RiverFish

Bullhead · Cottus gobio

Bullhead in the River Little Silver

Largest measured bullhead: 7.7 cm

The largest bullhead measured in Environment Agency surveys of the River Little Silver was 7.7 cm, recorded at Milltown (Sp) on 31 August 2018.

Across 24 measured bullhead, the median measured length was 4.4 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 Little Silver.

See bullhead records across England →

Most recent observation6 August 2025Whippenscott (Sp) · 5 fish
Largest measured bullhead
7.7 cm
Median length
4.4 cm
Fish measured
24
Survey locations
4

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
7.7 cm31 Aug 2018Milltown (Sp)153484
7 cm30 Aug 2018Whippenscott (Sp)153475
6.4 cm5 Jul 2019Odam Bridge (Te)154726
6.1 cm5 Jul 2019Odam Bridge (Te)154726
5.8 cm5 Jul 2019Odam Bridge (Te)154726
5.5 cm4 Jul 2017Odam Bridge (Te)150816
5.2 cm5 Jul 2019Odam Bridge (Te)154726
5.1 cm4 Jul 2017Odam Bridge (Te)150816
5 cm5 Jul 2019Odam Bridge (Te)154726
4.9 cm5 Jul 2019Odam Bridge (Te)154726

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
Whippenscott (Sp)27 Aug 19966 Aug 20255
Milltown (Sp)27 Aug 199630 Jul 20256
Odam Bridge (Te)27 Aug 199626 Jun 202518
Kempstown (Sp)*21 Aug 199621 Aug 19961

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

1996–2025

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 24 measured fish were spread across different length ranges.

Smallest
2.5 cm
Lower quarter
3.1 cm
Median
4.4 cm
Upper quarter
5.3 cm
Largest
7.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Little Silver

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

Brown / sea trout Minnow Stone loach Atlantic salmon European eel

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 →