Roach · Rutilus rutilus

Roach in the Longford Stream

Largest measured roach: 21.5 cm

The largest roach measured in Environment Agency surveys of the Longford Stream was 21.5 cm, recorded at Ridgelands on 26 September 2006.

Across 149 measured roach, the median measured length was 12.3 cm.

Surveyors recorded weights for 42 roach. The median was 1 oz (0.0295 kg) and the largest recorded weight was 6 oz (0.171 kg).

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

See roach records across England →

Most recent observation16 August 2016Sutton Hall · 23 fish

Largest measured roach: 21.5 cm
Median length: 12.3 cm
Fish measured: 149
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
21.5 cm	26 Sept 2006	Ridgelands	102541
21.1 cm	16 Aug 2016	Cockfield House	148937
19.5 cm	16 Aug 2016	Cockfield House	148937
19.2 cm	28 Aug 2012	Cockfield House	133197
19 cm	16 Aug 2016	Cockfield House	148937
18.5 cm	16 Aug 2016	Cockfield House	148937
18.1 cm	28 Aug 2012	Cockfield House	133197
17.8 cm	28 Aug 2012	Cockfield House	133197
17.5 cm	16 Aug 2016	Cockfield House	148937
17.5 cm	16 Aug 2016	Cockfield House	148937

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
Sutton Hall	22 Aug 2003	16 Aug 2016	4
Cockfield House	28 Aug 2012	16 Aug 2016	2
Ridgelands	26 Sept 2006	26 Sept 2006	1

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

2003–2016

Survey records by year

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

103

004

005

106

007

008

109

010

111

112

013

014

015

216

Fish measured by surveyors

Measured length distribution

See how the 149 measured fish were spread across different length ranges.

Smallest: 4.8 cm
Lower quarter: 11 cm
Median: 12.3 cm
Upper quarter: 14.1 cm
Largest: 21.5 cm

0–99 mm

100–199 mm

125

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 42 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.6 oz (0.018 kg)
Median: 1 oz (0.0295 kg)
Upper quarter: 1.5 oz (0.043 kg)
Heaviest: 6 oz (0.171 kg)

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

More fish in this river

Explore the Longford Stream

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

Pike Perch Bullhead European eel

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 →