RiverFish

Dace · Leuciscus leuciscus

Dace in the Main River Tone

Largest measured dace: 25.9 cm

The largest dace measured in Environment Agency surveys of the Main River Tone was 25.9 cm, recorded at Parsonage Farm (Te) on 11 August 2005.

Across 1,267 measured dace, the median measured length was 14.6 cm.

Surveyors recorded weights for 328 dace. The median was 1.3 oz (0.037 kg) and the largest recorded weight was 6.8 oz (0.193 kg).

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

See dace records across England →

Most recent observation30 September 2025Roughmoor (Te) · 14 fish
Largest measured dace
25.9 cm
Median length
14.6 cm
Fish measured
1,267
Survey locations
9

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
25.9 cm11 Aug 2005Parsonage Farm (Te)85433
24.1 cm22 Sept 2003Parsonage Farm (Te)77115
24 cm11 Aug 2005Parsonage Farm (Te)85433
24 cm22 Sept 2003Parsonage Farm (Te)77115
23.9 cm11 Aug 2005Parsonage Farm (Te)85433
23.8 cm31 Aug 2001Cothay Manor72578
23.6 cm4 Aug 2006Parsonage Farm (Te)100819
23.5 cm12 Sept 2024Roughmoor (Te)167016
23.4 cm18 Oct 2022Roughmoor (Te)161675
23.4 cm4 Sept 2014Bathpool142563

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
Roughmoor (Te)9 Oct 200330 Sept 202510
Bathpool12 Sept 200619 Sept 202410
Newbridge12 May 200914 Apr 20152
Ash Farm (Salmon Project)27 May 201027 May 20101
Priorswood (Te)11 Sept 20037 Oct 20096
Parsonage Farm (Te)22 Sept 20034 Aug 20064
Cothay Manor31 Aug 200131 Aug 20011
Hornshay Farm at Nynehead (Se-03)9 Sept 19949 Sept 19941
Hele Hill31 Aug 199431 Aug 19941

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

1994–2025

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 1,267 measured fish were spread across different length ranges.

Smallest
3.8 cm
Lower quarter
10.3 cm
Median
14.6 cm
Upper quarter
17.6 cm
Largest
25.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 328 dace. This is a subset of the measured fish and may not represent the whole population.

Lightest
0 oz (0.001 kg)
Lower quarter
0.5 oz (0.015 kg)
Median
1.3 oz (0.037 kg)
Upper quarter
2.7 oz (0.076 kg)
Heaviest
6.8 oz (0.193 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Main River Tone

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

Brown / sea trout Bullhead European eel Stone loach Minnow Atlantic salmon

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 →