d/s Fold Brook161424
8.3 cm1 Sept 2022d/s Fold Brook161424
8 cm1 Sept 2022d/s Fold Brook161424
7.7 cm1 Sept 2022d/s Fold Brook161424
7.1 cm1 Sept 2022d/s Fold Brook161424
6.8 cm1 Sept 2022d/s Fold Brook161424
6.7 cm1 Sept 2022US Mill Pond161422
6.6 cm1 Sept 2022d/s Fold Brook161424
6.6 cm1 Sept 2022US Mill Pond161422

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
d/s Fold Brook1 Sept 20221 Sept 20221
US Mill Pond1 Sept 20221 Sept 20221
US Sluice22 Sept 202122 Sept 20211

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

2021–2022

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 13 measured fish were spread across different length ranges.

Smallest
5.1 cm
Lower quarter
6.6 cm
Median
6.8 cm
Upper quarter
8 cm
Largest
9.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the County Brook

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

3-spined stickleback

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 →