RiverFish

Bullhead · Cottus gobio

Bullhead in the Nailsworth Stream

Largest measured bullhead: 9.2 cm

The largest bullhead measured in Environment Agency surveys of the Nailsworth Stream was 9.2 cm, recorded at Miry Brook, Nailsworth on 17 March 1992.

Across 285 measured bullhead, the median measured length was 6.1 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Nailsworth Stream.

See bullhead records across England →

Most recent observation8 August 2023Wyevale Garden Centre
Largest measured bullhead
9.2 cm
Median length
6.1 cm
Fish measured
285
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
9.2 cm17 Mar 1992Miry Brook, Nailsworth55037
9.1 cm17 Mar 1992Miry Brook, Nailsworth55037
9 cm17 Mar 1992Miry Brook, Nailsworth55037
9 cm11 Mar 1992Horsley Stream, Washpool55021
9 cm11 Mar 1992Horsley Stream, Washpool55021
9 cm9 Mar 1992Cherrington55045
8.9 cm21 Jul 1997Kimmins Mill, Stroud55051
8.8 cm11 Mar 1992Kimmins Mill, Stroud55053
8.8 cm9 Mar 1992Cherrington55045
8.7 cm21 Jul 1997Kimmins Mill, Stroud55051

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
Wyevale Garden Centre12 Aug 20098 Aug 20234
Gatcombe d/s WRW9 Mar 19928 Aug 20237
Kimmins Mill, Stroud11 Mar 199213 Jul 20114
Cherrington9 Mar 199224 Jul 20023
Horsley Stream, Washpool11 Mar 199223 Jun 19972
Miry Brook, Nailsworth17 Mar 199216 Jun 19972
Eygpt Mills17 Mar 199216 Jun 19972
Avening Stream9 Mar 199216 Jun 19972

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

1992–2023

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 285 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
5 cm
Median
6.1 cm
Upper quarter
7.3 cm
Largest
9.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Nailsworth Stream

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

Brown / sea trout European eel 3-spined stickleback Rainbow trout

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 →