RiverFish

Bullhead · Cottus gobio

Bullhead in the River Tat

Largest measured bullhead: 10.8 cm

The largest bullhead measured in Environment Agency surveys of the River Tat was 10.8 cm, recorded at Downstream Pynkney Hall, Tatterford on 5 April 2016.

Across 112 measured bullhead, the median measured length was 6.5 cm.

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

See bullhead records across England →

Most recent observation15 April 2025Downstream Pynkney Hall, Tatterford · 1 fish
Largest measured bullhead
10.8 cm
Median length
6.5 cm
Fish measured
112
Survey locations
2

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
10.8 cm5 Apr 2016Downstream Pynkney Hall, Tatterford148198
10.8 cm21 Feb 2014Downstream Pynkney Hall, Tatterford140500
10.1 cm9 Mar 2009Coxford Abbey Farm117065
10 cm11 Mar 2022Downstream Pynkney Hall, Tatterford160988
9.6 cm11 Mar 2022Downstream Pynkney Hall, Tatterford160988
9.3 cm11 Mar 2022Downstream Pynkney Hall, Tatterford160988
9.2 cm11 Mar 2022Downstream Pynkney Hall, Tatterford160988
8.6 cm5 Apr 2016Downstream Pynkney Hall, Tatterford148198
8.6 cm5 Apr 2016Downstream Pynkney Hall, Tatterford148198
8.6 cm19 Mar 2013Downstream Pynkney Hall, Tatterford135754

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
Downstream Pynkney Hall, Tatterford19 Mar 201315 Apr 20258
Coxford Abbey Farm9 Mar 200911 Mar 20153

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

2009–2025

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 112 measured fish were spread across different length ranges.

Smallest
4.4 cm
Lower quarter
5.7 cm
Median
6.5 cm
Upper quarter
7.5 cm
Largest
10.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Tat

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

Brown / sea trout 3-spined stickleback Stone loach Brook lamprey 10-spined stickleback

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 →