Bullhead · Cottus gobio

Bullhead in the River Wid (Main Reaches)

Largest measured bullhead: 9.3 cm

The largest bullhead measured in Environment Agency surveys of the River Wid (Main Reaches) was 9.3 cm, recorded at Mountnessing Hall on 31 October 2013.

Across 83 measured bullhead, the median measured length was 6.1 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 Wid (Main Reaches).

See bullhead records across England →

Most recent observation27 October 2017Ingatestone STW · 2 fish

Largest measured bullhead: 9.3 cm
Median length: 6.1 cm
Fish measured: 83
Survey locations: 6

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
9.3 cm	31 Oct 2013	Mountnessing Hall	140194
9 cm	11 Feb 1999	Fitzwalters	14576
8.5 cm	23 Oct 2017	Mountnessing Hall	152373
8.5 cm	31 Oct 2013	Mountnessing Hall	140194
8.5 cm	11 Feb 1999	Fitzwalters	14576
8.4 cm	26 Nov 2007	Mountnessing Hall	108703
8.2 cm	7 Nov 2014	Buttsbury Ford	143982
8.1 cm	23 Oct 2017	Mountnessing Hall	152373
8.1 cm	23 Oct 2017	Mountnessing Hall	152373
7.9 cm	12 Mar 2002	Can Confluence	25268

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
Ingatestone STW	27 Oct 2017	27 Oct 2017	1
Buttsbury Ford	7 Nov 2014	24 Oct 2017	2
Mountnessing Hall	26 Nov 2007	23 Oct 2017	3
Can Confluence	12 Mar 2002	3 Oct 2013	3
Chain Bridge	29 Apr 2002	29 Apr 2002	1
Fitzwalters	11 Feb 1999	8 Jan 2002	2

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

1999–2017

Survey records by year

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

199

000

001

302

003

004

005

006

207

008

009

010

011

012

213

114

015

016

317

Fish measured by surveyors

Measured length distribution

See how the 83 measured fish were spread across different length ranges.

Smallest: 3.7 cm
Lower quarter: 5.3 cm
Median: 6.1 cm
Upper quarter: 7.1 cm
Largest: 9.3 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wid (Main Reaches)

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

Chub Roach Gudgeon Dace Minnow 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 →