Rudd · Scardinius erythrophthalmus

Rudd in the Willow Brook

Largest measured rudd: 37 cm

The largest rudd measured in Environment Agency surveys of the Willow Brook was 37 cm, recorded at Apethorpe on 14 February 1989.

Across 34 measured rudd, the median measured length was 16 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Willow Brook.

See rudd records across England →

Most recent observation3 May 1995Alder Farm · 7 fish

Largest measured rudd: 37 cm
Median length: 16 cm
Fish measured: 34
Survey locations: 3

Individual EA measurements

Largest measured rudd

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
37 cm	14 Feb 1989	Apethorpe	54445
37 cm	14 Feb 1989	Apethorpe	54445
36.5 cm	14 Feb 1989	Apethorpe	54445
33 cm	14 Feb 1989	Apethorpe	54445
26.5 cm	26 Feb 1992	Alder Farm	54452
25.5 cm	26 Feb 1992	Alder Farm	54452
22 cm	3 May 1995	Alder Farm	54461
21 cm	3 May 1995	Alder Farm	54461
21 cm	3 May 1995	Alder Farm	54461
21 cm	3 May 1995	Alder Farm	54461

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 surveyed	First recorded	Last recorded	Visits finding rudd
Alder Farm	26 Feb 1992	3 May 1995	2
Woodnewton	5 Mar 1992	5 Mar 1992	1
Apethorpe	14 Feb 1989	4 Mar 1992	2

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

1989–1995

Survey records by year

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

189

090

091

392

093

094

195

Fish measured by surveyors

Measured length distribution

See how the 34 measured fish were spread across different length ranges.

Smallest: 9.5 cm
Lower quarter: 14 cm
Median: 16 cm
Upper quarter: 21 cm
Largest: 37 cm

0–99 mm

100–199 mm

200–299 mm

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Willow Brook

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

Chub Roach Gudgeon Perch Bullhead European eel

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 →