RiverFish

Rudd · Scardinius erythrophthalmus

Rudd in the River Blyth (Main Reaches)

Largest measured rudd: 17.6 cm

The largest rudd measured in Environment Agency surveys of the River Blyth (Main Reaches) was 17.6 cm, recorded at Red House Farm on 16 May 1995.

Across 13 measured rudd, the median measured length was 9.4 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 Blyth (Main Reaches).

See rudd records across England →

Most recent observation7 June 2016Mells Bridge · 1 fish
Largest measured rudd
17.6 cm
Median length
9.4 cm
Fish measured
13
Survey locations
2

Individual EA measurements

Largest measured rudd

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
17.6 cm16 May 1995Red House Farm4023
15.5 cm16 May 1995Red House Farm4023
13.3 cm14 Sept 2001Red House Farm55931
11.3 cm15 May 1995Mells Bridge4024
10.6 cm15 May 1995Mells Bridge4024
10 cm16 May 1995Red House Farm4023
9.4 cm16 May 1995Red House Farm4023
8.1 cm3 Jul 1991Red House Farm4014
7.8 cm5 Aug 1994Mells Bridge4019
7.4 cm5 Aug 1994Red House Farm4018

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where rudd were found

Each point marks a survey location with at least one rudd 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 rudd
Mells Bridge5 Aug 19947 Jun 20163
Red House Farm3 Jul 199114 Sept 20014

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

1991–2016

Survey records by year

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

Fish measured by surveyors

Measured length distribution

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

Smallest
5.7 cm
Lower quarter
7.4 cm
Median
9.4 cm
Upper quarter
11.3 cm
Largest
17.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blyth (Main Reaches)

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

European eel Stone loach 3-spined stickleback Dace Roach 10-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 →