Bullhead · Cottus gobio

Bullhead in the River Stiffkey

Largest measured bullhead: 11.2 cm

The largest bullhead measured in Environment Agency surveys of the River Stiffkey was 11.2 cm, recorded at Warham on 28 April 2011.

Across 3,827 measured bullhead, the median measured length was 5.7 cm.

Surveyors recorded weights for 224 bullhead. The median was 0.1 oz (0.0023 kg) and the largest recorded weight was 0.5 oz (0.0131 kg).

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

See bullhead records across England →

Most recent observation1 May 2026Upstream Home Farm · 31 fish

Largest measured bullhead: 11.2 cm
Median length: 5.7 cm
Fish measured: 3,827
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
11.2 cm	28 Apr 2011	Warham	126492
10.4 cm	27 Feb 1992	Warham	16868
10.2 cm	15 Oct 2009	Downstream Wighton Bridge	119556
10.2 cm	2 May 2007	Downstream Wighton Bridge	105279
10 cm	18 Jun 2008	Warham	115617
9.7 cm	9 Apr 2014	Upstream Home Farm	140833
9.7 cm	16 Sept 2009	Upstream Home Farm	119565
9.7 cm	12 Mar 2003	Little Wood, Fulmodeston	90795
9.6 cm	9 Apr 2014	Upstream Home Farm	140833
9.6 cm	18 Jun 2008	Warham	115617

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
Upstream Home Farm	18 Apr 2000	1 May 2026	9
Downstream Wighton Bridge	18 Apr 1988	30 Apr 2026	12
East Barsham	20 Apr 2007	23 Apr 2026	7
Warham	27 Feb 1992	22 Apr 2026	10
Upstream Little Walsingham	24 Apr 2007	10 Apr 2026	7
Great Walsingham	27 Oct 2009	8 Apr 2026	7
Wrights Carr (u/s), Great Walsingham	18 Mar 2003	26 Feb 2014	3
Little Wood, Fulmodeston	12 Mar 2003	11 Apr 2008	2
Langham Bridge (u/s)	10 Apr 2008	10 Apr 2008	1
Bridge Marsh Plantation (d/s)	26 Mar 2003	9 Apr 2008	2
Wood Farm Embankment (ds)	10 Mar 2003	8 Apr 2008	2
Walsingham Rd (B1388)	18 Mar 2003	18 Mar 2003	1
Hall Farm, Great Walsingham	18 Mar 2003	18 Mar 2003	1
Wades Beck Bridge	17 Mar 2003	17 Mar 2003	1
Lower Grange Farm southeast track	12 Mar 2003	12 Mar 2003	1
Fulmodeston Bridge	11 Mar 2003	12 Mar 2003	2
Great Snoring	11 Apr 2000	11 Apr 2000	1
Cockthorpe Common	6 Apr 2000	6 Apr 2000	1

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

1988–2026

Survey records by year

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

188

089

090

091

292

093

094

195

096

097

098

099

500

001

002

1003

004

005

006

507

1008

409

010

611

012

013

714

015

016

617

018

019

020

221

022

523

024

025

626

Fish measured by surveyors

Measured length distribution

See how the 3,827 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 4.8 cm
Median: 5.7 cm
Upper quarter: 6.7 cm
Largest: 11.2 cm

0–99 mm

3822

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 224 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.0002 kg)
Lower quarter: 0 oz (0.0014 kg)
Median: 0.1 oz (0.0023 kg)
Upper quarter: 0.1 oz (0.004 kg)
Heaviest: 0.5 oz (0.0131 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River Stiffkey

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

Brown / sea trout European eel Stone loach 3-spined stickleback Brook lamprey Gudgeon

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 →