Bullhead · Cottus gobio

Bullhead in the Holme Brook

Largest measured bullhead: 10.8 cm

The largest bullhead measured in Environment Agency surveys of the Holme Brook was 10.8 cm, recorded at Holme Brook, Chesterfield on 21 September 2011.

Across 74 measured bullhead, the median measured length was 6.2 cm.

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

See bullhead records across England →

Most recent observation9 September 2025Downstream Linacre Reservoir

Largest measured bullhead: 10.8 cm
Median length: 6.2 cm
Fish measured: 74
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
10.8 cm	21 Sept 2011	Holme Brook, Chesterfield	128692
10.6 cm	21 Sept 2011	Holme Brook, Chesterfield	128692
9.5 cm	21 Sept 2011	Holme Brook, Chesterfield	128692
9.1 cm	21 Sept 2011	Holme Brook, Chesterfield	128692
8.9 cm	15 Sept 2017	Holme Brook, Chesterfield	151751
8.9 cm	22 Sept 2011	Downstream Linacre Reservoir	129012
8.9 cm	21 Sept 2011	Holme Brook, Chesterfield	128692
8.6 cm	15 Sept 2017	Holme Brook, Chesterfield	151751
8.5 cm	22 Sept 2011	Downstream Linacre Reservoir	129012
8.3 cm	15 Sept 2017	Downstream Linacre Reservoir	151749

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
Downstream Linacre Reservoir	8 Mar 1994	9 Sept 2025	6
Holme Brook, Chesterfield	8 Mar 1994	15 Sept 2017	5

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

1994–2025

Survey records by year

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

294

095

096

097

098

099

000

001

202

003

004

005

206

007

008

009

010

211

012

013

014

015

016

217

018

019

020

021

022

023

024

125

Fish measured by surveyors

Measured length distribution

See how the 74 measured fish were spread across different length ranges.

Smallest: 2.7 cm
Lower quarter: 5.2 cm
Median: 6.2 cm
Upper quarter: 7.3 cm
Largest: 10.8 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Holme Brook

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

Brown / sea trout Perch

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 →