RiverFish

Bullhead · Cottus gobio

Bullhead in the River Wallington

Largest measured bullhead: 16.7 cm

The largest bullhead measured in Environment Agency surveys of the River Wallington was 16.7 cm, recorded at Whitedell Farm on 25 June 2001.

Across 195 measured bullhead, the median measured length was 4.7 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 Wallington.

See bullhead records across England →

Most recent observation15 August 2024Whitedell Farm · 65 fish
Largest measured bullhead
16.7 cm
Median length
4.7 cm
Fish measured
195
Survey locations
8

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
16.7 cm25 Jun 2001Whitedell Farm51949
8.4 cm25 Jun 2008Upstream of Boarhunt Bridge113717
8 cm13 Jul 2010Whitedell Farm123828
8 cm1 Jul 2008Hipley Copse113750
7.9 cm13 Jul 2010Whitedell Farm123828
7.9 cm13 Jul 2010Whitedell Farm123828
7.4 cm1 Jul 2008Hipley Copse113750
7.2 cm13 Jul 2010Whitedell Farm123828
7.2 cm1 Jul 2008Hipley Copse113750
7.1 cm1 Jul 2008Hipley Copse113750

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
Whitedell Farm25 Jun 200115 Aug 202410
Upstream of Boarhunt Bridge7 Jun 200713 Aug 20249
Hipley Copse1 Jul 20081 Jul 20081
Southwick bypass11 Jun 200711 Jun 20071
Cheeseman's Bridge8 Jun 20078 Jun 20071
Spurling's Farm7 May 20077 May 20071
Potwell Ford1 Sept 20041 Sept 20041
Rooks Bridge15 Aug 200115 Aug 20011

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

2001–2024

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 195 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
3.4 cm
Median
4.7 cm
Upper quarter
5.3 cm
Largest
16.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wallington

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

Roach European eel Brown / sea trout Minnow Stone loach Chub

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 →