RiverFish

Dace · Leuciscus leuciscus

Dace in the River Dun

Largest measured dace: 26.1 cm

The largest dace measured in Environment Agency surveys of the River Dun was 26.1 cm, recorded at Freemans Marsh on 22 March 2006.

Across 65 measured dace, the median measured length was 13 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 Dun.

See dace records across England →

Most recent observation16 October 2025Oakhill Farm - Eel · 13 fish
Largest measured dace
26.1 cm
Median length
13 cm
Fish measured
65
Survey locations
3

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
26.1 cm22 Mar 2006Freemans Marsh90430
22.6 cm16 Oct 2025Beat 9 - Eel179915
22.4 cm16 Oct 2025Beat 9 - Eel179915
21.7 cm16 Oct 2025Beat 9 - Eel179915
21.7 cm16 Oct 2025Beat 9 - Eel179915
21 cm25 Oct 2023Oakhill Farm - Eel164349
20.9 cm16 Oct 2025Beat 9 - Eel179915
19.7 cm16 Oct 2025Beat 9 - Eel179915
19.7 cm25 Oct 2023Oakhill Farm - Eel164349
19.5 cm16 Oct 2025Beat 9 - Eel179915

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
Oakhill Farm - Eel25 Oct 202316 Oct 20253
Beat 9 - Eel17 Oct 202316 Oct 20253
Freemans Marsh22 Mar 200622 Mar 20061

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

2006–2025

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 65 measured fish were spread across different length ranges.

Smallest
10.5 cm
Lower quarter
12.1 cm
Median
13 cm
Upper quarter
17.5 cm
Largest
26.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dun

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

Brown / sea trout Bullhead Gudgeon Grayling Pike Roach

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 →