RiverFish

Dace · Leuciscus leuciscus

Dace in the River Ivel

Largest measured dace: 25.8 cm

The largest dace measured in Environment Agency surveys of the River Ivel was 25.8 cm, recorded at DS Iron Bridge on 7 January 1992.

Across 1,149 measured dace, the median measured length was 13.8 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 Ivel.

See dace records across England →

Most recent observation8 October 2025Henlow · 39 fish
Largest measured dace
25.8 cm
Median length
13.8 cm
Fish measured
1,149
Survey locations
14

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
25.8 cm7 Jan 1992DS Iron Bridge29258
25.3 cm7 Jan 1992DS Iron Bridge29258
25.3 cm13 Mar 1989Henlow29245
25 cm6 May 2005DS Iron Bridge84536
25 cm1 May 1995Astwick103267
24.8 cm7 Jan 1992DS Iron Bridge29258
24.3 cm7 Jan 1992DS Iron Bridge29258
24.3 cm13 Mar 1989Henlow29245
23.8 cm3 Jan 1992Henlow29255
23.5 cm8 Oct 2025Henlow179271

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
Henlow13 Mar 19898 Oct 202517
Girtford Weir7 Jul 198910 Jun 201612
Gt Ouse Confluence12 Jun 198919 May 201615
Biggleswade Common9 Jun 198917 May 201610
DS Iron Bridge8 Jun 198916 May 201615
Langford Mill26 Nov 200926 Nov 20091
Sandy27 Jan 199225 May 20054
Broom Mill11 Jul 198917 May 20055
Langford Nursery14 Mar 198929 Apr 20055
Saw Mills Tempsford22 Aug 200322 Aug 20031
High Romper Bridge23 Jun 19899 Jun 19982
Astwick1 May 199527 May 19982
Girtford Bridge11 May 199511 May 19951
Beeston5 Jul 198910 May 19952

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

1989–2025

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 1,149 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
10.3 cm
Median
13.8 cm
Upper quarter
17.3 cm
Largest
25.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ivel

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

Chub Pike Roach Gudgeon Bullhead 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 →