Bullhead · Cottus gobio

Bullhead in the River Roden

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River Roden was 9 cm, recorded at Harcourt Mill on 28 April 2015.

Across 40 measured bullhead, the median measured length was 5.5 cm.

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

See bullhead records across England →

Most recent observation23 May 2023Poynton Green

Largest measured bullhead: 9 cm
Median length: 5.5 cm
Fish measured: 40
Survey locations: 10

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
9 cm	28 Apr 2015	Harcourt Mill	144615
9 cm	28 Apr 2015	Harcourt Mill	144615
8.8 cm	28 Apr 2015	Spenford Bridge	144614
8.5 cm	28 Apr 2015	Harcourt Mill	144615
8.2 cm	28 Apr 2015	Harcourt Mill	144615
7.8 cm	28 Apr 2015	Harcourt Mill	144615
7.5 cm	28 Apr 2015	Harcourt Mill	144615
7.5 cm	28 Apr 2015	Harcourt Mill	144615
7.3 cm	28 Apr 2015	Ercall Mill Bridge	144621
7.3 cm	28 Apr 2015	Spenford Bridge	144614

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
Poynton Green	23 Apr 1992	23 May 2023	11
Spenford Bridge	10 Jun 1997	28 Apr 2015	4
Harcourt Mill	1 Jun 1994	28 Apr 2015	11
Ercall Mill Bridge	28 Apr 2015	28 Apr 2015	1
Thistleford Bridge	22 Apr 1992	19 May 2014	9
Rodington	1 Jun 1994	11 May 2010	6
Tilley	22 Apr 1992	2 May 2006	7
Shawbury Park	13 Jul 2005	13 Jul 2005	1
Morton Mill	10 Jun 1997	1 Jun 2000	2
Ercall Mill	1 Jun 1994	1 Jun 1994	1

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

1992–2023

Survey records by year

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

392

093

694

095

096

797

098

099

500

001

202

403

104

505

506

007

208

209

310

011

112

013

114

315

116

017

018

019

020

021

122

123

Fish measured by surveyors

Measured length distribution

See how the 40 measured fish were spread across different length ranges.

Smallest: 2.5 cm
Lower quarter: 4.8 cm
Median: 5.5 cm
Upper quarter: 7.2 cm
Largest: 9 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Roden

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

Dace Minnow Chub Pike Stone loach 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 →