Dace · Leuciscus leuciscus

Dace in the Bourn Brook

Largest measured dace: 26.3 cm

The largest dace measured in Environment Agency surveys of the Bourn Brook was 26.3 cm, recorded at Barton Bridge on 4 November 1993.

Across 61 measured dace, the median measured length was 8.3 cm.

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

See dace records across England →

Most recent observation6 March 2025Westfield Farm · 2 fish

Largest measured dace: 26.3 cm
Median length: 8.3 cm
Fish measured: 61
Survey locations: 3

Individual EA measurements

Largest measured dace

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
26.3 cm	4 Nov 1993	Barton Bridge	29328
25.8 cm	4 Nov 1993	Barton Bridge	29328
25.8 cm	4 Nov 1993	Barton Bridge	29328
25.3 cm	4 Nov 1993	Barton Bridge	29328
24.3 cm	4 Nov 1993	Barton Bridge	29328
24.3 cm	18 Apr 1991	Westfield Farm	29324
23.3 cm	4 Nov 1993	Barton Bridge	29328
23.3 cm	4 Nov 1993	Barton Bridge	29328
22.8 cm	18 Apr 1991	Westfield Farm	29324
22.3 cm	4 Nov 1993	Barton Bridge	29328

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 surveyed	First recorded	Last recorded	Visits finding dace
Westfield Farm	18 Apr 1991	6 Mar 2025	4
Cantelupe Farm Bourn Brook	4 Feb 1997	28 Jun 2010	2
Barton Bridge	4 Nov 1993	4 Nov 1993	1

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

1991–2025

Survey records by year

Each bar shows how many survey visits recorded dace that year.

191

092

293

094

095

096

197

098

099

000

001

002

003

004

105

006

007

008

009

110

011

012

013

014

015

016

017

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 61 measured fish were spread across different length ranges.

Smallest: 4.3 cm
Lower quarter: 6.8 cm
Median: 8.3 cm
Upper quarter: 18.8 cm
Largest: 26.3 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bourn Brook

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

Pike Bullhead Roach Perch Minnow 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 →