RiverFish

Dace · Leuciscus leuciscus

Dace in the River Wharfe

Largest measured dace: 28.7 cm

The largest dace measured in Environment Agency surveys of the River Wharfe was 28.7 cm, recorded at Nunnery on 21 July 2000.

Across 3,304 measured dace, the median measured length was 9.1 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 Wharfe.

See dace records across England →

Most recent observation11 August 2025Boston Spa - Fry Survey · 26 fish
Largest measured dace
28.7 cm
Median length
9.1 cm
Fish measured
3,304
Survey locations
16

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
28.7 cm21 Jul 2000Nunnery110703
27.6 cm21 Jul 2000Nunnery110703
27.2 cm5 Aug 1997Nunnery110043
27.1 cm7 Aug 1996Nunnery110408
26.7 cm5 Aug 1997Nunnery110043
26.4 cm5 Aug 1997Nunnery110043
25.9 cm29 Jul 1998Pool Mill110146
25.5 cm29 Jul 2003Castley78312
25.5 cm15 Aug 1996Knotford110389
25.1 cm5 Aug 1997Nunnery110043

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
Boston Spa - Fry Survey24 Sept 198511 Aug 202521
Tadcaster post 20069 Aug 200620 Aug 20245
Ilkley27 Aug 19981 Sept 20143
Ulleskelf25 Jul 199616 Jul 201415
Pool Mill27 Jun 19961 Sept 201115
Knotford15 Aug 19961 Sept 201110
Castley18 Jul 19962 Jul 200812
Tadcaster pre 200624 Jul 199630 Jun 20058
Ryther20 Jul 200420 Jul 20041
Wetherby Grange12 Aug 199715 Jul 20047
Burley Bypass31 Jul 199614 Jul 20044
Nunnery7 Aug 199628 Jul 20036
Boston Spa19 Jul 199626 Jul 20036
Tadcaster - Fry Survey18 Sept 200118 Sept 20011
U/s Boston Spa Weir16 Sept 199616 Sept 19983
Collingham26 Jul 199613 Aug 19983

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

1985–2025

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 3,304 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
5.1 cm
Median
9.1 cm
Upper quarter
12.4 cm
Largest
28.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wharfe

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

Minnow Bullhead Stone loach Brown / sea trout European eel 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 →