RiverFish

Dace · Leuciscus leuciscus

Dace in the River Blackwater (Reepham)

Largest measured dace: 25.5 cm

The largest dace measured in Environment Agency surveys of the River Blackwater (Reepham) was 25.5 cm, recorded at Downstream Blackwater Bridge on 7 March 1986.

Across 406 measured dace, the median measured length was 18.4 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 Blackwater (Reepham).

See dace records across England →

Most recent observation26 October 2009Downstream Eades Mill · 2 fish
Largest measured dace
25.5 cm
Median length
18.4 cm
Fish measured
406
Survey locations
2

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
25.5 cm7 Mar 1986Downstream Blackwater Bridge17138
25.1 cm7 Mar 1986Downstream Blackwater Bridge17138
25 cm7 Mar 1986Downstream Blackwater Bridge17138
24.8 cm7 Mar 1986Downstream Blackwater Bridge17138
24.8 cm7 Mar 1986Downstream Blackwater Bridge17138
24.5 cm7 Mar 1986Downstream Blackwater Bridge17138
24.5 cm7 Mar 1986Downstream Blackwater Bridge17138
24.5 cm7 Mar 1986Downstream Blackwater Bridge17138
24.4 cm7 Mar 1986Downstream Blackwater Bridge17138
24.2 cm7 Mar 1986Downstream Blackwater Bridge17138

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
Downstream Eades Mill26 Oct 200926 Oct 20091
Downstream Blackwater Bridge7 Mar 198618 Jun 19974

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

1986–2009

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 406 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
15.3 cm
Median
18.4 cm
Upper quarter
19.8 cm
Largest
25.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blackwater (Reepham)

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

Brown / sea trout Bullhead Stone loach Chub Minnow 3-spined stickleback

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 →