RiverFish

Roach · Rutilus rutilus

Roach in the River Bollin

Largest measured roach: 26.8 cm

The largest roach measured in Environment Agency surveys of the River Bollin was 26.8 cm, recorded at Bobo15 on 12 July 1999.

Across 339 measured roach, the median measured length was 13 cm.

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

See roach records across England →

Most recent observation13 August 2025Bobo31 · 8 fish
Largest measured roach
26.8 cm
Median length
13 cm
Fish measured
339
Survey locations
22

Individual EA measurements

Largest measured roach

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

LengthSurvey dateSurvey locationSurvey ID
26.8 cm12 Jul 1999Bobo1565804
26 cm2 Jul 1996Bo0856137
25.4 cm12 Jul 1999Bobo1565804
24.7 cm7 Sept 2004Bobo1682085
24.6 cm10 Jun 2013Bobo13137547
24.6 cm2 Jul 1996Bo0856137
24.4 cm7 Jun 2013Bobo31137249
24.1 cm15 Jul 2005Bobo3085185
24 cm12 Jul 1999Bobo1565804
23.3 cm15 Jul 2005Bobo3085185

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 surveyedFirst recordedLast recordedVisits finding roach
Bobo317 Jun 201313 Aug 20252
Bobo123 Aug 201022 Jul 20255
Bobo1918 Aug 201015 Sept 20222
Bobo1019 Aug 200315 Sept 20226
Bobo133 Aug 201010 Jun 20132
Bobo1414 Oct 201014 Oct 20101
Bo015 May 200429 Apr 20104
Bo034 Sept 20074 Sept 20071
Bobo306 Sept 20047 Aug 20063
Bobo256 Sept 20047 Aug 20063
Bobo2020 Aug 200127 Jul 20064
Mc0312 Jul 199927 Sept 20053
Bobo1612 Jul 19994 Aug 20054
Bobo1512 Jul 19994 Aug 20054
Bo024 May 20054 May 20051
Mc0530 Jul 200230 Jul 20021
Mc0030 Jul 200230 Jul 20021
Bo1526 Aug 199323 Jul 19962
Bo082 Jul 19962 Jul 19961
Bo2526 Jun 199626 Jun 19961
Bo2426 Jun 199626 Jun 19961
Bo0718 Aug 199318 Aug 19931

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

1993–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 339 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
8.4 cm
Median
13 cm
Upper quarter
17.4 cm
Largest
26.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bollin

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

Stone loach 3-spined stickleback Bullhead Gudgeon Brown / sea trout Chub

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 →