Dace · Leuciscus leuciscus

Dace in the Boulters Weir Stream

Largest measured dace: 13 cm

The largest dace measured in Environment Agency surveys of the Boulters Weir Stream was 13 cm, recorded at Boulters Weir Upstream Fry on 22 August 2017.

Across 500 measured dace, the median measured length was 5.6 cm.

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

See dace records across England →

Most recent observation4 September 2025Boulters Weir Upstream Fry · 6 fish
Largest measured dace
13 cm
Median length
5.6 cm
Fish measured
500
Survey locations
2

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
13 cm22 Aug 2017Boulters Weir Upstream Fry151485
13 cm18 Aug 2010Boulters Weir Upstream Fry124366
12.6 cm22 Aug 2017Boulters Weir Upstream Fry151485
11.6 cm26 Aug 2003Boulters Weir Downstream Fry116941
11.4 cm31 Aug 2006Boulters Weir Downstream Fry111832
10.7 cm18 Aug 2015Boulters Weir Upstream Fry146044
10.6 cm18 Aug 2015Boulters Weir Downstream Fry146045
10.5 cm20 Aug 2012Boulters Weir Upstream Fry135281
10 cm31 Aug 2006Boulters Weir Downstream Fry111832
9.8 cm19 Aug 2014Boulters Weir Downstream Fry142435

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
Boulters Weir Upstream Fry7 Sept 20044 Sept 202513
Boulters Weir Downstream Fry26 Aug 200322 Aug 201712

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

2003–2025

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 500 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
5.1 cm
Median
5.6 cm
Upper quarter
6.2 cm
Largest
13 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Boulters Weir Stream

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

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 →