RiverFish

Chub · Leuciscus cephalus

Chub in the River Blackwater (Reepham)

Largest measured chub: 36 cm

The largest chub measured in Environment Agency surveys of the River Blackwater (Reepham) was 36 cm, recorded at Downstream Blackwater Bridge on 7 March 1986.

Across 195 measured chub, the median measured length was 15.5 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 chub records across England →

Most recent observation17 June 2015Downstream Eades Mill · 1 fish
Largest measured chub
36 cm
Median length
15.5 cm
Fish measured
195
Survey locations
2

Individual EA measurements

Largest measured chub

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

LengthSurvey dateSurvey locationSurvey ID
36 cm7 Mar 1986Downstream Blackwater Bridge17138
32.8 cm5 Apr 1990Downstream Blackwater Bridge17140
32 cm7 Mar 1986Downstream Blackwater Bridge17138
28.6 cm5 Apr 1990Downstream Blackwater Bridge17140
28 cm5 Apr 1990Downstream Blackwater Bridge17140
26 cm7 Mar 1986Downstream Blackwater Bridge17138
25.8 cm5 Apr 1990Downstream Blackwater Bridge17140
25.7 cm5 Apr 1990Downstream Blackwater Bridge17140
24.6 cm11 May 1994Downstream Blackwater Bridge17142
24.5 cm18 Jun 1997Downstream Blackwater Bridge17144

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where chub were found

Each point marks a survey location with at least one chub 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 chub
Downstream Eades Mill4 Apr 199017 Jun 20155
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.

1986–2015

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 195 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
10.8 cm
Median
15.5 cm
Upper quarter
20 cm
Largest
36 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 Minnow 3-spined stickleback Gudgeon

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 →