RiverFish

Bullhead · Cottus gobio

Bullhead in the Wellow Brook

Largest measured bullhead: 9.9 cm

The largest bullhead measured in Environment Agency surveys of the Wellow Brook was 9.9 cm, recorded at White Bridge on 9 May 2018.

Across 1,260 measured bullhead, the median measured length was 5.9 cm.

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

See bullhead records across England →

Most recent observation2 July 2024Paglinch Farm
Largest measured bullhead
9.9 cm
Median length
5.9 cm
Fish measured
1,260
Survey locations
6

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
9.9 cm9 May 2018White Bridge152515
9.9 cm9 May 2018White Bridge152515
9.9 cm16 Apr 2013Welton (Se-04)135860
9.7 cm9 May 2018White Bridge152515
9.5 cm9 May 2018Welton (Se-04)152516
9.5 cm9 May 2018White Bridge152515
9.5 cm16 Apr 2013Welton (Se-04)135860
9.4 cm9 May 2018White Bridge152515
9.2 cm16 Apr 2013Welton (Se-04)135860
9.2 cm17 May 2011Welton (Se-04)126244

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
Paglinch Farm16 Apr 20132 Jul 20244
Welton (Se-04)14 Apr 200418 Jun 20247
Mill Hill22 Aug 201213 Jun 20245
White Bridge17 May 20119 May 20182
Greenacres16 Apr 201316 Apr 20142
Stony Littleton20 Sept 200120 Sept 20011

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

2001–2024

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 1,260 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
5.1 cm
Median
5.9 cm
Upper quarter
6.8 cm
Largest
9.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Wellow Brook

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

Brown / sea trout European eel 3-spined stickleback 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 →