RiverFish

Bullhead · Cottus gobio

Bullhead in the River Wansbeck

Largest measured bullhead: 9.4 cm

The largest bullhead measured in Environment Agency surveys of the River Wansbeck was 9.4 cm, recorded at River Wansbeck at River Green Mill on 17 August 2007.

Across 208 measured bullhead, the median measured length was 5.6 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 Wansbeck.

See bullhead records across England →

Most recent observation22 June 2026River Wansbeck at Bothel Castle Stepping Stones
Largest measured bullhead
9.4 cm
Median length
5.6 cm
Fish measured
208
Survey locations
23

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
9.4 cm17 Aug 2007River Wansbeck at River Green Mill107241
8.6 cm25 Jul 2008River Wansbeck at River Green Mill112953
8.5 cm17 Aug 2007River Wansbeck at River Green Mill107241
8.4 cm16 Jun 2011Bothal Burn129683
8.2 cm30 Jul 2008Ray Burn at Gooses Nest112716
8.2 cm25 Jul 2008River Wansbeck at River Green Mill112953
8.2 cm17 Aug 2007River Wansbeck at River Green Mill107241
8.2 cm17 Aug 2007River Wansbeck at River Green Mill107241
8.1 cm2 Aug 2009River Wansbeck at Bothel Castle Stepping Stones121087
8.1 cm25 Jul 2008River Wansbeck at River Green Mill112953

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
River Wansbeck at Bothel Castle Stepping Stones30 Aug 200122 Jun 202612
River Wansbeck DS of A122 Jul 201322 Jun 20263
River Wansbeck at River Green Mill28 Jul 200516 Jun 202513
River Font at Mitford17 Aug 200716 Jun 202510
River Wansbeck at Middleton Mill2 Oct 200621 Jul 20234
River Wansbeck at West Whelpington Village29 Jun 201114 Jul 20232
Hart Burn at Garden House30 Aug 200114 Jul 20238
River Font at Newton Mill17 Jun 20117 Jul 20233
Swilder Burn1 Jul 201128 Jun 20172
River Wansbeck at Wallington Hall Bridge29 Jun 201128 Jun 20172
River Wansbeck at Dean House29 Jun 201128 Jun 20172
Ray Burn at Gooses Nest30 Jul 200822 Jun 20165
River Wansbeck at Stanners17 Aug 200722 Jul 20155
River Wansbeck at East Mill24 Jul 201322 Jul 20153
River Wansbeck US of A122 Jul 201322 Jul 20153
River Wansbeck at Stobbs Farm23 Jul 20133 Jul 20142
River Wansbeck at Highford23 Jul 20133 Jul 20142
River Wansbeck at Mill Farm22 Jul 20132 Jul 20142
Hart burn at Hartington18 Jul 201318 Jul 20131
River Wansbeck at Low Angerton Bridge29 Jun 201129 Jun 20111
Bothal Burn16 Jun 201116 Jun 20111
River Wansbeck at Morpeth Bridge25 Jul 200825 Jul 20081
River Wansbeck at Lightwater House25 Jul 200825 Jul 20081

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

2001–2026

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 208 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
3.9 cm
Median
5.6 cm
Upper quarter
7.1 cm
Largest
9.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wansbeck

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

Stone loach Brown / sea trout Minnow European eel 3-spined stickleback Atlantic salmon

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 →