Bullhead · Cottus gobio

Bullhead in the Caudworthy Water

Largest measured bullhead: 8.3 cm

The largest bullhead measured in Environment Agency surveys of the Caudworthy Water was 8.3 cm, recorded at South Wheatly on 1 September 2015.

Across 170 measured bullhead, the median measured length was 5.2 cm.

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

See bullhead records across England →

Most recent observation16 June 2021Caudworthy · 29 fish

Largest measured bullhead: 8.3 cm
Median length: 5.2 cm
Fish measured: 170
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.

Length	Survey date	Survey location	Survey ID
8.3 cm	1 Sept 2015	South Wheatly	146269
8.2 cm	16 Jun 2021	Caudworthy	160696
7.8 cm	1 Sept 2015	South Wheatly	146269
7.5 cm	23 Jun 2015	Caudworthy	145146
7.1 cm	23 Jun 2015	Caudworthy	145146
7 cm	1 Sept 2015	South Wheatly	146269
7 cm	23 Jun 2015	Caudworthy	145146
6.9 cm	1 Sept 2015	South Wheatly	146269
6.9 cm	23 Jun 2015	Caudworthy	145146
6.8 cm	1 Sept 2015	South Wheatly	146269

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
Caudworthy	26 Jul 1984	16 Jun 2021	6
South Wheatly	5 Aug 1993	1 Sept 2015	3

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

1984–2021

Survey records by year

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

184

085

086

087

088

089

090

091

092

193

094

095

296

097

098

099

000

001

002

103

004

005

006

007

008

109

010

011

012

013

014

215

016

017

018

019

020

121

Fish measured by surveyors

Measured length distribution

See how the 170 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 4.6 cm
Median: 5.2 cm
Upper quarter: 5.8 cm
Largest: 8.3 cm

0–99 mm

170

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Caudworthy Water

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

Atlantic salmon Brown / sea trout Minnow 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 →