RiverFish

Bullhead · Cottus gobio

Bullhead in the Hennard Stream

Largest measured bullhead: 6.5 cm

The largest bullhead measured in Environment Agency surveys of the Hennard Stream was 6.5 cm, recorded at Witherdon Wood on 27 August 2015.

Across 37 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 Hennard Stream.

See bullhead records across England →

Most recent observation27 August 2015Witherdon Wood · 37 fish
Largest measured bullhead
6.5 cm
Median length
4.8 cm
Fish measured
37
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
6.5 cm27 Aug 2015Witherdon Wood146499
6.5 cm27 Aug 2015Witherdon Wood146499
6.4 cm27 Aug 2015Witherdon Wood146499
6.4 cm27 Aug 2015Witherdon Wood146499
6.1 cm27 Aug 2015Witherdon Wood146499
5.8 cm27 Aug 2015Witherdon Wood146499
5.7 cm27 Aug 2015Witherdon Wood146499
5.6 cm27 Aug 2015Witherdon Wood146499
5.6 cm27 Aug 2015Witherdon Wood146499
5.3 cm27 Aug 2015Witherdon Wood146499

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
Witherdon Wood27 Aug 201527 Aug 20151
Hennard Stream3 Aug 199928 Jul 20084

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

1999–2015

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 37 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
4.1 cm
Median
4.8 cm
Upper quarter
5.3 cm
Largest
6.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Hennard Stream

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 →