RiverFish

Bullhead · Cottus gobio

Bullhead in the River Nene

Largest measured bullhead: 12 cm

The largest bullhead measured in Environment Agency surveys of the River Nene was 12 cm, recorded at Arthingworth on 30 June 1998.

Across 201 measured bullhead, the median measured length was 7 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 Nene.

See bullhead records across England →

Most recent observation23 October 2018Downstream Warkton bridge
Largest measured bullhead
12 cm
Median length
7 cm
Fish measured
201
Survey locations
30

Individual EA measurements

Largest measured bullhead

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
12 cm30 Jun 1998Arthingworth54406
11 cm14 Jul 1998Downstream Harrowden Weir54417
11 cm30 Jun 1998A6 Desborough54408
11 cm30 Jun 1998Arthingworth54406
11 cm9 Jun 1998Geddington Ford54411
11 cm8 Jun 1998Downstream Warkton bridge54412
10.5 cm16 Jul 1998Wellingborough 254419
10.5 cm15 Jul 1998Finedon Road Bridge54418
10.5 cm14 Jul 1998Downstream Harrowden Weir54417
10.5 cm9 Jul 1998Upstream Harrowden Weir54416

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 surveyedFirst recordedLast recordedVisits finding bullhead
Geddington Ford23 Jan 199223 Oct 20188
Downstream Warkton bridge10 Apr 199523 Oct 201810
Alwalton Backchannel22 Sept 200919 Sept 20182
Castor Mill Channel12 Oct 200918 Sept 20183
Barnwell Back Channel DS Oundle Mill14 Sept 201814 Sept 20181
Cogenhoe Back Channel21 Sept 19934 Jun 20156
Finedon Road Bridge5 Feb 19926 May 20153
Wadenhoe Backchannel21 Sept 200916 Oct 20132
Yarwell Mill Back Channel11 Jun 20076 Jun 20135
Ailsworth BC 117 Jan 201217 Jan 20121
Downstream Hardwater Lock8 Jul 20108 Jul 20101
Stanground Back Channel22 Jun 200921 Jun 20102
Barnwell Back Channel7 Jun 20107 Jun 20101
White Mills Back Channel14 Sept 200914 Sept 20091
Downstream Harrowden Weir4 Feb 19924 May 20065
Wellingborough 216 Jul 199816 Jul 19981
Upstream Harrowden Weir9 Jul 19989 Jul 19981
Arthingworth6 Apr 199530 Jun 19982
A6 Desborough10 Jan 198930 Jun 19983
Rushton11 Jan 198910 Jun 19984
Barford Bridge7 Apr 199510 Jun 19982
Billing Aquadrome4 Oct 19954 Oct 19951
Downstream Clifford Hill lock3 Oct 19953 Oct 19951
Elton Back Channel23 Apr 199523 Apr 19951
Newbottle Bridge4 Jan 19896 Apr 19952
Upstream A4313 Feb 199213 Feb 19921
Ise Brook Cottage31 Jan 199231 Jan 19921
Upstream Wickstead30 Jan 199230 Jan 19921
Fotheringhay15 Feb 198915 Feb 19891
Burton Latimer6 Feb 19896 Feb 19891

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

1989–2018

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 201 measured fish were spread across different length ranges.

Smallest
3 cm
Lower quarter
6 cm
Median
7 cm
Upper quarter
8 cm
Largest
12 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nene

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

Roach Perch Pike Gudgeon Chub Dace

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 →