RiverFish

Chub · Leuciscus cephalus

Chub in the River Gwash

Largest measured chub: 43.5 cm

The largest chub measured in Environment Agency surveys of the River Gwash was 43.5 cm, recorded at Newstead Mill on 19 March 1990.

Across 108 measured chub, the median measured length was 22 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 Gwash.

See chub records across England →

Most recent observation17 August 2023Foundry Road · 4 fish
Largest measured chub
43.5 cm
Median length
22 cm
Fish measured
108
Survey locations
7

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
43.5 cm19 Mar 1990Newstead Mill54509
37.5 cm19 Mar 1990Newstead Mill54509
34.6 cm17 Aug 2023Foundry Road163361
33.9 cm17 Aug 2023Foundry Road163361
31 cm20 Mar 1996Church bridge - u/s Empingham54522
29.5 cm22 Mar 1996Belmesthorpe Meadow54531
29.2 cm11 Sept 2018Foundry Road153494
28.9 cm22 Mar 1996Belmesthorpe Meadow54531
28.5 cm11 Sept 2018Foundry Road153494
27.4 cm17 Aug 2023Foundry Road163361

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
Foundry Road20 Jul 201717 Aug 20233
Upstream White Post Bridge9 Oct 201715 Aug 20233
Church bridge - u/s Empingham9 Mar 199310 Jun 20144
Newstead Mill19 Mar 19903 Apr 19963
Belmesthorpe Meadow22 Mar 199622 Mar 19961
Downstream Ingthorpe Road Bridge20 Mar 199620 Mar 19961
Shacklewell Lodge Ingthorpe3 Mar 19933 Mar 19931

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

1990–2023

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 108 measured fish were spread across different length ranges.

Smallest
12.5 cm
Lower quarter
19.2 cm
Median
22 cm
Upper quarter
24 cm
Largest
43.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gwash

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

Brown / sea trout European eel Bullhead Grayling Dace 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 →