RiverFish

Bullhead · Cottus gobio

Bullhead in the River Lymn Tributary Sites

Largest measured bullhead: 11.3 cm

The largest bullhead measured in Environment Agency surveys of the River Lymn Tributary Sites was 11.3 cm, recorded at Upstream Stainsby on 21 November 1995.

Across 169 measured bullhead, the median measured length was 6 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 Lymn Tributary Sites.

See bullhead records across England →

Most recent observation23 November 1995Lady Waith Beck · 10 fish
Largest measured bullhead
11.3 cm
Median length
6 cm
Fish measured
169
Survey locations
9

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
11.3 cm21 Nov 1995Upstream Stainsby69944
9.9 cm22 Nov 1995Partney69947
9.7 cm22 Nov 1995Partney69947
9.7 cm22 Nov 1995Partney69947
9.6 cm21 Nov 1995Upstream Stainsby69944
9.1 cm22 Nov 1995Raithby Bridge69945
9.1 cm21 Nov 1995Upstream Stainsby69944
9 cm21 Nov 1995Salmonby69943
8.3 cm22 Nov 1995Raithby Bridge69945
8.3 cm21 Nov 1995Salmonby69943

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
Skendleby23 Nov 199523 Nov 19951
Monksthorpe23 Nov 199523 Nov 19951
Lady Waith Beck23 Nov 199523 Nov 19951
Raithby Bridge22 Nov 199522 Nov 19951
Partney22 Nov 199522 Nov 19951
Langton22 Nov 199522 Nov 19951
Upstream Stainsby21 Nov 199521 Nov 19951
Somersby21 Nov 199521 Nov 19951
Salmonby21 Nov 199521 Nov 19951

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

1995–1995

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 169 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
4.6 cm
Median
6 cm
Upper quarter
7.1 cm
Largest
11.3 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Lymn Tributary Sites

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

Brown / sea trout 3-spined stickleback Stone loach

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 →