Bullhead · Cottus gobio

Bullhead in the Bow Brook

Largest measured bullhead: 8.6 cm

The largest bullhead measured in Environment Agency surveys of the Bow Brook was 8.6 cm, recorded at Priest Bridge on 13 June 1994.

Across 193 measured bullhead, the median measured length was 5.2 cm.

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

See bullhead records across England →

Most recent observation6 August 2024Elcocks Brook

Largest measured bullhead: 8.6 cm
Median length: 5.2 cm
Fish measured: 193
Survey locations: 18

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
8.6 cm	13 Jun 1994	Priest Bridge	77377
8.5 cm	24 Jul 1990	Priest Bridge	77496
8.4 cm	19 May 1999	Upper Bentley Ford	51999
8.3 cm	24 Jul 1990	Priest Bridge	77496
8.2 cm	16 Jun 1999	Priest Bridge	72381
8.2 cm	24 Jul 1990	Priest Bridge	77496
8.1 cm	8 Jun 1994	Edwards Bridge	73231
8 cm	16 Jun 1999	Himbleton	72979
8 cm	24 Jul 1990	Priest Bridge	77496
7.8 cm	8 Jun 1994	u/s A422 Upton Snodsbury	81934

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
Elcocks Brook	15 Jun 1990	6 Aug 2024	8
Edwards Bridge	17 Jul 1990	26 May 2017	8
Beanhall Mill Farm	24 Jul 1990	17 Sept 2013	6
DS Ufnell Bridge	4 Jul 2013	4 Jul 2013	1
Walcott Ford	7 Jun 1994	3 Jul 2013	3
Letts MIll Ford	24 Jul 1990	26 Jul 2012	5
Himbleton	18 Jul 1990	10 Jun 2011	4
Besford Bridge	16 Jul 1990	26 May 2011	4
Old Yarr Bridge	25 Jul 1990	12 Oct 2006	5
Priest Bridge	24 Jul 1990	22 Aug 2006	4
Ham Green	22 Aug 2006	22 Aug 2006	1
Peopleton Ford	17 Jul 1990	18 May 2004	4
Feckenham u/s STW outfall	19 Aug 2002	19 Aug 2002	1
Shell Ford	16 Jun 1999	16 Jun 1999	1
Upper Bentley Ford	25 Jul 1990	19 May 1999	3
Bow Wood, Crowle, u/s WRW discharge	17 Jul 1990	13 Jun 1994	2
Bow Wood, Crowle, d/s WRW discharge	7 Jul 1990	13 Jun 1994	2
u/s A422 Upton Snodsbury	8 Jun 1994	8 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.

1990–2024

Survey records by year

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

1390

091

092

093

1494

095

096

097

098

1099

000

001

302

003

204

405

506

007

108

009

010

311

112

513

014

015

016

117

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 193 measured fish were spread across different length ranges.

Smallest: 1.2 cm
Lower quarter: 4.1 cm
Median: 5.2 cm
Upper quarter: 6.5 cm
Largest: 8.6 cm

0–99 mm

193

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Bow Brook

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

Stone loach Minnow European eel Roach Dace Pike

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 →