Bullhead · Cottus gobio

Bullhead in the Cam Gill Beck

Largest measured bullhead: 8.8 cm

The largest bullhead measured in Environment Agency surveys of the Cam Gill Beck was 8.8 cm, recorded at Starbotton on 31 August 2016.

Across 171 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 Cam Gill Beck.

See bullhead records across England →

Most recent observation28 August 2024Starbotton

Largest measured bullhead: 8.8 cm
Median length: 5.6 cm
Fish measured: 171
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
8.8 cm	31 Aug 2016	Starbotton	149119
8.7 cm	30 Jul 2014	Starbotton	142181
8.2 cm	31 Aug 2016	Starbotton	149119
8.2 cm	30 Jul 2014	Starbotton	142181
8 cm	11 Oct 2018	Starbotton	153816
7.9 cm	15 Aug 2011	Starbotton	129151
7.9 cm	15 Aug 2011	Starbotton	129151
7.8 cm	29 Aug 2013	Starbotton	138464
7.7 cm	31 Aug 2016	Starbotton	149119
7.7 cm	15 Aug 2011	Starbotton	129151

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
Starbotton	2 Oct 2002	28 Aug 2024	16

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

2002–2024

Survey records by year

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

102

103

104

005

106

107

108

109

110

211

012

113

114

015

116

017

118

019

020

021

122

023

124

Fish measured by surveyors

Measured length distribution

See how the 171 measured fish were spread across different length ranges.

Smallest: 1.9 cm
Lower quarter: 3.4 cm
Median: 5.6 cm
Upper quarter: 6.9 cm
Largest: 8.8 cm

0–99 mm

171

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Cam Gill Beck

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

Brown / sea trout Stone loach

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 →