RiverFish

Bullhead · Cottus gobio

Bullhead in the Gatwick Stream

Largest measured bullhead: 10.4 cm

The largest bullhead measured in Environment Agency surveys of the Gatwick Stream was 10.4 cm, recorded at Balcombe Rd ds Bridge on 12 October 2021.

Across 499 measured bullhead, the median measured length was 5.5 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Gatwick Stream.

See bullhead records across England →

Most recent observation8 August 2024Riverside Gardens · 34 fish
Largest measured bullhead
10.4 cm
Median length
5.5 cm
Fish measured
499
Survey locations
10

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
10.4 cm12 Oct 2021Balcombe Rd ds Bridge160790
10 cm8 Aug 2024Riverside Gardens166584
9.9 cm12 Oct 2021Balcombe Rd ds Bridge160790
9.8 cm8 Aug 2024Riverside Gardens166584
9.5 cm8 Aug 2024Riverside Gardens166584
9.4 cm12 Oct 2021Balcombe Rd ds Bridge160790
9.4 cm12 Oct 2016Woodland u/s Retention Dam149742
9.3 cm17 Oct 2019Oaken Wood d/s Foot Bridge155805
9.2 cm9 Oct 2019Grattons Park by St Marys Drive155806
9.2 cm12 Oct 2016Retention Dam u/s M23149734

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
Riverside Gardens17 Oct 20068 Aug 20245
Grattons Park by St Marys Drive4 May 20064 May 20233
Worth Wood u/s Pylon12 Oct 201618 Nov 20212
Woodland u/s Retention Dam12 Oct 201618 Nov 20212
Oaken Wood d/s Foot Bridge13 Oct 201618 Nov 20213
Balcombe Rd ds Bridge13 Oct 201612 Oct 20213
Forge Farm, Tinsley Green17 Jul 19862 Oct 20194
Retention Dam u/s M2312 Oct 201612 Oct 20161
Upstream of M2311 May 200611 May 20061
Grattons Park Downstream of weir4 May 20064 May 20061

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

1986–2024

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 499 measured fish were spread across different length ranges.

Smallest
2.4 cm
Lower quarter
4.1 cm
Median
5.5 cm
Upper quarter
6.6 cm
Largest
10.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Gatwick Stream

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

Brown / sea trout Perch Chub Dace Gudgeon Roach

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 →