RiverFish

Bullhead · Cottus gobio

Bullhead in the Bow Beck

Largest measured bullhead: 8.4 cm

The largest bullhead measured in Environment Agency surveys of the Bow Beck was 8.4 cm, recorded at Upstream Denton Road Bridge on 27 July 2011.

Across 136 measured bullhead, the median measured length was 5 cm.

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

See bullhead records across England →

Most recent observation11 August 2014Upstream Beckfoot Farm · 37 fish
Largest measured bullhead
8.4 cm
Median length
5 cm
Fish measured
136
Survey locations
3

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
8.4 cm27 Jul 2011Upstream Denton Road Bridge128889
7.8 cm11 Aug 2014Upstream Beckfoot Farm142959
7.7 cm11 Aug 2014Upstream Beckfoot Farm142959
7.7 cm25 Jun 2008Beckfoot Farm111618
7.6 cm25 Jun 2008Beckfoot Farm111618
7.5 cm11 Aug 2014Upstream Beckfoot Farm142959
7.3 cm11 Aug 2014Upstream Denton Road Bridge142194
7.3 cm14 Sept 2010Upstream Denton Road Bridge123768
7.2 cm27 Jul 2011Upstream Denton Road Bridge128889
7.2 cm27 Jul 2011Upstream Denton Road Bridge128889

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
Upstream Denton Road Bridge26 Jun 199611 Aug 201411
Upstream Beckfoot Farm9 Aug 200011 Aug 20144
Beckfoot Farm24 Aug 199925 Jun 20084

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

1996–2014

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 136 measured fish were spread across different length ranges.

Smallest
1.4 cm
Lower quarter
3.1 cm
Median
5 cm
Upper quarter
5.7 cm
Largest
8.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bow Beck

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

Brown / sea trout Stone loach Minnow

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 →