RiverFish

Roach · Rutilus rutilus

Roach in the River Wensum (Restoration strategy)

Largest measured roach: 25 cm

The largest roach measured in Environment Agency surveys of the River Wensum (Restoration strategy) was 25 cm, recorded at Downstream Fakenham Common (Reach 25) on 22 July 2014.

Across 236 measured roach, the median measured length was 12.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the River Wensum (Restoration strategy).

See roach records across England →

Most recent observation30 August 2024Upstream Attlebridge · 27 fish
Largest measured roach
25 cm
Median length
12.3 cm
Fish measured
236
Survey locations
13

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
25 cm22 Jul 2014Downstream Fakenham Common (Reach 25)142750
23.2 cm26 Jul 2013Downstream Fakenham Common (Reach 25)137482
23 cm26 Jul 2013Downstream Fakenham Common (Reach 25)137482
22.2 cm30 Jul 1997Sayers Meadow17345
21.3 cm14 Aug 2024Downstream Porters Lane, Lenwade167127
21.3 cm26 Jul 2012Hempton Moor (Upstream Fakenham bypass) (reach 27)132551
21.2 cm22 Jul 2014Downstream Fakenham Common (Reach 25)142750
20.8 cm30 Jul 1997Sayers Meadow17345
20.8 cm30 Jul 1997Sayers Meadow17345
20.7 cm22 Jul 2014Downstream Fakenham Common (Reach 25)142750

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
Upstream Attlebridge30 Aug 202430 Aug 20241
Swanton Morley (Restoration Reach 14)23 Jul 201928 Aug 20242
Three Bridges Farm, Lyng22 Aug 202422 Aug 20241
Downstream Porters Lane, Lenwade14 Aug 202414 Aug 20241
Hempton Moor (Upstream Fakenham bypass) (reach 27)26 Jul 20128 Jul 20192
Downstream Fakenham Common (Reach 25)26 Jul 201322 Jul 20142
Gt Ryburgh End - Downstream confluence to iron bridge23 Sept 201121 Sept 20122
Sculthorpe Moor (Downstream Sculthorpe Mill) (reach 28)13 Aug 201213 Aug 20121
Gt Ryburgh End - Back Channel (Habitat survey)20 Sept 201120 Sept 20111
Gt Ryburgh Common d/s meander18 Aug 20105 Sept 20112
Gt Ryburgh Common upstream18 Aug 201018 Aug 20101
Upstream County School (reach 19)21 Sept 200921 Sept 20091
Sayers Meadow30 Jul 199730 Jul 19971

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

1997–2024

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 236 measured fish were spread across different length ranges.

Smallest
6.4 cm
Lower quarter
9.8 cm
Median
12.4 cm
Upper quarter
16.6 cm
Largest
25 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (Restoration strategy)

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

Minnow Bullhead Dace Stone loach Gudgeon 3-spined stickleback

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 →