RiverFish

Bullhead · Cottus gobio

Bullhead in the River Gissage

Largest measured bullhead: 7.6 cm

The largest bullhead measured in Environment Agency surveys of the River Gissage was 7.6 cm, recorded at Downstream Blannicombe (Sp) on 8 June 2016.

Across 50 measured bullhead, the median measured length was 4.5 cm.

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

See bullhead records across England →

Most recent observation7 June 2023Downstream Blannicombe (Sp) · 36 fish
Largest measured bullhead
7.6 cm
Median length
4.5 cm
Fish measured
50
Survey locations
2

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
7.6 cm8 Jun 2016Downstream Blannicombe (Sp)148248
7.6 cm8 Jun 2016Downstream Blannicombe (Sp)148248
7.3 cm8 Jun 2016Downstream Blannicombe (Sp)148248
7.1 cm8 Jun 2016Downstream Blannicombe (Sp)148248
7 cm8 Jun 2016Downstream Blannicombe (Sp)148248
6.5 cm8 Jun 2016Downstream Blannicombe (Sp)148248
6.5 cm8 Jun 2016Downstream Blannicombe (Sp)148248
6.2 cm8 Jun 2016Downstream Blannicombe (Sp)148248
6 cm8 Jun 2016Downstream Blannicombe (Sp)148248
5.5 cm8 Jun 2016Downstream Blannicombe (Sp)148248

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
Downstream Blannicombe (Sp)13 Oct 19987 Jun 20235
Downstream Road Bridge (Dip)*27 Jun 200527 Jun 20051

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

1998–2023

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 50 measured fish were spread across different length ranges.

Smallest
3.6 cm
Lower quarter
4.2 cm
Median
4.6 cm
Upper quarter
5.1 cm
Largest
7.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Gissage

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

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 →