RiverFish

Bullhead · Cottus gobio

Bullhead in the River Blythe

Largest measured bullhead: 10.3 cm

The largest bullhead measured in Environment Agency surveys of the River Blythe was 10.3 cm, recorded at Duke End on 26 May 2016.

Across 26 measured bullhead, the median measured length was 7.5 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 Blythe.

See bullhead records across England →

Most recent observation4 July 2024Duke End
Largest measured bullhead
10.3 cm
Median length
7.5 cm
Fish measured
26
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
10.3 cm26 May 2016Duke End148309
10.3 cm6 Jun 2013Molands Bridge136477
9.7 cm6 Jun 2013Molands Bridge136477
9 cm26 May 2016Duke End148309
8.5 cm6 Jun 2013Molands Bridge136477
8 cm26 May 2016Duke End148309
8 cm26 May 2016Duke End148309
8 cm6 Jun 2013Molands Bridge136477
7.5 cm26 May 2016Duke End148309
7.5 cm26 May 2016Duke End148309

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
Duke End26 May 20164 Jul 20243
Upstream Eastcote Brook18 Mar 19932 Jul 202410
Molands Bridge8 Mar 19902 Jul 202412
Sandalls Bridge20 Feb 199018 Jun 202411
Temple Basall Ford14 Jun 201814 Jun 20181
Blythe Mill4 Apr 199016 Aug 20129
Downstream Eastcote Brook18 Mar 199315 Aug 20067
Widney Manor20 Feb 19908 May 20024
Cheswick Green20 Feb 19908 May 20024
Solihull Riding Club11 Feb 199711 Feb 19971

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

1990–2024

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 26 measured fish were spread across different length ranges.

Smallest
5.2 cm
Lower quarter
7 cm
Median
7.5 cm
Upper quarter
8 cm
Largest
10.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Blythe

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

Gudgeon Minnow Roach Dace Chub Perch

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 →