RiverFish

Dace · Leuciscus leuciscus

Dace in the River Old Windsor - Bell

Largest measured dace: 22.5 cm

The largest dace measured in Environment Agency surveys of the River Old Windsor - Bell was 22.5 cm, recorded at Ham Loop on 7 September 2005.

Across 750 measured dace, the median measured length was 9.7 cm.

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

See dace records across England →

Most recent observation29 August 2025Ham Loop · 59 fish
Largest measured dace
22.5 cm
Median length
9.7 cm
Fish measured
750
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
22.5 cm7 Sept 2005Ham Loop86738
21.6 cm5 Sept 2003Ham Loop77010
21.5 cm5 Sept 2013Old Windsor Main Channel138863
21.5 cm5 Sept 2013Old Windsor Main Channel138863
21.5 cm1 Sept 2000Ham Loop121581
21.1 cm7 Sept 2005Ham Loop86738
20.8 cm7 Sept 2005Ham Loop86738
20.5 cm5 Sept 2013Old Windsor Main Channel138863
20.5 cm1 Sept 2000Ham Loop121581
20.4 cm8 Sept 2006Ham Loop101384

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
Ham Loop1 Sept 199529 Aug 202524
Old Windsor Main Channel13 Sept 20025 Sept 20137
Old Windsor, Weir Pool1 Sept 19957 Sept 20077
Upper Old Windsor Main Channel7 Sept 20057 Sept 20051

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

1995–2025

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 750 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
6.3 cm
Median
9.7 cm
Upper quarter
12.4 cm
Largest
22.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Old Windsor - Bell

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

Roach Perch Pike Bleak European eel Chub

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 →