Bullhead · Cottus gobio

Bullhead in the Blakeney Brook (Blackpool Brook)

Largest measured bullhead: 9.6 cm

The largest bullhead measured in Environment Agency surveys of the Blakeney Brook (Blackpool Brook) was 9.6 cm, recorded at Blakeney on 5 October 1992.

Across 288 measured bullhead, the median measured length was 6.5 cm.

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

See bullhead records across England →

Most recent observation28 August 2024Nether Hall Bridge

Largest measured bullhead: 9.6 cm
Median length: 6.5 cm
Fish measured: 288
Survey locations: 9

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
9.6 cm	5 Oct 1992	Blakeney	24869
9.5 cm	4 Sept 2013	Blakeney u/s of wier	138462
9.4 cm	27 Aug 2014	Nether Hall Bridge	142884
9.4 cm	30 Jul 1991	d/s Wenchford	72696
9.3 cm	5 Oct 1992	Blakeney	24869
9.3 cm	5 Oct 1992	Blakeney	24869
9.2 cm	20 Aug 1996	Blakeney	25070
9.2 cm	5 Oct 1992	Blakeney	24869
8.9 cm	5 Oct 1992	Blakeney	24869
8.9 cm	5 Oct 1992	Blakeney	24869

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
Nether Hall Bridge	31 Jul 1991	28 Aug 2024	13
d/s Wenchford	30 Jul 1991	19 Aug 2024	5
d/s Mallards Pike	30 Jul 1991	19 Aug 2024	3
Blakeney u/s of wier	23 Sept 2003	4 Sept 2013	4
Blakeney d/s weir	23 Sept 2003	23 Sept 2003	1
up and downstream of Blakeney Weir	30 Jul 1991	30 Sept 2002	4
Blackpool Bridge	31 Jul 1991	21 Apr 1998	3
Blakeney	5 Oct 1992	20 Aug 1996	2
Wenchford	27 Nov 1987	27 Nov 1987	1

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

1987–2024

Survey records by year

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

187

088

089

090

591

192

093

094

195

696

097

198

099

000

101

202

203

104

105

106

107

108

009

110

011

112

113

114

015

116

017

118

019

020

121

122

023

324

Fish measured by surveyors

Measured length distribution

See how the 288 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 5.6 cm
Median: 6.5 cm
Upper quarter: 7.2 cm
Largest: 9.6 cm

0–99 mm

288

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Blakeney Brook (Blackpool Brook)

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

Brown / sea trout Atlantic salmon European eel Roach 3-spined stickleback Flounder

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 →