RiverFish

Silver bream · Abramis bjoerkna

Silver bream in the River Colne

Largest measured silver bream: 18 cm

The largest silver bream measured in Environment Agency surveys of the River Colne was 18 cm, recorded at Wall Hall on 13 June 2024.

Across 7 measured silver bream, the median measured length was 8.8 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 Colne.

See silver bream records across England →

Most recent observation27 June 2024Watford M1 link road · 1 fish
Largest measured silver bream
18 cm
Median length
8.8 cm
Fish measured
7
Survey locations
4

Individual EA measurements

Largest measured silver bream

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
18 cm13 Jun 2024Wall Hall166452
17.3 cm13 Jun 2024Wall Hall166452
15.6 cm13 Jun 2024Wall Hall166452
8.8 cm9 Aug 2007Denham106277
8.7 cm15 Aug 2008Uxbridge113006
8.2 cm27 Jun 2024Watford M1 link road165950
7.5 cm15 Aug 2008Uxbridge113006

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where silver bream were found

Each point marks a survey location with at least one silver bream 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 silver bream
Watford M1 link road27 Jun 202427 Jun 20241
Wall Hall13 Jun 202413 Jun 20241
Uxbridge15 Aug 200815 Aug 20081
Denham9 Aug 20079 Aug 20071

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

2007–2024

Survey records by year

Each bar shows how many survey visits recorded silver bream that year.

Fish measured by surveyors

Measured length distribution

See how the 7 measured fish were spread across different length ranges.

Smallest
7.5 cm
Lower quarter
8.5 cm
Median
8.8 cm
Upper quarter
16.5 cm
Largest
18 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Colne

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

Chub Perch Roach Pike 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 →