Common bream · Abramis brama

Common bream in the Grand Union Canal

Largest measured common bream: 43.6 cm

The largest common bream measured in Environment Agency surveys of the Grand Union Canal was 43.6 cm, recorded at Cassiobury Park u/s Lock on 9 March 1988.

Across 580 measured common bream, the median measured length was 18.7 cm.

Surveyors recorded weights for 356 common bream. The median was 4.5 oz (0.1265 kg) and the largest recorded weight was 2 lb 13.6 oz (1.29 kg).

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

See common bream records across England →

Most recent observation26 April 1988Slough Arm at Iver North STW · 2 fish

Largest measured common bream: 43.6 cm
Median length: 18.7 cm
Fish measured: 580
Survey locations: 11

Individual EA measurements

Largest measured common bream

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

Length	Survey date	Survey location	Survey ID
43.6 cm	9 Mar 1988	Cassiobury Park u/s Lock	116407
42.5 cm	4 Apr 1987	Berkhamsted	116238
42.5 cm	31 Mar 1987	Berkhamsted	116251
40 cm	4 Apr 1987	Berkhamsted	116238
39.6 cm	4 Apr 1987	Berkhamsted	116238
39.6 cm	31 Mar 1987	Berkhamsted	116251
39.5 cm	9 Mar 1988	Cassiobury Park u/s Lock	116407
39.5 cm	4 Apr 1987	Berkhamsted	116238
39.5 cm	31 Mar 1987	Berkhamsted	116251
39.1 cm	4 Apr 1987	Berkhamsted	116238

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

Explore the river

Where common bream were found

Each point marks a survey location with at least one common 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 surveyed	First recorded	Last recorded	Visits finding common bream
Slough Arm at Iver North STW	26 Apr 1988	26 Apr 1988	1
Kensal Road	25 Mar 1988	25 Mar 1988	1
Cassiobury Park u/s Lock	9 Mar 1988	9 Mar 1988	1
Stockers Farm	8 Mar 1988	8 Mar 1988	1
Winkwell Lane, Bourne End	3 Mar 1988	3 Mar 1988	1
Slough Arm at B470 Road	29 Feb 1988	29 Feb 1988	1
Horsendon Lane	5 Jun 1987	5 Jun 1987	1
Bankside	3 Jun 1987	3 Jun 1987	1
Berkhamsted	31 Mar 1987	4 Apr 1987	2
Johnsons Lock	17 Mar 1987	17 Mar 1987	1
York Way	9 Dec 1986	9 Dec 1986	1

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

1986–1988

Survey records by year

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

186

587

688

Fish measured by surveyors

Measured length distribution

See how the 580 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 13.9 cm
Median: 18.7 cm
Upper quarter: 23 cm
Largest: 43.6 cm

0–99 mm

100–199 mm

287

200–299 mm

174

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 356 common bream. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.0005 kg)
Lower quarter: 1.4 oz (0.04 kg)
Median: 4.5 oz (0.1265 kg)
Upper quarter: 10.8 oz (0.3052 kg)
Heaviest: 2 lb 13.6 oz (1.29 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Grand Union Canal

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

Perch Roach Pike Gudgeon European eel Tench

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 →