RiverFish

Roach · Rutilus rutilus

Roach in the River Ouse

Largest measured roach: 30.5 cm

The largest roach measured in Environment Agency surveys of the River Ouse was 30.5 cm, recorded at Newick on 9 October 2003.

Across 1,674 measured roach, the median measured length was 10.7 cm.

Surveyors recorded weights for 1,085 roach. The median was 0.6 oz (0.018 kg) and the largest recorded weight was 1 lb 5.7 oz (0.616 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 Ouse.

See roach records across England →

Most recent observation14 August 2024Newick · 11 fish
Largest measured roach
30.5 cm
Median length
10.7 cm
Fish measured
1,674
Survey locations
16

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
30.5 cm9 Oct 2003Newick77437
28.4 cm12 Jul 2011Newick126945
27.5 cm22 Aug 2008Newick114524
27.3 cm12 Sept 2017Sheffield Bridge151628
27 cm2 Sept 2004Newick81869
26.1 cm2 Sept 2004Newick81869
25.8 cm14 Sept 2015Sheffield Bridge146662
25.7 cm9 Oct 2003Newick77437
25.5 cm17 Sept 2009Newick119245
25.5 cm9 Oct 2003Newick77437

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
Newick9 Oct 200314 Aug 202413
Sheffield Bridge29 Aug 200125 Jul 202415
Fletching Mill Upstream20 Sept 200925 Jul 20246
Sloop13 Aug 200124 Jul 202414
East Mascalls Bridge10 Aug 200124 Jul 202416
Barcombe Mills25 Sept 200328 Sept 20233
Isfield Church2 Oct 200327 Sept 20238
Anchor Weir29 Jun 201629 Jun 20161
Avins Bridge9 Aug 200129 Apr 20148
Upstream Lindfield Bridge24 Oct 201224 Oct 20121
Sloop Weir Upstream25 Oct 201125 Oct 20111
Sloop Weir Downstream25 Oct 201125 Oct 20111
Fletching Mill Downstream28 Oct 200911 Jul 20113
Sharpsbridge8 Aug 200229 Oct 20097
Ardingly College6 Jul 199823 Sept 20032
Cherry lane11 Aug 200311 Aug 20031

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

1998–2024

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 1,674 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
7.3 cm
Median
10.7 cm
Upper quarter
14 cm
Largest
30.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 1,085 roach. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.2 oz (0.005 kg)
Median
0.6 oz (0.018 kg)
Upper quarter
1.5 oz (0.042 kg)
Heaviest
1 lb 5.7 oz (0.616 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 Ouse

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

European eel Perch Dace Gudgeon Stone loach Chub

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 →