RiverFish

Bullhead · Cottus gobio

Bullhead in the Burn

Largest measured bullhead: 8.5 cm

The largest bullhead measured in Environment Agency surveys of the Burn was 8.5 cm, recorded at Burn Bridge on 3 July 2013.

Across 775 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 Burn.

See bullhead records across England →

Most recent observation1 June 2026Burn Ford · 5 fish
Largest measured bullhead
8.5 cm
Median length
5.5 cm
Fish measured
775
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
8.5 cm3 Jul 2013Burn Bridge136932
8.3 cm26 Jun 2000Burn Ford104417
8.1 cm5 Jun 2013Burn Ford136410
8 cm3 Jul 2013Burn Bridge136932
7.9 cm6 Jun 2019Burn Ford154636
7.9 cm5 Jun 2013Burn Ford136410
7.9 cm5 Jun 2013Burn Ford136410
7.9 cm7 Jul 1999Burn Ford104764
7.8 cm11 Jun 2018Burn Ford153003
7.7 cm11 Jul 2019Burn Bridge155364

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
Burn Ford12 Jul 19831 Jun 202624
Burn Bridge28 Jul 198324 Jul 20258
Downstream Burn Bridge13 Jul 202323 Jul 20242
Lower Burn Ford13 Jul 202325 Jun 20242

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

1983–2026

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 775 measured fish were spread across different length ranges.

Smallest
1.6 cm
Lower quarter
4.7 cm
Median
5.5 cm
Upper quarter
6.4 cm
Largest
8.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Burn

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 →