RiverFish

Dace · Leuciscus leuciscus

Dace in the River Upper Ouse

Largest measured dace: 28.8 cm

The largest dace measured in Environment Agency surveys of the River Upper Ouse was 28.8 cm, recorded at Old Mill House Buckingham on 24 June 1988.

Across 8,691 measured dace, the median measured length was 11.8 cm.

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

See dace records across England →

Most recent observation21 April 2026DS Wolverton Mill · 25 fish
Largest measured dace
28.8 cm
Median length
11.8 cm
Fish measured
8,691
Survey locations
45

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
28.8 cm24 Jun 1988Old Mill House Buckingham28817
28.3 cm4 Apr 1997Water Stratford28863
28.3 cm24 Jun 1988Old Mill House Buckingham28817
28.3 cm24 Jun 1988Old Mill House Buckingham28817
28.3 cm24 Jun 1988Old Mill House Buckingham28817
27.8 cm24 Mar 1994Water Stratford28847
27.8 cm24 Jun 1988Old Mill House Buckingham28817
27.3 cm24 Jun 1988Old Mill House Buckingham28817
26.3 cm1 Jul 1991Buckingham28832
26.3 cm24 Jun 1988Old Mill House Buckingham28817

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
DS Wolverton Mill20 Aug 201321 Apr 20264
Manor Farm Cosgrove8 Jul 198817 Jun 20259
Passenham14 Jul 198812 Jun 202517
Thornborough Mill23 Jul 19915 Jun 202514
Buckingham23 Jun 19883 Jun 202519
Westbury25 Mar 19979 Jul 20246
Mill Farm30 Jun 198826 Jun 202410
Kempston Mill25 Nov 198831 Aug 20237
Oakley23 Nov 198830 Aug 202316
Odell21 Nov 198823 Aug 202313
Turvey18 Nov 198822 Aug 202317
Clifton Reynes16 Nov 198816 Aug 202316
Brackley30 Sept 200812 Oct 20226
Stony Stratford Bypass Channel30 Jun 20168 Oct 20193
Mill Farm Gayhurst2 Aug 198819 Aug 201912
DS Ravenstone Mill1 Sept 201111 Oct 20173
Newport Pagnell15 Nov 19884 Sept 201714
Water Stratford28 Jun 19918 Sept 20166
Mount Mill Farm9 Aug 19885 Aug 201313
Old Stratford27 Jun 198830 Jul 20136
Lavendon Mill13 Oct 19882 Sept 20114
Pavenham11 Nov 198817 Aug 20107
Ravenstone Mill1 Nov 19885 Aug 20107
Radwell / Bletsoe20 Oct 19884 Aug 201010
Wolverton Mill21 Aug 199129 Jun 201010
Turweston1 Oct 20081 Oct 20081
DS Passenham Weir15 Jul 198817 Apr 20086
Milton Ernest STW7 Sept 20047 Sept 20041
Falcon Inn Bletsoe6 Sept 20046 Sept 20041
Stoke Mill Sharnbrook3 Sept 20043 Sept 20041
Haversham Weir20 Jul 198820 May 20043
Stony Stratford1 Nov 20011 Nov 20011
Biddenham29 Nov 198817 Nov 19972
Harrold Country Park14 Nov 198814 Nov 19974
Queens Park Bedford25 Nov 19945 Nov 19972
Sherrington26 Oct 198823 Oct 19974
Felmersham19 Oct 198820 Oct 19973
Carlton18 Oct 198817 Oct 19973
Emberton Park24 Nov 198816 Oct 19972
Newton Blossomville17 Oct 19888 Oct 19973
Radclive Mill27 Mar 199130 Apr 19973
US Mill Farm28 Jun 198817 Apr 19974
Old Mill House Buckingham24 Jun 198814 Apr 19974
Clapham28 Oct 198828 Oct 19942
Milton Ernest22 Nov 198819 Oct 19943

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

1988–2026

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 8,691 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
9.3 cm
Median
11.8 cm
Upper quarter
15.1 cm
Largest
28.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Upper Ouse

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

Pike Perch Roach Chub Gudgeon Common bream

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 →