RiverFish

Dace · Leuciscus leuciscus

Dace in the River Stour

Largest measured dace: 34.3 cm

The largest dace measured in Environment Agency surveys of the River Stour was 34.3 cm, recorded at Mill Farm Clare on 18 September 2006.

Across 24,511 measured dace, the median measured length was 13.2 cm.

Surveyors recorded weights for 294 dace. The median was 4.9 oz (0.1385 kg) and the largest recorded weight was 11.8 oz (0.335 kg).

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

See dace records across England →

Most recent observation14 July 2026Tendring Hall · 26 fish
Largest measured dace
34.3 cm
Median length
13.2 cm
Fish measured
24,511
Survey locations
50

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
34.3 cm18 Sept 2006Mill Farm Clare101440
28.3 cm24 Oct 1988Rats Castle13564
28 cm2 Sept 2009Mill Farm Clare120347
27.7 cm21 Oct 1988Clare Mill13565
27.6 cm9 Oct 1985Kedington FGS13525
27.6 cm21 Oct 1980Rats Castle77514
27.5 cm21 Oct 1988Clare Mill13565
27.2 cm29 Aug 2006Bower Hall101084
27.1 cm18 Oct 1985Bower Hall13517
27 cm18 Oct 1985Bower Hall13517

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
Tendring Hall20 Jul 198314 Jul 202623
Higham Hall18 Aug 19833 Jul 202622
Mill Meadow29 Sept 198111 Aug 202530
Bures Mill23 Jul 19855 Aug 202525
Lamarsh FGS A24 Jul 198530 Jul 202523
Pitmire A27 Sept 198829 Jul 202522
Anchor Bridge19 Jul 198324 Jul 202529
Fen Bridge23 Aug 198315 Jul 202516
Stratford28 Jul 198310 Jul 202513
Baythorne End8 Oct 19918 Oct 202410
Rats Castle21 Oct 198023 Sept 202418
Kedington Radial Gate9 Oct 199128 Aug 202412
Wixoe Pumping Station24 Sept 199127 Aug 202410
Mill Farm Clare14 Oct 198023 Aug 202415
Bush Boake Allen5 Nov 198014 Aug 202414
Boxted Mill11 Jul 198513 Aug 202417
Wormingford Mill19 Nov 19817 Aug 202415
Pentlow Mill1 Oct 198531 Jul 202411
Wiston Mill16 Jul 198517 Jul 202411
Bures Bridge A12 Nov 198110 Jul 202423
Downstream Dedham Mill19 Aug 19833 Jul 202412
Bower Hall18 Oct 19858 Nov 202113
Clare Mill17 Oct 19855 Nov 202113
Liston Mill22 Sept 19815 Oct 201816
Upstream Dedham Mill10 Jun 198526 Jun 20186
Wissington24 Nov 19812 Aug 201619
Stoke By Clare9 Oct 19802 Sept 201510
Flatford Mill25 Aug 19831 Jul 20155
Shalford Weir30 Sept 198130 Jul 20109
Bakers Mill A11 Nov 198129 Jul 201015
Little Thurlow28 Sept 200928 Sept 20091
Little Wratting10 Oct 19918 Sept 20095
Glemsford Pits21 Oct 198526 Aug 20098
Pentlow Street28 Oct 198021 Aug 200910
Kedington FGS8 Oct 198021 Aug 200910
Brundon (River Stour Middle)1 Aug 198510 Aug 20097
Rodbridge Park25 Sept 19856 Aug 20099
Priory Meadow29 Jul 19854 Aug 20098
Garnons Farm26 Jul 198316 Jul 20098
Wick Farm20 Jul 19833 Jul 200910
Mill Green Radial Gate25 Oct 198827 Sept 20067
Langham Intake21 Jul 198311 Jul 200611
Brantham Lock12 Jun 198529 Jun 20065
Dedham (Old) River24 Aug 198318 Jun 20035
Great Thurlow25 Sept 19807 Nov 19943
Pitmire B26 Jul 198526 Jul 19851
Cattawade30 Aug 198330 Aug 19831
Stratford St Mary Mill Pool27 Jul 198327 Jul 19831
Stanch Farm B18 Nov 198118 Nov 19811
Lamarsh FGS B15 Oct 198115 Oct 19811

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

1980–2026

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 24,511 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
9.5 cm
Median
13.2 cm
Upper quarter
16.5 cm
Largest
34.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 294 dace. This is a subset of the measured fish and may not represent the whole population.

Lightest
0.1 oz (0.004 kg)
Lower quarter
2.9 oz (0.082 kg)
Median
4.9 oz (0.1385 kg)
Upper quarter
6 oz (0.1708 kg)
Heaviest
11.8 oz (0.335 kg)

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

More fish in this river

Explore the River Stour

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

Roach European eel Perch Pike Chub Gudgeon

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 →