RiverFish

Bullhead · Cottus gobio

Bullhead in the River R.Ouse tributaries

Largest measured bullhead: 10.1 cm

The largest bullhead measured in Environment Agency surveys of the River R.Ouse tributaries was 10.1 cm, recorded at River Kyle Youlton Lodge on 9 June 2022.

Across 11 measured bullhead, the median measured length was 9 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 R.Ouse tributaries.

See bullhead records across England →

Most recent observation1 July 2024River Kyle Youlton Lodge
Largest measured bullhead
10.1 cm
Median length
9 cm
Fish measured
11
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
10.1 cm9 Jun 2022River Kyle Youlton Lodge162783
9.8 cm9 Jun 2022River Kyle Youlton Lodge162783
9.8 cm15 Jun 2018River Foss at Lilling Green152679
9.3 cm9 Jun 2022River Kyle Youlton Lodge162783
9.2 cm9 Jun 2022River Kyle Youlton Lodge162783
9 cm18 Jun 2010River Kyle at US New Park Beck125747
8.9 cm18 Jun 2010River Kyle at US New Park Beck125747
7.6 cm15 Jun 2018River Foss at Lilling Green152679
7 cm15 Jun 2018River Foss at Lilling Green152679
6.3 cm9 Jun 2022River Kyle Youlton Lodge162783

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
River Kyle Youlton Lodge9 Jun 20221 Jul 20242
River Kyle US Raskelf STW28 Jun 202228 Jun 20221
River Kyle Peep o Day Wood28 Jun 202228 Jun 20221
River Foss at Lilling Green17 Jul 201215 Jun 20182
River Kyle at US New Park Beck18 Jun 201013 Jun 20142

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

2010–2024

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 11 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
7.3 cm
Median
9 cm
Upper quarter
9.6 cm
Largest
10.1 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River R.Ouse tributaries

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

3-spined stickleback Roach Chub Dace Stone loach Gudgeon

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 →