Bullhead · Cottus gobio

Bullhead in the River Wey Combined

Largest measured bullhead: 8.5 cm

The largest bullhead measured in Environment Agency surveys of the River Wey Combined was 8.5 cm, recorded at Eashing Bridge on 28 June 2023.

Across 10 measured bullhead, the median measured length was 7.4 cm.

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

See bullhead records across England →

Most recent observation7 July 2023Byfleet at Brooklands

Largest measured bullhead: 8.5 cm
Median length: 7.4 cm
Fish measured: 10
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
8.5 cm	28 Jun 2023	Eashing Bridge	162614
7.6 cm	28 Jun 2023	Eashing Bridge	162614
7.6 cm	28 Jun 2023	Eashing Bridge	162614
7.5 cm	28 Jun 2023	Eashing Bridge	162614
7.5 cm	28 Jun 2023	Eashing Bridge	162614
7.3 cm	28 Jun 2023	Eashing Bridge	162614
7.2 cm	28 Jun 2023	Eashing Bridge	162614
6.7 cm	28 Jun 2023	Eashing Bridge	162614
6.1 cm	28 Jun 2023	Eashing Bridge	162614
5.6 cm	28 Jun 2023	Eashing Bridge	162614

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
Byfleet at Brooklands	11 Oct 1989	7 Jul 2023	12
Eashing Bridge	18 Jun 2002	28 Jun 2023	13
Upstream Broadford Bridge	25 Jun 2014	25 Jun 2014	1
Whitmead	12 Jun 2014	12 Jun 2014	1
Newark Priory	1 Jul 2003	29 Jun 2011	8
Millmead Loop	25 May 2004	7 Jul 2009	5
Sutton Place	29 May 2003	16 Jul 2008	5
Unstead Loop	7 May 2002	6 Jun 2007	5
Walsham Loop	16 Jun 2003	17 Jul 2006	4
Broadmead Loop	20 Jun 2002	20 Jun 2002	1

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

1989–2023

Survey records by year

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

189

090

091

092

093

094

095

096

097

098

099

000

001

302

603

704

505

706

507

408

409

310

311

012

013

414

015

016

117

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 10 measured fish were spread across different length ranges.

Smallest: 5.6 cm
Lower quarter: 6.8 cm
Median: 7.4 cm
Upper quarter: 7.6 cm
Largest: 8.5 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wey Combined

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

Perch Roach Pike Dace Bleak 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 →