RiverFish

Roach · Rutilus rutilus

Roach in the River Selby Dam

Largest measured roach: 25.1 cm

The largest roach measured in Environment Agency surveys of the River Selby Dam was 25.1 cm, recorded at Selby Dam at Pumping station on 9 August 2011.

Across 265 measured roach, the median measured length was 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 River Selby Dam.

See roach records across England →

Most recent observation9 August 2011Selby Dam at Pumping station · 192 fish
Largest measured roach
25.1 cm
Median length
8 cm
Fish measured
265
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
25.1 cm9 Aug 2011Selby Dam at Pumping station127904
23.9 cm9 Aug 2011Selby Dam at Pumping station127904
23.1 cm9 Aug 2011Selby Dam at Pumping station127904
22.5 cm9 Aug 2011Selby Dam at Pumping station127904
21.5 cm9 Aug 2011Selby Dam at Pumping station127904
20.8 cm9 Aug 2011Selby Dam at Pumping station127904
20.7 cm9 Aug 2011Selby Dam at Pumping station127904
20.6 cm9 Aug 2011Selby Dam at Pumping station127904
20.4 cm9 Aug 2011Selby Dam at Pumping station127904
20.3 cm9 Aug 2011Selby Dam at Pumping station127904

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
Selby Dam at Pumping station9 Aug 20119 Aug 20111
Selby Dam at Fairview Kennels9 Aug 20119 Aug 20111
Selby Dam Downstream Thorpe Hall9 Aug 20119 Aug 20111

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

2011–2011

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 265 measured fish were spread across different length ranges.

Smallest
5.3 cm
Lower quarter
6.7 cm
Median
8 cm
Upper quarter
11.8 cm
Largest
25.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

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 →