RiverFish

Bullhead · Cottus gobio

Bullhead in the River Arrow

Largest measured bullhead: 11.3 cm

The largest bullhead measured in Environment Agency surveys of the River Arrow was 11.3 cm, recorded at Old Birmingham Rd. Alvechurch on 22 August 1998.

Across 288 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 Arrow.

See bullhead records across England →

Most recent observation21 May 2025Alcester playing fields
Largest measured bullhead
11.3 cm
Median length
6.4 cm
Fish measured
288
Survey locations
15

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
11.3 cm22 Aug 1998Old Birmingham Rd. Alvechurch81904
11 cm22 Aug 1998Old Birmingham Rd. Alvechurch81904
10.6 cm21 May 2013Spernal d/s WRW136059
10.5 cm21 May 2013Alcester playing fields136061
10.5 cm22 Aug 1996Upstream WRW, Lodge Farm, Alvechurch81905
10.5 cm22 Aug 1996Arrow Valley Park,50 u/s and d/s Batchley Brook co52204
10 cm21 May 2013Alcester playing fields136061
10 cm21 May 2013Spernal d/s WRW136059
9.9 cm14 Aug 1996Washford site 8 (u/s end of site)81907
9.9 cm14 Aug 1996Washford78919

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
Alcester playing fields29 Aug 199621 May 202513
Spernal d/s WRW9 Jul 200120 May 20257
Ipsley9 Aug 201620 May 20255
Salford Priors1 Jul 201426 May 20225
Arrow Valley Park4 Aug 20164 Jun 20193
Downstream Arrow Mill Weir (Fish Pass)17 May 201218 Jun 20132
Coughton Ford28 Aug 199612 Jul 20067
Studley10 Jul 200315 Jul 20042
Old Birmingham Rd. Alvechurch9 Jul 199122 Aug 19982
Upstream WRW, Lodge Farm, Alvechurch9 Jul 199111 Jun 19973
Oversley Bridge19 Sept 199619 Sept 19961
Arrow Valley Park,50 u/s and d/s Batchley Brook co22 Aug 199622 Aug 19961
Washford site 8 (u/s end of site)14 Aug 199614 Aug 19961
Washford site 8 (d/s end of site)14 Aug 199614 Aug 19961
Washford14 Aug 199614 Aug 19961

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

1991–2025

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 288 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
4.9 cm
Median
6.4 cm
Upper quarter
7.5 cm
Largest
11.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Arrow

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

Minnow Roach Chub Stone loach European eel Gudgeon

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 →