Bullhead · Cottus gobio

Bullhead in the Watton Brook

Largest measured bullhead: 11.2 cm

The largest bullhead measured in Environment Agency surveys of the Watton Brook was 11.2 cm, recorded at Lt Cressingham on 24 April 2015.

Across 192 measured bullhead, the median measured length was 6.1 cm.

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

See bullhead records across England →

Most recent observation15 May 2024Hopton Farm · 3 fish

Largest measured bullhead: 11.2 cm
Median length: 6.1 cm
Fish measured: 192
Survey locations: 4

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
11.2 cm	24 Apr 2015	Lt Cressingham	144616
10.6 cm	24 Apr 2015	Lt Cressingham	144616
10.3 cm	24 Apr 2015	Lt Cressingham	144616
10.3 cm	25 Feb 2000	Linghills Farm	30223
10 cm	24 Apr 2015	Lt Cressingham	144616
9.9 cm	28 Apr 2015	Hopton Farm	144617
9.8 cm	24 Apr 2015	Lt Cressingham	144616
9.7 cm	24 Apr 2015	Lt Cressingham	144616
9.2 cm	14 May 2024	Lt Cressingham	165459
8.9 cm	28 Apr 2015	Hopton Farm	144617

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
Hopton Farm	15 Feb 2000	15 May 2024	4
Lt Cressingham	17 Feb 2012	14 May 2024	3
Linghills Farm	12 Feb 1990	5 May 2015	6
DS Carbrooke	5 Jan 1993	5 Jan 1993	1

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

1990–2024

Survey records by year

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

190

091

092

293

094

095

096

097

098

099

200

001

002

003

004

005

006

107

008

009

010

011

312

013

014

315

016

017

018

019

020

021

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 192 measured fish were spread across different length ranges.

Smallest: 2.9 cm
Lower quarter: 5.4 cm
Median: 6.1 cm
Upper quarter: 7.1 cm
Largest: 11.2 cm

0–99 mm

187

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Watton Brook

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

Gudgeon Stone loach Dace European eel Brown / sea trout 3-spined stickleback

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 →