RiverFish

Dace · Leuciscus leuciscus

Dace in the River Cookham - Boulters

Largest measured dace: 23 cm

The largest dace measured in Environment Agency surveys of the River Cookham - Boulters was 23 cm, recorded at Cliveden Island on 7 September 2015.

Across 149 measured dace, the median measured length was 11 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 Cookham - Boulters.

See dace records across England →

Most recent observation28 July 2023Cliveden Island · 1 fish
Largest measured dace
23 cm
Median length
11 cm
Fish measured
149
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
23 cm7 Sept 2015Cliveden Island146400
21.7 cm5 Sept 2006Odney Weir Stream, Cookham.101412
21.6 cm4 Sept 2007Odney Weir Stream, Cookham.106681
21.5 cm2 Sept 2008Odney Weir Stream, Cookham.114304
21.1 cm5 Sept 2006Odney Weir Stream, Cookham.101412
20.9 cm4 Sept 2007Cliveden Island106693
20.5 cm4 Sept 2007Odney Weir Stream, Cookham.106681
20.4 cm7 Sept 2015Cliveden Island146400
19.6 cm4 Sept 2007Odney Weir Stream, Cookham.106681
19.5 cm7 Sept 2015Cliveden Island146400

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
Cliveden Island1 Sept 199828 Jul 202314
Odney Weir Stream, Cookham.1 Sept 20002 Sept 201311
Hedsor Weir Stream Cookham to Boulters1 Sept 20051 Sept 20051

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

1998–2023

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 149 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
6.1 cm
Median
11 cm
Upper quarter
13.8 cm
Largest
23 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Cookham - Boulters

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

Bleak Roach Perch Pike 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 →