RiverFish

Bullhead · Cottus gobio

Bullhead in the River Meden

Largest measured bullhead: 10.2 cm

The largest bullhead measured in Environment Agency surveys of the River Meden was 10.2 cm, recorded at The Carrs on 13 May 2014.

Across 212 measured bullhead, the median measured length was 6.1 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 Meden.

See bullhead records across England →

Most recent observation24 September 2025Bothamsall
Largest measured bullhead
10.2 cm
Median length
6.1 cm
Fish measured
212
Survey locations
10

Individual EA measurements

Largest measured bullhead

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

LengthSurvey dateSurvey locationSurvey ID
10.2 cm13 May 2014The Carrs140867
10 cm20 May 2011Hammerwater Bridge126324
10 cm3 Jun 2010Meden Vale121795
9.8 cm13 May 2014The Carrs140867
9.6 cm20 May 2011Hammerwater Bridge126324
9.3 cm17 May 2016Bothamsall148031
9.2 cm2 Jun 2016Pleasley Village148124
9.2 cm13 May 2014The Carrs140867
9.2 cm13 May 2014The Carrs140867
9.2 cm20 May 2011Hammerwater Bridge126324

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

Explore the river

Where bullhead were found

Each point marks a survey location with at least one bullhead 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 bullhead
Bothamsall17 May 201624 Sept 20255
US Pleasley Vale13 May 20142 Jun 20162
Pleasley Village2 Jun 20162 Jun 20161
Littlewood (Northfield Plantation)2 Jun 20162 Jun 20161
The Carrs13 May 201413 May 20141
DS Bothamsall (DS Pre-barrage)26 Jun 201226 Jun 20121
Hammerwater Bridge20 May 201120 May 20111
Meden Vale10 Oct 19953 Jun 201010
Budby11 May 20005 Jul 20055
Church Warsop5 Feb 19928 Jul 20034

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

1992–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 212 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
5.1 cm
Median
6.1 cm
Upper quarter
7.4 cm
Largest
10.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Meden

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

Chub Roach Brown / sea trout 3-spined stickleback European eel 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 →