RiverFish

Bullhead · Cottus gobio

Bullhead in the River Pant (Main Reaches)

Largest measured bullhead: 11.1 cm

The largest bullhead measured in Environment Agency surveys of the River Pant (Main Reaches) was 11.1 cm, recorded at Ashwell Hall on 5 February 1987.

Across 702 measured bullhead, the median measured length was 5.7 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 Pant (Main Reaches).

See bullhead records across England →

Most recent observation24 October 2023Little Farm · 12 fish
Largest measured bullhead
11.1 cm
Median length
5.7 cm
Fish measured
702
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
11.1 cm5 Feb 1987Ashwell Hall14080
10.9 cm28 Jan 1987Little Farm14083
10 cm5 Feb 1987Ashwell Hall14080
10 cm28 Jan 1987Little Farm14083
9.9 cm28 Jan 1987Little Farm14083
9.6 cm22 Aug 2008Ashwell Hall113408
9.4 cm27 Aug 2008Robjohns Farm113576
9.3 cm12 Aug 2002Great Sampford Downstream61460
9.3 cm28 Jan 1987Little Farm14083
9 cm2 Aug 1999Great Sampford Downstream14214

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
Little Farm19 Jun 198424 Oct 202313
Robjohns Farm16 Jul 199614 Sept 20239
Bovington Hall9 Jul 19846 Sept 202310
Goldsticks Farm12 Aug 200518 Aug 20237
Iron Bridge (River Pant)9 Feb 198710 Aug 20236
Wethersfield Mill14 Aug 20149 Aug 20233
Ashwell Hall5 Feb 198722 Aug 20084
Gambers Hall8 Aug 200213 Aug 20083
Petches Bridge3 Sept 200211 Aug 20083
Great Sampford Downstream4 Jul 19965 Aug 20085
Courtaulds Mill18 Aug 20051 Aug 20082

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

1984–2023

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 702 measured fish were spread across different length ranges.

Smallest
2.3 cm
Lower quarter
4.8 cm
Median
5.7 cm
Upper quarter
6.7 cm
Largest
11.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Pant (Main Reaches)

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

Dace Roach Minnow Chub Gudgeon Brown / sea trout

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 →