RiverFish

Bullhead · Cottus gobio

Bullhead in the River Wensum (Barbel)

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River Wensum (Barbel) was 9 cm, recorded at Downstream Taverham Mill (All species) on 20 September 2013.

Across 186 measured bullhead, the median measured length was 5.4 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 Wensum (Barbel).

See bullhead records across England →

Most recent observation24 September 2013Downstream Costessey point (all species) · 11 fish
Largest measured bullhead
9 cm
Median length
5.4 cm
Fish measured
186
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
9 cm20 Sept 2013Downstream Taverham Mill (All species)139322
8.7 cm19 Aug 2010Lenwade Bridge123955
8.6 cm19 Aug 2010Lenwade Bridge123955
8.5 cm20 Sept 2013Downstream Taverham Mill (All species)139322
8.4 cm20 Sept 2013Downstream Taverham Mill (All species)139322
8.2 cm20 Sept 2013Downstream Taverham Mill (All species)139322
8.2 cm20 Sept 2013Downstream Taverham Mill (All species)139322
8.1 cm12 Sept 2013Downstream Lenwade Bridge (all species)139184
8 cm24 Sept 2013Downstream Costessey point (all species)139347
8 cm20 Sept 2013Downstream Taverham Mill (All species)139322

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 Costessey point (all species)24 Sept 201324 Sept 20131
Downstream Taverham Mill (All species)20 Sept 201320 Sept 20131
Downstream Lenwade Bridge (all species)12 Sept 201312 Sept 20131
Lenwade Bridge19 Aug 201019 Aug 20101

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

2010–2013

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 186 measured fish were spread across different length ranges.

Smallest
1.9 cm
Lower quarter
4.5 cm
Median
5.4 cm
Upper quarter
6.4 cm
Largest
9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Wensum (Barbel)

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

Barbel Pike Brown / sea trout Chub Dace Minnow

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 →