RiverFish

Bullhead · Cottus gobio

Bullhead in the Main River Yarty

Largest measured bullhead: 8.7 cm

The largest bullhead measured in Environment Agency surveys of the Main River Yarty was 8.7 cm, recorded at Crawley Bridge (Sp) on 23 June 2021.

Across 836 measured bullhead, the median measured length was 5.6 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Main River Yarty.

See bullhead records across England →

Most recent observation12 June 2026Marsh (Te) · 153 fish
Largest measured bullhead
8.7 cm
Median length
5.6 cm
Fish measured
836
Survey locations
12

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
8.7 cm23 Jun 2021Crawley Bridge (Sp)159890
8.4 cm23 Jun 2021Crawley Bridge (Sp)159890
8.2 cm6 Jun 2018Waterhayes (Te)152591
8.1 cm29 May 2018Longbridge*152590
8.1 cm28 Jun 2016Waterhayes (Te)148412
8 cm29 May 2018Longbridge*152590
8 cm6 Jul 2016Longbridge*148372
7.8 cm30 May 2022Marsh (Te)161100
7.8 cm17 Jun 2019Longbridge*154689
7.8 cm6 Jun 2018Waterhayes (Te)152591

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
Marsh (Te)21 Jul 199712 Jun 202619
Bowditch Farm (Te)5 Jun 20255 Jun 20251
Waterhayes (Te)21 Jul 19976 Jun 202416
Middle Westwater (5 min)21 Sept 202322 May 20242
Gammons Hill (5 min)13 Sept 202322 May 20242
Upstream Beckford Bridge (5 min)27 Jul 202317 May 20242
Crab Tree Copse (5 min)21 Sept 202317 May 20242
Longbridge*23 Jul 199711 Jul 202320
Crawley Bridge (Sp)23 Jul 199723 Jun 20216
Bishopswood (Sp)21 Jul 199718 Jun 20218
Gammons Hill (Sp)18 Jul 199723 Jun 20165
Higher Westwater (Sp)*22 Jul 199721 Jun 20043

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

1997–2026

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 836 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
4.9 cm
Median
5.6 cm
Upper quarter
6.2 cm
Largest
8.7 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Main River Yarty

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

Brown / sea trout Stone loach European eel Atlantic salmon Minnow 3-spined stickleback

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 →