RiverFish

Dace · Leuciscus leuciscus

Dace in the Great Brook

Largest measured dace: 24.7 cm

The largest dace measured in Environment Agency surveys of the Great Brook was 24.7 cm, recorded at Isle of White Bridge on 22 August 2017.

Across 106 measured dace, the median measured length was 10.7 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Great Brook.

See dace records across England →

Most recent observation13 September 2023Shifford · 44 fish
Largest measured dace
24.7 cm
Median length
10.7 cm
Fish measured
106
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
24.7 cm22 Aug 2017Isle of White Bridge151297
23.2 cm4 Aug 2005Isle of White Bridge85318
22.2 cm27 Oct 2015Radcot Cut at Marsh Lane147363
21.7 cm6 Sept 2012Isle of White Bridge135110
21.2 cm27 Oct 2015Radcot Cut at Marsh Lane147363
20.7 cm27 Oct 2015Radcot Cut at Marsh Lane147363
20.7 cm6 Sept 2012Isle of White Bridge135110
20 cm6 Sept 2012Isle of White Bridge135110
19.7 cm27 Oct 2015Radcot Cut at Marsh Lane147363
19.6 cm6 Sept 2012Isle of White Bridge135110

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
Shifford4 Aug 200513 Sept 20233
Isle of White Bridge4 Aug 200522 Aug 20173
Radcot Cut at Marsh Lane27 Oct 201527 Oct 20151

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

2005–2023

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 106 measured fish were spread across different length ranges.

Smallest
4 cm
Lower quarter
9 cm
Median
10.7 cm
Upper quarter
15.2 cm
Largest
24.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Great Brook

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

Chub Gudgeon Roach Perch Pike

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 →