Dace · Leuciscus leuciscus

Dace in the Main River Biss

Largest measured dace: 21 cm

The largest dace measured in Environment Agency surveys of the Main River Biss was 21 cm, recorded at Ashton Hill Farm on 31 July 1997.

Across 40 measured dace, the median measured length was 14.2 cm.

Surveyors recorded weights for 29 dace. The median was 0.4 oz (0.01 kg) and the largest recorded weight was 4.7 oz (0.133 kg).

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

See dace records across England →

Most recent observation28 June 2012Ashton Hill Farm · 5 fish

Largest measured dace: 21 cm
Median length: 14.2 cm
Fish measured: 40
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
21 cm	31 Jul 1997	Ashton Hill Farm	77048
20.9 cm	28 Jun 2012	Ashton Hill Farm	131684
20.5 cm	28 Jun 2012	Ashton Hill Farm	131684
20.4 cm	14 Aug 2003	u/s Blackball Hatch (Te)	76667
20.4 cm	31 Jul 1997	Ashton Hill Farm	77048
20.2 cm	31 Jul 1997	Ashton Hill Farm	77048
20 cm	14 Aug 2003	u/s Blackball Hatch (Te)	76667
19.7 cm	24 Oct 2007	Ashton Hill Farm	108707
19.5 cm	31 Jul 1997	Ashton Hill Farm	77048
18.5 cm	31 Jul 1997	Ashton Hill Farm	77048

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
Ashton Hill Farm	31 Jul 1997	28 Jun 2012	3
u/s Blackball Hatch (Te)	14 Aug 2003	11 Jul 2005	2
Ladydown Mill	11 Sept 1997	11 Sept 1997	1

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

1997–2012

Survey records by year

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

297

098

099

000

001

002

103

004

105

006

107

008

009

010

011

112

Fish measured by surveyors

Measured length distribution

See how the 40 measured fish were spread across different length ranges.

Smallest: 5.2 cm
Lower quarter: 8.5 cm
Median: 14.2 cm
Upper quarter: 18.2 cm
Largest: 21 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 29 dace. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.2 oz (0.007 kg)
Median: 0.4 oz (0.01 kg)
Upper quarter: 2.4 oz (0.068 kg)
Heaviest: 4.7 oz (0.133 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Main River Biss

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

Bullhead Brown / sea trout Minnow Chub 3-spined stickleback Roach

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 →