RiverFish

Bullhead · Cottus gobio

Bullhead in the River Maun

Largest measured bullhead: 11.1 cm

The largest bullhead measured in Environment Agency surveys of the River Maun was 11.1 cm, recorded at Maun Valley Park on 8 June 2011.

Across 43 measured bullhead, the median measured length was 8.4 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 Maun.

See bullhead records across England →

Most recent observation9 July 2015Mill Lane · 30 fish
Largest measured bullhead
11.1 cm
Median length
8.4 cm
Fish measured
43
Survey locations
5

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
11.1 cm8 Jun 2011Maun Valley Park126436
11 cm8 Jun 2011Maun Valley Park126436
10.9 cm8 Jun 2011Maun Valley Park126436
10.9 cm8 Jun 2011Maun Valley Park126436
10.4 cm8 Jun 2011Maun Valley Park126436
10.4 cm8 Jun 2011Maun Valley Park126436
10.4 cm8 Jun 2011Maun Valley Park126436
10.2 cm8 Jun 2011Maun Valley Park126436
10.2 cm8 Jun 2011Maun Valley Park126436
10.2 cm8 Jun 2011Maun Valley Park126436

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
Mill Lane9 Jul 20159 Jul 20151
Maun Valley Park8 Jun 20118 Jun 20111
Cavendish Bridge20 May 201120 May 20111
Whitewater Bridge21 Jun 200621 Jun 20061
Houghton11 Jul 200311 Jul 20031

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

2003–2015

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 43 measured fish were spread across different length ranges.

Smallest
3.4 cm
Lower quarter
7.9 cm
Median
8.4 cm
Upper quarter
10.2 cm
Largest
11.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Maun

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

Chub 3-spined stickleback Roach Dace Gudgeon 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 →