Roach · Rutilus rutilus

Roach in the River Main Bristol Frome

Largest measured roach: 35.7 cm

The largest roach measured in Environment Agency surveys of the River Main Bristol Frome was 35.7 cm, recorded at Damsons Bridge (Te) on 25 April 2002.

Across 2,407 measured roach, the median measured length was 13.8 cm.

Surveyors recorded weights for 1,148 roach. The median was 1.7 oz (0.049 kg) and the largest recorded weight was 2 lb 0.8 oz (0.931 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 Bristol Frome.

See roach records across England →

Most recent observation4 July 2023Eastville Park (Te) · 10 fish

Largest measured roach: 35.7 cm
Median length: 13.8 cm
Fish measured: 2,407
Survey locations: 9

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
35.7 cm	25 Apr 2002	Damsons Bridge (Te)	52320
33.5 cm	21 Aug 2007	Oldbury Court	108372
33.5 cm	20 Aug 1998	Damsons Bridge (Te)	77186
33.2 cm	3 Jul 2013	Eastville Park (Te)	136907
32.4 cm	21 Aug 2007	Oldbury Court	108372
32 cm	21 Aug 2007	Oldbury Court	108372
31 cm	21 Aug 2007	Oldbury Court	108372
30.8 cm	21 Jul 1998	Frampton Cotterell	77170
30.5 cm	3 Aug 2010	Frenchay, Flock Mill (Te)	123285
29.7 cm	20 Aug 1998	Damsons Bridge (Te)	77186

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
Eastville Park (Te)	27 Aug 1998	4 Jul 2023	19
Damsons Bridge (Te)	20 Aug 1998	26 Jul 2022	8
Oldbury Court	21 Aug 2007	5 Jul 2022	3
St Johns Park	9 Aug 2012	9 Aug 2012	1
Meadowmead	9 Aug 2012	9 Aug 2012	1
Frenchay, Flock Mill (Te)	29 May 2003	3 Aug 2010	6
Watley's End	29 Aug 2007	29 Aug 2007	1
Frenchay, Chapel Lane	8 May 2002	8 May 2002	1
Frampton Cotterell	21 Jul 1998	21 Jul 1998	1

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

1998–2023

Survey records by year

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

398

099

000

001

302

303

304

305

306

407

108

109

210

111

312

213

114

115

116

117

018

119

020

021

322

123

Fish measured by surveyors

Measured length distribution

See how the 2,407 measured fish were spread across different length ranges.

Smallest: 3 cm
Lower quarter: 11.4 cm
Median: 13.8 cm
Upper quarter: 16.8 cm
Largest: 35.7 cm

0–99 mm

360

100–199 mm

1807

200–299 mm

231

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 1,148 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 1 oz (0.027 kg)
Median: 1.7 oz (0.049 kg)
Upper quarter: 3.2 oz (0.09 kg)
Heaviest: 2 lb 0.8 oz (0.931 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 Bristol Frome

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

Bullhead Gudgeon Brown / sea trout 3-spined stickleback European eel Minnow

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 →