Roach · Rutilus rutilus

Roach in the River Roding

Largest measured roach: 38.9 cm

The largest roach measured in Environment Agency surveys of the River Roding was 38.9 cm, recorded at Gang Bridge on 25 March 1990.

Across 3,583 measured roach, the median measured length was 9.6 cm.

Surveyors recorded weights for 8 roach. The median was 0.7 oz (0.019 kg) and the largest recorded weight was 8.5 oz (0.24 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 Roding.

See roach records across England →

Most recent observation23 April 2026Abridge Village Hall · 8 fish
Largest measured roach
38.9 cm
Median length
9.6 cm
Fish measured
3,583
Survey locations
25

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
38.9 cm25 Mar 1990Gang Bridge116839
33.3 cm18 Mar 1993Waples Mill116829
32.9 cm30 Mar 1990Fyfield116831
32.4 cm10 Aug 2005Abridge85573
32.2 cm3 May 1992Crowther Nurseries116865
31.4 cm15 Sept 2006High Ongar (Ongar Bridge)101463
31.4 cm8 Aug 2003Abridge76686
31.2 cm3 May 1992Crowther Nurseries116865
30.4 cm10 Aug 2005Abridge85573
30.4 cm16 Mar 1990Leaden Roding116820

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
Abridge Village Hall16 Apr 201523 Apr 20262
Waples Mill18 Mar 199314 Aug 20256
Littlebury Mill4 Sept 200222 Oct 202412
Roding Valley Nature Reserve25 Sept 20028 Aug 202412
High Ongar (Ongar Bridge)4 Oct 20026 Aug 202414
Ilford Golf Course7 Jun 199223 Jul 202410
Crowther Nurseries3 May 19922 Jul 202414
Gang Bridge25 Mar 199015 Oct 20218
Nether Street1 Oct 200210 Sept 20212
Luxborough Lane12 May 19928 Sept 20166
Passingford Bridge28 Apr 199231 Jul 20145
Mayes Brook23 Apr 200811 Apr 20132
Abridge21 Apr 19926 Sept 20066
Great Canfield26 Jul 200626 Jul 20061
Wanstead Park24 May 19928 Nov 20055
Redbridge11 Feb 199917 Aug 20043
Aythorpe Roding11 Mar 199311 Aug 20044
Loughton6 Sept 20026 Sept 20021
Fyfield30 Mar 19902 Mar 19992
Barking Creek - Mayes Brook confluence30 Jul 199330 Jul 19931
Barking Creek - Six gates pool13 Jul 199313 Jul 19931
Barking Creek - A13 road bridge13 Jul 199313 Jul 19931
Barking Creek - Six gates sluice to Bark. slipway1 Jul 19931 Jul 19931
Piggotts Farm M11 section6 May 19926 May 19921
Leaden Roding16 Mar 199016 Mar 19901

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

1990–2026

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 3,583 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
6.3 cm
Median
9.6 cm
Upper quarter
13.5 cm
Largest
38.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.2 oz (0.007 kg)
Lower quarter
0.4 oz (0.0105 kg)
Median
0.7 oz (0.019 kg)
Upper quarter
1 oz (0.028 kg)
Heaviest
8.5 oz (0.24 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 Roding

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

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 →