Dace · Leuciscus leuciscus

Dace in the River Brent

Largest measured dace: 22 cm

The largest dace measured in Environment Agency surveys of the River Brent was 22 cm, recorded at Hanwell Bridge on 29 September 2010.

Across 109 measured dace, the median measured length was 18 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 Brent.

See dace records across England →

Most recent observation25 October 2016Greenford Bridge · 2 fish

Largest measured dace: 22 cm
Median length: 18 cm
Fish measured: 109
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.

Length	Survey date	Survey location	Survey ID
22 cm	29 Sept 2010	Hanwell Bridge	124057
21.5 cm	25 Oct 2016	Greenford Bridge	149936
21.5 cm	17 Mar 1999	Hanwell Bridge	73571
21.2 cm	17 Mar 1999	Hanwell Bridge	73571
21 cm	29 Sept 2010	Hanwell Bridge	124057
21 cm	17 Mar 1999	Hanwell Bridge	73571
20.5 cm	3 Nov 1994	Boston Manor Park (Brent/GUC)	103476
19.8 cm	17 Mar 1999	Hanwell Bridge	73571
19.7 cm	29 Sept 2010	Hanwell Bridge	124057
19.7 cm	29 Sept 2010	Hanwell Bridge	124057

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 surveyed	First recorded	Last recorded	Visits finding dace
Greenford Bridge	18 Oct 1994	25 Oct 2016	2
Hanwell Bridge	17 Mar 1999	29 Sept 2010	3
Boston Manor Park (Brent/GUC)	3 Nov 1994	3 Nov 1994	1
Elthorpe Park River Brent (GUC)	27 Oct 1994	27 Oct 1994	1

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

1994–2016

Survey records by year

Each bar shows how many survey visits recorded dace that year.

394

095

096

097

098

199

000

001

002

003

004

105

006

007

008

009

110

011

012

013

014

015

116

Fish measured by surveyors

Measured length distribution

See how the 109 measured fish were spread across different length ranges.

Smallest: 7.5 cm
Lower quarter: 15 cm
Median: 18 cm
Upper quarter: 19 cm
Largest: 22 cm

0–99 mm

100–199 mm

101

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brent

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

Perch Roach 3-spined stickleback Gudgeon European eel Common carp

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 →