Bullhead · Cottus gobio

Bullhead in the Smoker Brook

Largest measured bullhead: 10.1 cm

The largest bullhead measured in Environment Agency surveys of the Smoker Brook was 10.1 cm, recorded at Wnsm10 on 9 June 2004.

Across 56 measured bullhead, the median measured length was 6.8 cm.

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

See bullhead records across England →

Most recent observation17 June 2022Wnsm10

Largest measured bullhead: 10.1 cm
Median length: 6.8 cm
Fish measured: 56
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
10.1 cm	9 Jun 2004	Wnsm10	80233
8.6 cm	9 Jun 2004	Wnsm10	80233
8.6 cm	1 Jun 2004	Wnsm05	80232
8.1 cm	9 Jun 2004	Wnsm10	80233
8 cm	1 Jun 2004	Wnsm05	80232
7.9 cm	9 Jun 2004	Wnsm10	80233
7.8 cm	9 Jun 2004	Wnsm10	80233
7.8 cm	1 Jun 2004	Wnsm05	80232
7.8 cm	1 Jun 2004	Wnsm05	80232
7.7 cm	9 Jun 2004	Wnsm10	80233

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
Wnsm10	4 Jul 2001	17 Jun 2022	5
Wnsm05	4 Jul 2001	1 Jun 2004	2

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

2001–2022

Survey records by year

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

201

002

003

204

005

006

107

008

009

010

111

012

013

014

015

016

017

018

019

020

021

122

Fish measured by surveyors

Measured length distribution

See how the 56 measured fish were spread across different length ranges.

Smallest: 4.6 cm
Lower quarter: 6.1 cm
Median: 6.8 cm
Upper quarter: 7.3 cm
Largest: 10.1 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Smoker Brook

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

Stone loach Chub

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 →