RiverFish

Bullhead · Cottus gobio

Bullhead in the River Itchen

Largest measured bullhead: 10.2 cm

The largest bullhead measured in Environment Agency surveys of the River Itchen was 10.2 cm, recorded at Southam on 6 November 1986.

Across 148 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 Itchen.

See bullhead records across England →

Most recent observation17 May 2023Long Itchington
Largest measured bullhead
10.2 cm
Median length
5.6 cm
Fish measured
148
Survey locations
7

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 cm6 Nov 1986Southam80996
9.8 cm24 Feb 1992Long Itchington81003
9.6 cm21 Oct 1997Bishops Itchington80969
9.5 cm28 Jun 1998Deppers bridge80976
9.5 cm24 Feb 1992Long Itchington81003
8.8 cm28 Jun 1998Deppers bridge80976
8.8 cm21 Oct 1997Bishops Itchington80969
8.7 cm23 Sept 2008Snowford Bridge115061
8.6 cm23 Sept 2008Snowford Bridge115061
8.3 cm24 Feb 1992Bishops Itchington80971

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
Long Itchington6 Nov 198617 May 20239
Long Itchington upstream site13 Oct 201013 Oct 20101
Snowford Bridge29 Jun 199323 Sept 20082
Deppers bridge21 Oct 199728 Jun 19982
Bishops Itchington24 Feb 199221 Oct 19972
Knightcote28 Jun 199328 Jun 19931
Southam6 Nov 19866 Nov 19861

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

1986–2023

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 148 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
4.4 cm
Median
5.6 cm
Upper quarter
6.6 cm
Largest
10.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Itchen

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

Pike Stone loach Minnow Dace 3-spined stickleback 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 →