RiverFish

Roach · Rutilus rutilus

Roach in the River Main Somerset Frome

Largest measured roach: 32 cm

The largest roach measured in Environment Agency surveys of the River Main Somerset Frome was 32 cm, recorded at Downstream Scutts Bridge (Te) on 1 August 2006.

Across 3,414 measured roach, the median measured length was 11.8 cm.

Surveyors recorded weights for 1,263 roach. The median was 1 oz (0.029 kg) and the largest recorded weight was 1 lb 5.6 oz (0.611 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 Somerset Frome.

See roach records across England →

Most recent observation22 September 2025Tellisford, Depleted Reach · 90 fish
Largest measured roach
32 cm
Median length
11.8 cm
Fish measured
3,414
Survey locations
11

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
32 cm1 Aug 2006Downstream Scutts Bridge (Te)100838
30.2 cm1 Aug 2006Creamery (Te)101091
30.1 cm4 Sept 2003Creamery (Te)76927
28.5 cm27 Aug 2003Downstream Scutts Bridge (Te)76928
28.3 cm27 Aug 2003Downstream Scutts Bridge (Te)76928
28.3 cm27 Aug 2003Downstream Scutts Bridge (Te)76928
28.2 cm1 Aug 2006Downstream Scutts Bridge (Te)100838
28 cm10 Aug 2010Creamery (Te)123368
27.5 cm19 Sept 2013Tellisford, Depleted Reach138774
27.5 cm27 Aug 2003Downstream Scutts Bridge (Te)76928

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
Tellisford, Depleted Reach16 May 200622 Sept 20254
Tellisford (Te06)10 Sept 200322 Sept 20259
Creamery (Te)4 Sept 200328 Aug 20198
Downstream Scutts Bridge (Te)27 Aug 200331 Jul 20197
Blatchbridge (Te)26 Aug 200324 Jul 20199
Snarlton Farm (Te)21 Aug 200323 Jul 20199
Welshmill27 Jul 20165 Oct 20172
Vernal Lodge27 Jul 20162 Aug 20172
Oldford Farm10 Aug 201610 Aug 20161
Longhouse Farm10 Aug 201610 Aug 20161
Bull's Bridge23 Oct 200723 Oct 20071

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

2003–2025

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 3,414 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
8.4 cm
Median
11.8 cm
Upper quarter
15.2 cm
Largest
32 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 1,263 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.5 oz (0.013 kg)
Median
1 oz (0.029 kg)
Upper quarter
2 oz (0.058 kg)
Heaviest
1 lb 5.6 oz (0.611 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 Somerset Frome

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

Minnow Stone loach Bullhead 3-spined stickleback Chub Dace

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 →