RiverFish

Dace · Leuciscus leuciscus

Dace in the River Derwent

Largest measured dace: 23.7 cm

The largest dace measured in Environment Agency surveys of the River Derwent was 23.7 cm, recorded at Duffield on 9 September 2007.

Across 894 measured dace, the median measured length was 11.9 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 Derwent.

See dace records across England →

Most recent observation22 September 2025Derby Triangle Net · 1 fish
Largest measured dace
23.7 cm
Median length
11.9 cm
Fish measured
894
Survey locations
14

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
23.7 cm9 Sept 2007Duffield107979
23.5 cm9 Sept 2007Duffield107979
23 cm29 Aug 1994Church Wilne25181
22.6 cm22 Apr 1993Alvaston25698
22.6 cm22 Apr 1993Alvaston25698
22.5 cm29 Aug 1994Church Wilne25181
22.5 cm28 Apr 1993Church Wilne25697
22.3 cm9 Sept 2007Duffield107979
21.9 cm1 Sept 2013Borrowash140184
21.7 cm22 Apr 1993Alvaston25698

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
Derby Triangle Net22 Sept 202522 Sept 20251
Nooning Lane Net26 Jul 201219 Sept 20253
Chub Alley1 Jul 201025 Jul 20173
Borrowash Fish Pass Pool116 Sept 201616 Sept 20161
Nooning Lane19 Apr 200517 Sept 20145
Borrowash14 Oct 20011 Sept 20137
Chub Alley Net3 Aug 20123 Aug 20121
Peckwash Mill1 Sept 20101 Sept 20101
Church Wilne28 Apr 19935 Oct 20088
Duffield6 Oct 20029 Sept 20074
Draycott19 May 200519 May 20051
Cromford16 Sept 200416 Sept 20041
Ambergate5 May 19935 May 19931
Alvaston22 Apr 199322 Apr 19931

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

1993–2025

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 894 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
10.5 cm
Median
11.9 cm
Upper quarter
15.5 cm
Largest
23.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Derwent

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

Brown / sea trout Bullhead Minnow Grayling Chub Stone loach

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 →