RiverFish

Dace · Leuciscus leuciscus

Dace in the River Lymn FMU

Largest measured dace: 25 cm

The largest dace measured in Environment Agency surveys of the River Lymn FMU was 25 cm, recorded at Partney Bridge on 23 April 2007.

Across 2,922 measured dace, the median measured length was 11.4 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 Lymn FMU.

See dace records across England →

Most recent observation7 November 2025Mill Bridge · 16 fish
Largest measured dace
25 cm
Median length
11.4 cm
Fish measured
2,922
Survey locations
4

Individual EA measurements

Largest measured dace

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

LengthSurvey dateSurvey locationSurvey ID
25 cm23 Apr 2007Partney Bridge105202
24.9 cm6 Oct 1987Raithby Bridge58167
24.3 cm6 Oct 1987Raithby Bridge58167
23.7 cm13 Jun 2012Raithby Bridge132733
23.6 cm6 Oct 1987Raithby Bridge58167
23 cm6 Oct 1987Raithby Bridge58167
22.5 cm30 Apr 2003Partney Bridge78667
22.3 cm2 Oct 1987Moat House Farm58169
22.2 cm6 Oct 1987Raithby Bridge58167
22.1 cm23 Apr 2007Partney Bridge105202

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

Explore the river

Where dace were found

Each point marks a survey location with at least one dace 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 dace
Mill Bridge29 Sept 19877 Nov 202512
Raithby Bridge6 Oct 19876 Jun 20247
Partney Bridge6 Oct 19876 Jun 20249
Moat House Farm2 Oct 19872 Apr 19963

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

1987–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 2,922 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
8.3 cm
Median
11.4 cm
Upper quarter
15.5 cm
Largest
25 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lymn FMU

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

Bullhead Brown / sea trout European eel 3-spined stickleback Roach Perch

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 →