RiverFish

Bullhead · Cottus gobio

Bullhead in the River Bray

Largest measured bullhead: 8.7 cm

The largest bullhead measured in Environment Agency surveys of the River Bray was 8.7 cm, recorded at Rock Bridge (Sp) on 12 September 2018.

Across 328 measured bullhead, the median measured length was 5.6 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 Bray.

See bullhead records across England →

Most recent observation12 August 2025Brayley Bridge (Sp) · 45 fish
Largest measured bullhead
8.7 cm
Median length
5.6 cm
Fish measured
328
Survey locations
14

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
8.7 cm12 Sept 2018Rock Bridge (Sp)153488
8.5 cm2 Jul 2019Challacombe Mill (Te)154685
8.5 cm19 Aug 2016Leworthy (Te)149057
8.2 cm19 Jun 2018Leworthy (Te)152712
8.1 cm12 Sept 2018Brayley Bridge (Sp)153553
8.1 cm18 Jul 2017Challacombe Mill (Te)150975
7.9 cm2 Jul 2019Challacombe Mill (Te)154685
7.8 cm18 Jun 2018Challacombe Mill (Te)152713
7.7 cm12 Sept 2018Brayley Bridge (Sp)153553
7.5 cm18 Jun 2018Challacombe Mill (Te)152713

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
Brayley Bridge (Sp)2 Sept 199612 Aug 20256
Meeth (Dip)2 Sept 19964 Aug 20256
Bray Bridge (Dip)2 Sept 19964 Aug 20255
Rock Bridge (Sp)15 Aug 199631 Jul 20256
Leworthy (Te)15 Aug 199617 Jul 202517
Ovis Wood (5 min)25 Sept 202325 Sept 20231
Lydcott Wood (5 min)25 Sept 202325 Sept 20231
Newton Bridge (5 min)19 Sept 202319 Sept 20231
Wallover Barton (5 min)23 Aug 202323 Aug 20231
Brayford Quarry (5 min)11 Aug 202311 Aug 20231
Downstream Brayford Bridge (5 min)18 Jul 202318 Jul 20231
Challacombe Mill (Te)15 Aug 199618 Jul 202318
Challacombe Mill (5 min)18 Jul 202318 Jul 20231
Filleigh Bridge (Dip)*2 Sept 19965 Sept 20124

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

1996–2025

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 328 measured fish were spread across different length ranges.

Smallest
1.7 cm
Lower quarter
3.7 cm
Median
5.6 cm
Upper quarter
6.2 cm
Largest
8.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Bray

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

Atlantic salmon Brown / sea trout European eel 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 →