RiverFish

Bullhead · Cottus gobio

Bullhead in the River Hull

Largest measured bullhead: 9.8 cm

The largest bullhead measured in Environment Agency surveys of the River Hull was 9.8 cm, recorded at West Beck downstream Wansford discharge on 8 October 2005.

Across 137 measured bullhead, the median measured length was 7.1 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 Hull.

See bullhead records across England →

Most recent observation7 October 2025Whinhill, West Beck. 2002HULL/WR1
Largest measured bullhead
9.8 cm
Median length
7.1 cm
Fish measured
137
Survey locations
14

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
9.8 cm8 Oct 2005West Beck downstream Wansford discharge87809
9.4 cm8 Oct 2004Bell Mills, West Beck. HULLBT183041
9.2 cm7 Oct 2005Bell Mills, West Beck. HULLBT187755
9.2 cm7 Oct 2005Bell Mills, West Beck. HULLBT187755
9.1 cm1 Oct 2014Bell Mills, West Beck. HULLBT1143245
9 cm8 Oct 2004Bell Mills, West Beck. HULLBT183041
8.9 cm13 Oct 2005Whinhill, West Beck. 2002HULL/WR187794
8.8 cm8 Oct 2004Bell Mills, West Beck. HULLBT183041
8.8 cm8 Oct 2004Bell Mills, West Beck. HULLBT183041
8.7 cm22 Oct 2007us Weel Bridge108661

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
Whinhill, West Beck. 2002HULL/WR130 Sept 20027 Oct 20257
West Beck Downstream Ryders Intake9 Oct 200529 Sept 20254
Wilfholme Landing HULLCRS/(LOWER)28 Oct 20019 Jun 20257
Hempholme Lock HULLCRS/(LOWER)18 Oct 20019 Jun 202511
Bell Mills, West Beck. HULLBT13 Oct 200210 Oct 202210
Wilfholme Pumps - Fry Survey21 Aug 201511 Aug 20182
Watton Beck at R Hull confluence - Fry Survey22 Sept 200316 Aug 20132
Snakeholme, West Beck. 2002HULL/WR230 Sept 200212 Oct 20105
Corpslanding, West Beck HULLCRS/(UPPER)12 Oct 200227 Sept 20103
West Beck Downstream Copper Hall Weir.9 Oct 200523 Oct 20093
Upstream of Hull Bridge HULLCRS/(LOWER)310 Oct 200112 Oct 20095
us Weel Bridge22 Oct 200722 Oct 20071
West Beck downstream Wansford discharge8 Oct 20058 Oct 20051
Downstream of Snakeholm, West Beck HULL/WR116 Oct 200116 Oct 20011

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

2001–2025

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 137 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
6 cm
Median
7.1 cm
Upper quarter
8 cm
Largest
9.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Hull

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

Pike European eel 3-spined stickleback Perch Minnow 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 →