RiverFish

Dace · Leuciscus leuciscus

Dace in the River Welland

Largest measured dace: 41 cm

The largest dace measured in Environment Agency surveys of the River Welland was 41 cm, recorded at Downstream Harringworth Road Bridge on 12 June 1990.

Across 9,327 measured dace, the median measured length was 13 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 Welland.

See dace records across England →

Most recent observation7 May 2026Upstream Great Bowden Road Bridge · 1 fish
Largest measured dace
41 cm
Median length
13 cm
Fish measured
9,327
Survey locations
59

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
41 cm12 Jun 1990Downstream Harringworth Road Bridge54230
31.5 cm14 Jun 1990Upstream Harringworth Viaduct54229
31.5 cm12 Jun 1990Downstream Gretton Road Bridge54228
29.5 cm18 Jul 2000Downstream Harringworth Road Bridge73114
27 cm3 Jun 2004Downstream Harringworth Road Bridge82546
26.7 cm16 Oct 2024Hudds Mill Downstream Weir (main channel)167660
26.5 cm8 May 1996300 yard Downstream Ashley Gauging Weir54285
26.5 cm5 Jul 1990Downstream Collyweston Road Bridge54233
25.5 cm21 Apr 2005Downstream Harringworth Road Bridge86736
25.5 cm25 Apr 2003Downstream Harringworth Road Bridge75873

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
Upstream Great Bowden Road Bridge25 May 19907 May 202610
Hudds Mill Downstream Weir (main channel)27 Aug 200916 Oct 20244
Stamford Meadows21 Jun 199015 Oct 202421
Sandy Lane11 Jul 199010 Oct 202417
Market Harborough Pre habitat survey8 Jul 20228 Jul 20221
Upstream Wakerly Road Bridge20 Jun 19901 Oct 20189
Downstream Gretton Road Bridge19 Nov 198228 Sept 201711
Downstream Harringworth Road Bridge22 Feb 198327 Sept 201715
Downstream Duddington Road Bridge9 Jul 199021 Sept 201715
Downstream Uffington13 Aug 197925 Oct 201612
Downstream Tinwell weir2 Sept 200914 Oct 20163
Downstream Lolham Bridge17 Sept 199010 Oct 20143
Upstream Welham Road Bridge8 Jun 19909 Oct 20147
Thorpe by Water2 Jul 20142 Jul 20141
Upstream Ashley Road Bridge8 Jun 199030 Jun 20146
Blackgate16 May 198418 Jun 201417
Rockingham Road Bridge Upstream12 May 201120 May 20142
Weston19 May 201419 May 20141
Downstream STW Market Harborough23 May 19909 May 20147
Upstream Ashley Gauging Weir16 Apr 201416 Apr 20141
500 yards Upstream Ashley Gauging Weir16 Apr 201416 Apr 20141
300 yard Downstream Ashley Gauging Weir24 May 199014 Apr 20149
Upstream Lubenham Road Bridge22 May 199017 Mar 20149
Upstream Harringworth Viaduct23 Feb 19834 May 20116
Downstream Lolham Mill Stream19 Jan 199017 Jun 20107
Upstream Bringhurst Road Bridge30 Apr 19938 Jun 20093
Middle Section20 Nov 200820 Nov 20081
Full Section20 Nov 200820 Nov 20081
Right Hand Bank18 Nov 200818 Nov 20081
Right Hand Bank18 Nov 200818 Nov 20081
Middle Section18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Left Hand Bank18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Full Section18 Nov 200818 Nov 20081
Central Section18 Nov 200818 Nov 20081
Wherry's Mill20 Apr 200525 Jun 20082
Downstream Rockingham Road Bridge24 Feb 19833 Aug 20066
Downstream Bringhurst Road Bridge25 May 19903 Aug 20064
Turtle Bridge1 Aug 20061 Aug 20061
Run Up21 Sept 200021 Sept 20001
Downstream Four Mile Bar Road Bridge20 Sept 200020 Sept 20001
Upstream Tallington Road Bridge21 May 199327 Jul 20002
Tallington Mill Upstream27 Apr 198426 Jul 20004
Downstream Hudds Mill - back channel12 Jul 199020 Jul 20004
Market Harborough Upstream Road Bridge24 May 199023 May 20004
Wisbech Road24 Sept 199624 Sept 19961
Downstream Crowland Bridge26 May 199322 Jul 19962
Peg 3971 Jun 199311 Jul 19962
Upstream Lolham Mill Stream10 Jul 199011 Jun 19962
No 2 Clay Lake28 Jun 199328 Jun 19931
Downstream High Locks30 Aug 199024 May 19932
Upstream Tinwell Mill21 Jun 199011 May 19932
Downstream Collyweston Road Bridge14 Mar 198311 May 19933
Downstream Gunthorpe Road Bridge3 Oct 199028 Apr 19932
Upstream A16 Road Bridge6 Apr 19936 Apr 19931
Peg 45018 Oct 199018 Oct 19901
Welland Yacht Club11 Oct 199011 Oct 19901
Great Bowden29 Mar 199029 Mar 19901

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

1979–2026

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 9,327 measured fish were spread across different length ranges.

Smallest
0.5 cm
Lower quarter
10 cm
Median
13 cm
Upper quarter
16 cm
Largest
41 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Welland

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

Pike European eel Roach Perch Gudgeon Chub

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 →