Bullhead · Cottus gobio

Bullhead in the River Nadder

Largest measured bullhead: 8.2 cm

The largest bullhead measured in Environment Agency surveys of the River Nadder was 8.2 cm, recorded at Burcombe Weir on 27 September 2011.

Across 121 measured bullhead, the median measured length was 4.8 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 Nadder.

See bullhead records across England →

Most recent observation30 July 2025Catherines Ford
Largest measured bullhead
8.2 cm
Median length
4.8 cm
Fish measured
121
Survey locations
25

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
8.2 cm27 Sept 2011Burcombe Weir128574
7.6 cm17 Sept 2014d/s 14 Hatches142885
7.2 cm17 Sept 2014d/s 14 Hatches142885
6.8 cm9 Jun 2011Wardour126447
6.6 cm27 Sept 2011Burcombe Weir128574
6.4 cm17 Sept 2014d/s 14 Hatches142885
6.4 cm17 Sept 2014d/s 14 Hatches142885
6.3 cm27 Sept 2011Burcombe Weir128574
6.3 cm27 Sept 2011Burcombe Weir128574
6.2 cm17 Sept 2014d/s 14 Hatches142885

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
Catherines Ford12 Oct 200430 Jul 202513
u/s Ugford Hatches30 Sept 200419 Sept 20249
d/s 14 Hatches16 Sept 200824 Jul 20247
Priory Farm Pool28 Sept 200424 Jul 202410
Panters bridge19 Oct 201124 Jul 20244
Burcombe Weir27 Sept 201124 Jul 20248
d/s Horseshoe Bridge12 Oct 200426 Jun 20236
d/s Catherines ford17 Oct 201126 Jun 20232
Wilton House Grounds26 Jun 202326 Jun 20231
Upstream Coleman's Farmhouse26 Jun 202326 Jun 20231
Upstream Burcombe Weir26 Jun 202326 Jun 20231
Dinton12 Oct 201126 Jun 20232
Bemerton School26 Jun 202326 Jun 20231
u/s Wilton Park16 Sept 200817 Aug 20213
u/s Churchfields Ind. Est.8 Sept 200417 Aug 20213
d/s Harnham Mill8 Sept 200417 Aug 20216
Park Gate Farm20 Oct 201620 Oct 20161
Upstream Hurdcott Middle Bridge17 Sept 201417 Sept 20141
Hurdcott u/s victorian sluice gates8 Oct 20138 Oct 20131
Barford27 Sept 201123 Oct 20122
Railway Bridge19 Oct 201119 Oct 20111
Hurdcott Middle Bridge9 Sept 20045 Oct 20112
Bull Bridge16 Sept 201116 Sept 20111
Wardour19 Jun 20039 Jun 20112
Burcombe Bridge30 Sept 200417 Sept 20082

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

2003–2025

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 121 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
3.9 cm
Median
4.8 cm
Upper quarter
5.5 cm
Largest
8.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nadder

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

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 →