Bullhead · Cottus gobio

Bullhead in the Upper River Axe

Largest measured bullhead: 8 cm

The largest bullhead measured in Environment Agency surveys of the Upper River Axe was 8 cm, recorded at Yarley Cross on 5 July 1991.

Across 53 measured bullhead, the median measured length was 6.1 cm.

Surveyors recorded weights for 22 bullhead. The median was 0.1 oz (0.004 kg) and the largest recorded weight was 0.4 oz (0.012 kg).

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

See bullhead records across England →

Most recent observation12 April 2005Burcott Mill (Se-05)

Largest measured bullhead: 8 cm
Median length: 6.1 cm
Fish measured: 53
Survey locations: 4

Individual EA measurements

Largest measured bullhead

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
8 cm	5 Jul 1991	Yarley Cross	80684
7.8 cm	5 Jul 1991	Bleadney	80700
7.7 cm	5 Jul 1991	Yarley Cross	80684
7.5 cm	5 Jul 1991	Yarley Cross	80684
7.5 cm	5 Jul 1991	Yarley Cross	80684
7.4 cm	11 Jul 1991	Glencot	80678
7.4 cm	11 Jul 1991	Glencot	80678
7.3 cm	11 Jul 1991	Glencot	80678
7.3 cm	5 Jul 1991	Yarley Cross	80684
7.2 cm	11 Jul 1991	Glencot	80678

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 surveyed	First recorded	Last recorded	Visits finding bullhead
Burcott Mill (Se-05)	12 Apr 2005	12 Apr 2005	1
Glencot	11 Jul 1991	11 Jul 1991	1
Yarley Cross	5 Jul 1991	5 Jul 1991	1
Bleadney	5 Jul 1991	5 Jul 1991	1

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

1991–2005

Survey records by year

Each bar shows how many survey visits recorded bullhead that year.

391

092

093

094

095

096

097

098

099

000

001

002

003

004

105

Fish measured by surveyors

Measured length distribution

See how the 53 measured fish were spread across different length ranges.

Smallest: 2.4 cm
Lower quarter: 5 cm
Median: 6.1 cm
Upper quarter: 6.7 cm
Largest: 8 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 22 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.003 kg)
Median: 0.1 oz (0.004 kg)
Upper quarter: 0.2 oz (0.006 kg)
Heaviest: 0.4 oz (0.012 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the Upper River Axe

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

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 →