Roach · Rutilus rutilus

Roach in the River Main Culm

Largest measured roach: 21.4 cm

The largest roach measured in Environment Agency surveys of the River Main Culm was 21.4 cm, recorded at Columbjohn (CFTe/wfdi)* on 10 September 2009.

Across 103 measured roach, the median measured length was 14.3 cm.

Surveyors recorded weights for 101 roach. The median was 1.6 oz (0.044 kg) and the largest recorded weight was 5.5 oz (0.157 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 Main Culm.

See roach records across England →

Most recent observation29 April 2019Columbjohn (CFTe/wfdi)* · 1 fish

Largest measured roach: 21.4 cm
Median length: 14.3 cm
Fish measured: 103
Survey locations: 4

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
21.4 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874
21 cm	10 Sept 2005	Columbjohn (CFTe/wfdi)*	89417
21 cm	17 Oct 2001	Columbjohn (CFTe/wfdi)*	73843
20.8 cm	10 Sept 2005	Columbjohn (CFTe/wfdi)*	89417
20.4 cm	10 Sept 2005	Columbjohn (CFTe/wfdi)*	89417
20 cm	10 Sept 2005	Columbjohn (CFTe/wfdi)*	89417
19.7 cm	17 Oct 2001	Columbjohn (CFTe/wfdi)*	73843
19.5 cm	10 Sept 2005	Columbjohn (CFTe/wfdi)*	89417
19.4 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874
19.3 cm	10 Sept 2009	Columbjohn (CFTe/wfdi)*	118874

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
Columbjohn (CFTe/wfdi)*	18 Jun 1997	29 Apr 2019	9
Coldharbour Leat (CFTe)*	12 Oct 2007	25 Sept 2008	2
Stoke Canon (CFTe)*	17 Jun 1997	17 Jun 1997	1
Lower Kingsmill (CFTe)*	10 Jun 1997	10 Jun 1997	1

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

1997–2019

Survey records by year

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

397

098

099

000

101

002

103

004

105

106

207

208

109

010

011

012

013

014

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 103 measured fish were spread across different length ranges.

Smallest: 6.6 cm
Lower quarter: 12.5 cm
Median: 14.3 cm
Upper quarter: 16.9 cm
Largest: 21.4 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 101 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.4 oz (0.011 kg)
Lower quarter: 1 oz (0.027 kg)
Median: 1.6 oz (0.044 kg)
Upper quarter: 2.8 oz (0.08 kg)
Heaviest: 5.5 oz (0.157 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 Main Culm

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

Stone loach Brown / sea trout Bullhead Minnow European eel Atlantic salmon

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 →