RiverFish

Dace · Leuciscus leuciscus

Dace in the River Sapiston (Black Bourn)

Largest measured dace: 26.4 cm

The largest dace measured in Environment Agency surveys of the River Sapiston (Black Bourn) was 26.4 cm, recorded at Bailey Pool Bridge on 3 September 2012.

Across 3,266 measured dace, the median measured length was 13.3 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 Sapiston (Black Bourn).

See dace records across England →

Most recent observation22 August 2024Bailey Pool Bridge · 4 fish
Largest measured dace
26.4 cm
Median length
13.3 cm
Fish measured
3,266
Survey locations
12

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
26.4 cm3 Sept 2012Bailey Pool Bridge133174
26.3 cm8 May 1992Bardwell Mill30058
26.3 cm21 May 1990Bailey Pool Bridge30046
26.3 cm3 Apr 1989Bardwell Mill30040
25.8 cm16 Oct 1995Bardwell Mill30069
25.5 cm3 Sept 2012Bailey Pool Bridge133174
25.3 cm15 May 1992Micklemere30053
25.3 cm24 Apr 1992Sapiston Bridge30059
25.3 cm12 Jul 1988Ixworth Mill30030
24.8 cm23 Oct 1995Sapiston Bridge30070

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
Bailey Pool Bridge21 May 199022 Aug 20248
Euston14 Jul 19888 Nov 20186
Bullbridge19 Apr 198925 Oct 20185
Sapiston Bridge13 Jul 19887 Sept 20126
Black Bridge6 Sept 20126 Sept 20121
Ixworth30 Mar 19895 Sept 20123
Micklemere11 Jul 19884 Sept 20129
Parkhouse Farm13 Jul 198826 Oct 19953
Burnthall Plantation7 May 199226 Oct 19952
US Burnthall Plantation5 May 199224 Oct 19952
Ixworth Mill12 Jul 198817 Oct 19954
Bardwell Mill12 Jul 198816 Oct 19954

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

1988–2024

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 3,266 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
9.8 cm
Median
13.3 cm
Upper quarter
17.3 cm
Largest
26.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Sapiston (Black Bourn)

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

Roach Gudgeon Pike Chub European eel Bullhead

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 →