RiverFish

Roach · Rutilus rutilus

Roach in the River Douglas

Largest measured roach: 31 cm

The largest roach measured in Environment Agency surveys of the River Douglas was 31 cm, recorded at Forest Fold Farm on 31 May 1995.

Across 382 measured roach, the median measured length was 12 cm.

Surveyors recorded weights for 36 roach. The median was 0.9 oz (0.0255 kg) and the largest recorded weight was 9.2 oz (0.26 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 Douglas.

See roach records across England →

Most recent observation1 July 2024Appley Bridge · 6 fish
Largest measured roach
31 cm
Median length
12 cm
Fish measured
382
Survey locations
18

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
31 cm31 May 1995Forest Fold Farm113078
28.5 cm31 May 1995Forest Fold Farm113078
27 cm14 Jun 1995Grimeford Bridge113114
26.5 cm23 May 1995Appley Bridge113069
26 cm31 May 1995Upstream Appley Bridge113074
25.6 cm22 Jun 2005Upstream Pincroft Bridge87776
24 cm28 May 1999Swallows Rise (Star Lane)114590
24 cm31 May 1995Upstream Appley Bridge113074
22.5 cm28 May 1999Swallows Rise (Star Lane)114590
22.5 cm24 May 1995Parbold113056

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
Appley Bridge23 May 19951 Jul 20245
Upstream Pincroft Bridge13 Jul 200012 Jul 20117
Squirrel Lane10 May 199927 Jun 20066
Swallows Rise (Star Lane)28 May 19996 Jul 20046
Grimeford Bridge14 Jun 19955 Jul 20044
Adlington Ford27 Jun 20015 Jul 20042
Coppull Lane13 Jul 200021 Jul 20032
Corporation Street13 Jul 200013 Jul 20001
Robin Park15 Jun 199515 Jun 19951
Downstream Pincroft Bridge14 Jun 199514 Jun 19951
Under Leeds/Liverpool Canal5 Jun 19955 Jun 19951
Grimshaw Green5 Jun 19955 Jun 19951
Upstream Appley Bridge31 May 199531 May 19951
Forest Fold Farm31 May 199531 May 19951
Parbold Hall24 May 199524 May 19951
Parbold24 May 199524 May 19951
Downstream Appley Bridge23 May 199523 May 19951
Appley Locks23 May 199523 May 19951

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

1995–2024

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 382 measured fish were spread across different length ranges.

Smallest
0.1 cm
Lower quarter
9.5 cm
Median
12 cm
Upper quarter
16.1 cm
Largest
31 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 36 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.005 kg)
Lower quarter
0.7 oz (0.0188 kg)
Median
0.9 oz (0.0255 kg)
Upper quarter
1.8 oz (0.0512 kg)
Heaviest
9.2 oz (0.26 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 Douglas

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

Chub Gudgeon Dace European eel Perch Pike

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 →