Bullhead · Cottus gobio

Bullhead in the Sutherland Beck

Largest measured bullhead: 8.2 cm

The largest bullhead measured in Environment Agency surveys of the Sutherland Beck was 8.2 cm, recorded at Keldy Bridge on 6 September 2012.

Across 35 measured bullhead, the median measured length was 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 Sutherland Beck.

See bullhead records across England →

Most recent observation17 September 2024Keldy Bridge

Largest measured bullhead: 8.2 cm
Median length: 6 cm
Fish measured: 35
Survey locations: 1

Individual EA measurements

Largest measured bullhead

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
8.2 cm	6 Sept 2012	Keldy Bridge	133506
7.8 cm	6 Sept 2012	Keldy Bridge	133506
7.4 cm	23 Aug 2018	Keldy Bridge	153209
7.1 cm	6 Sept 2012	Keldy Bridge	133506
7.1 cm	8 Aug 2011	Keldy Bridge	127965
6.9 cm	8 Aug 2011	Keldy Bridge	127965
6.5 cm	23 Aug 2018	Keldy Bridge	153209
6.5 cm	6 Sept 2012	Keldy Bridge	133506
6.4 cm	6 Sept 2012	Keldy Bridge	133506
6.4 cm	8 Aug 2011	Keldy Bridge	127965

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 surveyed	First recorded	Last recorded	Visits finding bullhead
Keldy Bridge	26 Jun 2006	17 Sept 2024	5

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

2006–2024

Survey records by year

Each bar shows how many survey visits recorded bullhead that year.

106

007

008

009

010

111

112

013

014

015

016

017

118

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 35 measured fish were spread across different length ranges.

Smallest: 2.5 cm
Lower quarter: 5 cm
Median: 6 cm
Upper quarter: 6.4 cm
Largest: 8.2 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sutherland Beck

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

Brown / sea trout

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 →