Dace · Leuciscus leuciscus

Dace in the Grand Union Canal

Largest measured dace: 17.3 cm

The largest dace measured in Environment Agency surveys of the Grand Union Canal was 17.3 cm, recorded at Stoke Bruerne on 23 March 1990.

Across 58 measured dace, the median measured length was 9.8 cm.

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

See dace records across England →

Most recent observation1 February 1994Cosgrove · 1 fish

Largest measured dace: 17.3 cm
Median length: 9.8 cm
Fish measured: 58
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
17.3 cm	23 Mar 1990	Stoke Bruerne	28796
17.3 cm	23 Mar 1990	Stoke Bruerne	28796
16.3 cm	23 Mar 1990	Stoke Bruerne	28796
16.3 cm	23 Mar 1990	Stoke Bruerne	28796
16.3 cm	23 Mar 1990	Stoke Bruerne	28796
16.3 cm	23 Mar 1990	Stoke Bruerne	28796
15.8 cm	23 Mar 1990	Stoke Bruerne	28796
15.8 cm	23 Mar 1990	Stoke Bruerne	28796
15.8 cm	23 Mar 1990	Stoke Bruerne	28796
15.3 cm	23 Mar 1990	Stoke Bruerne	28796

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
Cosgrove	1 Feb 1994	1 Feb 1994	1
Stoke Bruerne	23 Mar 1990	31 Jan 1994	2
Grafton Regis	3 Apr 1990	28 Jan 1994	2

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

1990–1994

Survey records by year

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

290

091

092

093

394

Fish measured by surveyors

Measured length distribution

See how the 58 measured fish were spread across different length ranges.

Smallest: 6.3 cm
Lower quarter: 8.3 cm
Median: 9.8 cm
Upper quarter: 14.3 cm
Largest: 17.3 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Grand Union Canal

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

Perch Common bream Gudgeon Roach Ruffe 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 →