RiverFish

Bullhead · Cottus gobio

Bullhead in the River Glazebrook

Largest measured bullhead: 8.2 cm

The largest bullhead measured in Environment Agency surveys of the River Glazebrook was 8.2 cm, recorded at Avonwick Mill (Te) on 12 June 2018.

Across 31 measured bullhead, the median measured length was 6.3 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 Glazebrook.

See bullhead records across England →

Most recent observation20 June 2024Avonwick Mill (Te) · 5 fish
Largest measured bullhead
8.2 cm
Median length
6.3 cm
Fish measured
31
Survey locations
2

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
8.2 cm12 Jun 2018Avonwick Mill (Te)152667
8.2 cm4 Jul 2016Avonwick Mill (Te)148401
7.7 cm12 Jun 2018Avonwick Mill (Te)152667
7.5 cm1 Jul 2019Avonwick Mill (Te)154680
7.4 cm4 Jul 2016Avonwick Mill (Te)148401
7.4 cm4 Jul 2016Avonwick Mill (Te)148401
7.3 cm12 Jun 2018Avonwick Mill (Te)152667
7 cm12 Jun 2018Avonwick Mill (Te)152667
6.8 cm1 Jul 2019Avonwick Mill (Te)154680
6.8 cm4 Jul 2016Avonwick Mill (Te)148401

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
Avonwick Mill (Te)11 Aug 199720 Jun 202415
Glazebrook Bridge (5 min)17 Aug 202317 Aug 20231

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

1997–2024

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 31 measured fish were spread across different length ranges.

Smallest
4.8 cm
Lower quarter
5.8 cm
Median
6.3 cm
Upper quarter
6.9 cm
Largest
8.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Glazebrook

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

Brown / sea trout Atlantic salmon European eel

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 →