Bullhead · Cottus gobio

Bullhead in the River Anker

Largest measured bullhead: 10.7 cm

The largest bullhead measured in Environment Agency surveys of the River Anker was 10.7 cm, recorded at Ratcliffe Bridge on 14 April 2015.

Across 634 measured bullhead, the median measured length was 6.4 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 Anker.

See bullhead records across England →

Most recent observation30 April 2026Stationfields, Tamworth
Largest measured bullhead
10.7 cm
Median length
6.4 cm
Fish measured
634
Survey locations
9

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
10.7 cm14 Apr 2015Ratcliffe Bridge144873
9.8 cm14 Apr 2015Ratcliffe Bridge144873
9.7 cm16 Apr 2013Fieldon Bridge135847
9.6 cm9 Apr 2013Stationfields, Tamworth135888
9.5 cm9 Apr 2013Stationfields, Tamworth135888
9.4 cm12 May 2015Stationfields, Tamworth144877
9.4 cm23 Apr 2013Ratcliffe Bridge135931
9.2 cm14 Apr 2015Ratcliffe Bridge144873
9.2 cm14 Apr 2015Ratcliffe Bridge144873
9.2 cm17 Apr 2014Fieldon Bridge140717

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
Stationfields, Tamworth2 Mar 200430 Apr 202619
Polesworth3 Mar 200429 Apr 202618
Fieldon Bridge16 Feb 199328 Apr 202620
Ratcliffe Bridge10 Mar 20048 Apr 202620
Leathermill15 Jan 19977 Apr 202623
Weddington5 Jul 200520 Apr 20234
Amington Hall - Netting22 Sept 202222 Sept 20221
Anker Bridge11 Sept 20126 Sept 20162
Upstream Abbey Metals18 May 201018 May 20101

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

1993–2026

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 634 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
5.1 cm
Median
6.4 cm
Upper quarter
7.4 cm
Largest
10.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Anker

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

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 →