Roach · Rutilus rutilus

Roach in the Huntspill/South Drain Catchment

Largest measured roach: 27.2 cm

The largest roach measured in Environment Agency surveys of the Huntspill/South Drain Catchment was 27.2 cm, recorded at Woolavington Bridge on 12 April 2016.

Across 13,274 measured roach, the median measured length was 9.4 cm.

Surveyors recorded weights for 1,906 roach. The median was 0.5 oz (0.015 kg) and the largest recorded weight was 9.4 oz (0.267 kg).

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Huntspill/South Drain Catchment.

See roach records across England →

Most recent observation20 April 2023Woolavington Bridge · 471 fish

Largest measured roach: 27.2 cm
Median length: 9.4 cm
Fish measured: 13,274
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
27.2 cm	12 Apr 2016	Woolavington Bridge	147942
24.5 cm	12 Apr 2016	Woolavington Bridge	147942
23.7 cm	18 Apr 2007	Woolavington Bridge	105707
23.5 cm	9 Apr 2019	Woolavington Bridge	154420
22.9 cm	12 Jul 2008	Woolavington Bridge	111845
22.8 cm	29 May 2013	Woolavington Bridge	136417
22.6 cm	15 Apr 2010	Woolavington Bridge	121407
22.4 cm	12 Apr 2016	Woolavington Bridge	147942
22.1 cm	9 Apr 2019	Woolavington Bridge	154420
21.8 cm	29 May 2013	Woolavington Bridge	136417

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
Woolavington Bridge	18 Apr 2007	20 Apr 2023	8
Shapwick	17 Aug 2007	20 Jun 2013	3
Sloway Lane	17 Apr 2007	30 May 2013	3
Gold Corner	19 Apr 2007	28 May 2013	5

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

2007–2023

Survey records by year

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

407

408

209

210

011

012

413

014

015

116

017

018

119

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 13,274 measured fish were spread across different length ranges.

Smallest: 1.8 cm
Lower quarter: 8 cm
Median: 9.4 cm
Upper quarter: 11.5 cm
Largest: 27.2 cm

0–99 mm

7397

100–199 mm

5844

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 1,906 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.3 oz (0.008 kg)
Median: 0.5 oz (0.015 kg)
Upper quarter: 0.9 oz (0.026 kg)
Heaviest: 9.4 oz (0.267 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Huntspill/South Drain Catchment

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

Perch Pike Common bream Ruffe Silver bream Rudd

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 →