RiverFish

Dace · Leuciscus leuciscus

Dace in the River Deben (Main Reaches)

Largest measured dace: 26.9 cm

The largest dace measured in Environment Agency surveys of the River Deben (Main Reaches) was 26.9 cm, recorded at Wickham Market to Loudham on 27 February 2004.

Across 1,390 measured dace, the median measured length was 13.5 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 Deben (Main Reaches).

See dace records across England →

Most recent observation19 September 2025Ufford Hole Fry Survey · 2 fish
Largest measured dace
26.9 cm
Median length
13.5 cm
Fish measured
1,390
Survey locations
15

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
26.9 cm27 Feb 2004Wickham Market to Loudham103981
25.3 cm27 Feb 2004Wickham Market to Loudham103981
25.2 cm19 Feb 2004Melton Mill to Ufford Mill103966
25 cm27 Feb 2004Wickham Market to Loudham103981
25 cm1 Dec 1997Low Farm4096
24.8 cm19 Feb 2004Melton Mill to Ufford Mill103966
24.5 cm27 Feb 2004Wickham Market to Loudham103981
24.1 cm3 Aug 1994Low Farm4081
24 cm20 Feb 2004Low Farm to Ufford Mill103983
23.9 cm1 Dec 1997Low Farm4096

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
White Womans Lane Fry Survey26 Sept 202419 Sept 20252
Ufford Hole Fry Survey26 Sept 202419 Sept 20252
Ufford4 Jun 199114 Apr 20256
Downstream Glevering Hall7 Dec 198728 Apr 20103
Upstream Kettleburgh15 Dec 198727 Apr 20105
Upstream Wickham Mill2 Mar 20042 Mar 20041
Wickham Market to Loudham27 Feb 200427 Feb 20041
Low Farm to Ufford Mill20 Feb 200420 Feb 20041
Melton Mill to Ufford Mill19 Feb 200419 Feb 20041
Naunton Hall Farm5 Jun 19912 Dec 19973
Low Farm10 Dec 19871 Dec 19974
Melton Sluice11 Dec 198727 Nov 19974
Loudham Decoy11 May 19913 Aug 19942
Downstream Wickham Market9 Dec 19872 Aug 19943
Upstream Wickham Market8 Dec 19878 Dec 19871

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 1,390 measured fish were spread across different length ranges.

Smallest
3.3 cm
Lower quarter
10.1 cm
Median
13.5 cm
Upper quarter
18 cm
Largest
26.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Deben (Main Reaches)

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

Roach Pike European eel Perch Stone loach Gudgeon

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 →