Roach · Rutilus rutilus

Roach in the River Blakes Gill

Largest measured roach: 21.1 cm

The largest roach measured in Environment Agency surveys of the River Blakes Gill was 21.1 cm, recorded at Downstream Scolliers Bridge on 24 August 2012.

Across 153 measured roach, the median measured length was 9.1 cm.

Surveyors recorded weights for 84 roach. The median was 0.5 oz (0.014 kg) and the largest recorded weight was 3.7 oz (0.106 kg).

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

See roach records across England →

Most recent observation24 August 2012Downstream Scolliers Bridge · 69 fish

Largest measured roach: 21.1 cm
Median length: 9.1 cm
Fish measured: 153
Survey locations: 2

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
21.1 cm	24 Aug 2012	Downstream Scolliers Bridge	133158
19.1 cm	5 Aug 2005	Downstream Scolliers Bridge	87443
17 cm	24 Aug 2012	Downstream Scolliers Bridge	133158
16 cm	15 Aug 2002	Downstream Scolliers Bridge	62940
15.8 cm	24 Aug 2012	Downstream Scolliers Bridge	133158
15.2 cm	6 Jul 2007	Downstream Scolliers Bridge	107285
15.2 cm	15 Aug 2002	Downstream Scolliers Bridge	62940
14.9 cm	6 Jul 2007	Downstream Scolliers Bridge	107285
14.8 cm	15 Aug 2002	Downstream Scolliers Bridge	62940
14.1 cm	6 Jul 2007	Downstream Scolliers Bridge	107285

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
Downstream Scolliers Bridge	15 Aug 2002	24 Aug 2012	8
Upstream Scolliers Bridge	17 Feb 1998	17 Feb 1998	1

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

1998–2012

Survey records by year

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

198

099

000

001

102

203

104

105

106

107

008

009

010

011

112

Fish measured by surveyors

Measured length distribution

See how the 153 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 7.2 cm
Median: 9.1 cm
Upper quarter: 11 cm
Largest: 21.1 cm

0–99 mm

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 84 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.0038 kg)
Median: 0.5 oz (0.014 kg)
Upper quarter: 0.9 oz (0.0255 kg)
Heaviest: 3.7 oz (0.106 kg)

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

More fish in this river

Explore the River Blakes Gill

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

Bullhead Chub Dace European eel Gudgeon Stone loach

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 →