Bitterling · Rhodeus sericeus

Bitterling in the River Swaffham Bulbeck Lode

Largest measured bitterling: 6.8 cm

The largest bitterling measured in Environment Agency surveys of the River Swaffham Bulbeck Lode was 6.8 cm, recorded at Lythels Farm on 23 April 1993.

Across 122 measured bitterling, the median measured length was 5.8 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 Swaffham Bulbeck Lode.

See bitterling records across England →

Most recent observation23 April 1993Lythels Farm · 68 fish

Largest measured bitterling: 6.8 cm
Median length: 5.8 cm
Fish measured: 122
Survey locations: 3

Individual EA measurements

Largest measured bitterling

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
6.8 cm	23 Apr 1993	Lythels Farm	29448
6.8 cm	23 Apr 1993	Lythels Farm	29448
6.8 cm	23 Apr 1993	Lythels Farm	29448
6.8 cm	23 Apr 1993	Lythels Farm	29448
6.8 cm	23 Apr 1993	Lythels Farm	29448
6.8 cm	23 Apr 1993	Lythels Farm	29448
6.8 cm	14 Nov 1991	Lythels Farm	29444
6.8 cm	23 Oct 1987	Slades Farm	29438
6.3 cm	23 Apr 1993	Lythels Farm	29448
6.3 cm	23 Apr 1993	Lythels Farm	29448

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

Explore the river

Where bitterling were found

Each point marks a survey location with at least one bitterling 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 bitterling
Lythels Farm	20 Sept 1984	23 Apr 1993	5
Slades Farm	23 Oct 1987	14 Apr 1993	2
Swaffham Lock	15 Nov 1991	15 Nov 1991	1

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

1984–1993

Survey records by year

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

184

085

086

287

088

089

190

291

092

293

Fish measured by surveyors

Measured length distribution

See how the 122 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 5.8 cm
Median: 5.8 cm
Upper quarter: 6.3 cm
Largest: 6.8 cm

0–99 mm

122

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Swaffham Bulbeck Lode

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

Pike Roach Dace Perch Gudgeon Common bream

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 →