RiverFish

Bullhead · Cottus gobio

Bullhead in the River East Looe

Largest measured bullhead: 8.2 cm

The largest bullhead measured in Environment Agency surveys of the River East Looe was 8.2 cm, recorded at Trussel Bridge on 9 July 2015.

Across 950 measured bullhead, the median measured length was 5.1 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 East Looe.

See bullhead records across England →

Most recent observation15 June 2026Trussel Bridge · 1 fish
Largest measured bullhead
8.2 cm
Median length
5.1 cm
Fish measured
950
Survey locations
8

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
8.2 cm9 Jul 2015Trussel Bridge145376
8 cm14 Aug 2014u/s Land Looe142255
7.8 cm22 Jun 2018Trussel Bridge153047
7.6 cm15 Jun 2022Trussel Bridge161693
7.6 cm15 Jun 2021Trussel Bridge160650
7.6 cm19 Aug 2014Coombe Junction142364
7.5 cm15 Jun 2022Trussel Bridge161693
7.5 cm24 Jun 2016Trussel Bridge148334
7.5 cm19 Aug 2014Coombe Junction142364
7.4 cm19 Aug 2014Highwood142365

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
Trussel Bridge30 Aug 199415 Jun 202625
Highwood16 Aug 199419 Aug 20145
Coombe Junction22 Aug 199419 Aug 20145
u/s Land Looe24 Sept 200814 Aug 20142
Land Looe7 Sept 199412 Aug 20022
Landreast6 Sept 199411 Aug 20022
Moorswater22 Aug 199422 Aug 19941
Looe Mills22 Aug 199422 Aug 19941

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

1994–2026

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 950 measured fish were spread across different length ranges.

Smallest
1.8 cm
Lower quarter
3.3 cm
Median
5.1 cm
Upper quarter
5.7 cm
Largest
8.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River East Looe

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

Brown / sea trout European eel Atlantic salmon 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 →