Bullhead · Cottus gobio

Bullhead in the Whiddon Brook

Largest measured bullhead: 7.5 cm

The largest bullhead measured in Environment Agency surveys of the Whiddon Brook was 7.5 cm, recorded at Forder (Sp) on 24 June 2019.

Across 13 measured bullhead, the median measured length was 5.4 cm.

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

See bullhead records across England →

Most recent observation24 June 2019Forder (Sp) · 13 fish

Largest measured bullhead: 7.5 cm
Median length: 5.4 cm
Fish measured: 13
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
7.5 cm	24 Jun 2019	Forder (Sp)	154634
7.4 cm	24 Jun 2019	Forder (Sp)	154634
6.9 cm	24 Jun 2019	Forder (Sp)	154634
6 cm	24 Jun 2019	Forder (Sp)	154634
5.5 cm	24 Jun 2019	Forder (Sp)	154634
5.4 cm	24 Jun 2019	Forder (Sp)	154634
5.4 cm	24 Jun 2019	Forder (Sp)	154634
5.3 cm	24 Jun 2019	Forder (Sp)	154634
5.1 cm	24 Jun 2019	Forder (Sp)	154634
5 cm	24 Jun 2019	Forder (Sp)	154634

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
Forder (Sp)	1 Jul 1996	24 Jun 2019	6

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

1996–2019

Survey records by year

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

196

097

098

199

000

001

102

003

004

005

006

007

108

009

010

011

012

013

114

015

016

017

018

119

Fish measured by surveyors

Measured length distribution

See how the 13 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 5 cm
Median: 5.4 cm
Upper quarter: 6 cm
Largest: 7.5 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Whiddon Brook

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

Atlantic salmon Brown / sea trout European eel

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 →