RiverFish

Bullhead · Cottus gobio

Bullhead in the River St Neot

Largest measured bullhead: 8.5 cm

The largest bullhead measured in Environment Agency surveys of the River St Neot was 8.5 cm, recorded at St. Neot on 17 April 1980.

Across 3,439 measured bullhead, the median measured length was 4.9 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 St Neot.

See bullhead records across England →

Most recent observation9 July 2024Pengelly Bridge · 87 fish
Largest measured bullhead
8.5 cm
Median length
4.9 cm
Fish measured
3,439
Survey locations
11

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
8.5 cm17 Apr 1980St. Neot120920
8.5 cm17 Oct 1977St. Neot120902
8.5 cm17 Oct 1977St. Neot120902
8.3 cm17 Oct 1977St. Neot120902
8.3 cm29 Jun 1977St. Neot118464
8.3 cm17 May 1977St. Neot120914
8.2 cm1 Oct 2021St. Neot160519
8.2 cm4 Sept 2019St. Neot155620
8.2 cm29 Jun 1977St. Neot118464
8.1 cm1 Oct 2021St. Neot160519

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
Pengelly Bridge8 Sept 19829 Jul 202418
St. Neot20 Apr 197721 Sept 202334
Millhouse9 Sept 198229 Sept 201011
Lampen14 Sept 198229 Sept 201015
Pengelly Dip Site 44 Aug 200820 Jul 20092
Holy Well24 Jun 200420 Jul 20093
Pengelly Dip Site 34 Aug 20084 Aug 20081
Pengelly Dip Site 1+24 Aug 20084 Aug 20081
Carnglaze15 Aug 199427 Jun 20067
Pengelly18 Apr 197724 Jun 200422
Treverbyn Lodge6 Nov 20036 Nov 20031

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

1977–2024

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 3,439 measured fish were spread across different length ranges.

Smallest
1.2 cm
Lower quarter
3.5 cm
Median
4.9 cm
Upper quarter
5.9 cm
Largest
8.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River St Neot

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

Brown / sea trout European eel Atlantic salmon Brook lamprey Minnow

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 →