Dace · Leuciscus leuciscus

Dace in the River Mersey

Largest measured dace: 25.3 cm

The largest dace measured in Environment Agency surveys of the River Mersey was 25.3 cm, recorded at Mrme45 on 17 August 2003.

Across 205 measured dace, the median measured length was 13.3 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 Mersey.

See dace records across England →

Most recent observation17 October 2010Mrme45 · 56 fish

Largest measured dace: 25.3 cm
Median length: 13.3 cm
Fish measured: 205
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.

Length	Survey date	Survey location	Survey ID
25.3 cm	17 Aug 2003	Mrme45	79300
23.6 cm	26 Sept 2004	Mrme45	82502
21.6 cm	26 Sept 2004	Mrme45	82502
18.9 cm	20 Sept 2009	Mrme45	120838
18.4 cm	17 Oct 2010	Mrme45	125131
18.2 cm	17 Oct 2010	Mrme45	125131
18.1 cm	17 Oct 2010	Mrme45	125131
18 cm	17 Oct 2010	Mrme45	125131
17.9 cm	17 Oct 2010	Mrme45	125131
17.7 cm	17 Oct 2010	Mrme45	125131

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
Mrme45	17 Aug 2003	17 Oct 2010	4
Mrme11	27 Jun 2005	27 Jun 2005	1
Mrme33	29 Sept 2000	29 Sept 2000	1

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

2000–2010

Survey records by year

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

100

001

002

103

104

105

006

007

008

109

110

Fish measured by surveyors

Measured length distribution

See how the 205 measured fish were spread across different length ranges.

Smallest: 8.4 cm
Lower quarter: 12.5 cm
Median: 13.3 cm
Upper quarter: 16 cm
Largest: 25.3 cm

0–99 mm

100–199 mm

201

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Mersey

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

Gudgeon Roach 3-spined stickleback Chub Minnow 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 →