RiverFish

Bullhead · Cottus gobio

Bullhead in the Quither Brook

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the Quither Brook was 9 cm, recorded at Chillaton on 6 July 2026.

Across 403 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 Quither Brook.

See bullhead records across England →

Most recent observation6 July 2026Chillaton · 29 fish
Largest measured bullhead
9 cm
Median length
5.5 cm
Fish measured
403
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
9 cm6 Jul 2026Chillaton182133
9 cm6 Jul 2026Chillaton182133
8.8 cm25 Jul 2024Chillaton166910
8.7 cm25 Jul 2024Chillaton166910
8.6 cm25 Jul 2024Chillaton166910
8.5 cm6 Aug 2025Chillaton178930
8.5 cm25 Jul 2024Chillaton166910
8.5 cm3 Jul 2023Chillaton162750
8.4 cm25 Jul 2024Chillaton166910
8.3 cm6 Aug 2025Chillaton178930

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
Chillaton15 Aug 19846 Jul 202616
Quither Brook14 Aug 198412 Sept 20015

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

1984–2026

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 403 measured fish were spread across different length ranges.

Smallest
1 cm
Lower quarter
4.5 cm
Median
5.5 cm
Upper quarter
6.2 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Quither Brook

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

Brown / sea trout Atlantic salmon European eel Brook lamprey

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 →