Roach · Rutilus rutilus

Roach in the Brinkworth Brook

Largest measured roach: 23.5 cm

The largest roach measured in Environment Agency surveys of the Brinkworth Brook was 23.5 cm, recorded at Somerford Bridge (Te) on 13 July 2006.

Across 18 measured roach, the median measured length was 18.6 cm.

Surveyors recorded weights for 18 roach. The median was 4.3 oz (0.1205 kg) and the largest recorded weight was 9.1 oz (0.258 kg).

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

See roach records across England →

Most recent observation13 July 2006Somerford Bridge (Te) · 8 fish

Largest measured roach: 23.5 cm
Median length: 18.6 cm
Fish measured: 18
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.

Length	Survey date	Survey location	Survey ID
23.5 cm	13 Jul 2006	Somerford Bridge (Te)	100120
22 cm	13 Jul 2006	Somerford Bridge (Te)	100120
22 cm	13 Jul 2006	Somerford Bridge (Te)	100120
22 cm	10 Aug 2005	Somerford Bridge (Te)	85431
21.4 cm	10 Aug 2005	Somerford Bridge (Te)	85431
20.8 cm	1 Jul 2004	Somerford Bridge (Te)	80249
20.4 cm	13 Jul 2006	Somerford Bridge (Te)	100120
20 cm	10 Aug 2005	Somerford Bridge (Te)	85431
19.5 cm	1 Jul 2004	Somerford Bridge (Te)	80249
17.8 cm	18 Jun 2003	Somerford Bridge (Te)	76211

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 surveyed	First recorded	Last recorded	Visits finding roach
Somerford Bridge (Te)	21 Jul 1993	13 Jul 2006	5
Brinkworth	29 Jul 1993	29 Jul 1993	1
Hookers Gate	28 Jul 1993	28 Jul 1993	1

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

1993–2006

Survey records by year

Each bar shows how many survey visits recorded roach that year.

393

094

095

096

097

098

099

000

001

002

103

104

105

106

Fish measured by surveyors

Measured length distribution

See how the 18 measured fish were spread across different length ranges.

Smallest: 11.3 cm
Lower quarter: 14.7 cm
Median: 18.7 cm
Upper quarter: 21.3 cm
Largest: 23.5 cm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 18 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.9 oz (0.025 kg)
Lower quarter: 1.9 oz (0.0545 kg)
Median: 4.3 oz (0.1205 kg)
Upper quarter: 6.5 oz (0.183 kg)
Heaviest: 9.1 oz (0.258 kg)

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

More fish in this river

Explore the Brinkworth Brook

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

Bullhead Stone loach Minnow 3-spined stickleback Chub Dace

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 →