RiverFish

Roach · Rutilus rutilus

Roach in the Summerlock Stream

Largest measured roach: 23.4 cm

The largest roach measured in Environment Agency surveys of the Summerlock Stream was 23.4 cm, recorded at Summerlock Downstream Ashley Road on 14 October 2021.

Across 110 measured roach, the median measured length was 15.3 cm.

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

See roach records across England →

Most recent observation28 September 2022Summerlock at Maltings Car Park · 1 fish
Largest measured roach
23.4 cm
Median length
15.3 cm
Fish measured
110
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
23.4 cm14 Oct 2021Summerlock Downstream Ashley Road160728
22 cm14 Oct 2021Summerlock Downstream Ashley Road160728
20.9 cm14 Oct 2021Summerlock Downstream Ashley Road160728
20.5 cm14 Oct 2021Summerlock Downstream Ashley Road160728
20.5 cm14 Oct 2021Summerlock Downstream Ashley Road160728
20.5 cm31 Aug 2017Summerlock at Maltings Car Park151417
20.4 cm14 Oct 2021Summerlock Downstream Ashley Road160728
20.3 cm31 Aug 2017Summerlock at Maltings Car Park151417
19.8 cm31 Aug 2017Summerlock at Maltings Car Park151417
19.5 cm14 Oct 2021Summerlock Downstream Ashley Road160728

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
Summerlock at Maltings Car Park31 Aug 200728 Sept 20226
Summerlock Downstream Ashley Road14 Oct 202114 Oct 20211

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

2007–2022

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 110 measured fish were spread across different length ranges.

Smallest
5.5 cm
Lower quarter
11.5 cm
Median
15.3 cm
Upper quarter
17.2 cm
Largest
23.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Summerlock Stream

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

Brown / sea trout Bullhead Minnow Atlantic salmon Stone loach Chub

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 →