RiverFish

Bullhead · Cottus gobio

Bullhead in the Umborne Brook

Largest measured bullhead: 7.9 cm

The largest bullhead measured in Environment Agency surveys of the Umborne Brook was 7.9 cm, recorded at Wilmington (Sp) on 21 June 2016.

Across 200 measured bullhead, the median measured length was 5.3 cm.

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

See bullhead records across England →

Most recent observation10 June 2021Wilmington (Sp) · 50 fish
Largest measured bullhead
7.9 cm
Median length
5.3 cm
Fish measured
200
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
7.9 cm21 Jun 2016Wilmington (Sp)148402
7.6 cm21 Jun 2016Wilmington (Sp)148402
7.5 cm10 Jun 2021Wilmington (Sp)159909
7.5 cm21 Jun 2016Wilmington (Sp)148402
7.4 cm21 Jun 2016Wilmington (Sp)148402
7.3 cm21 Jun 2016Wilmington (Sp)148402
7.2 cm21 Jun 2016Wilmington (Sp)148402
7.1 cm21 Jun 2016Downstream Easy Bridge (Sp)148354
6.9 cm10 Jun 2021Wilmington (Sp)159909
6.9 cm21 Jun 2016Wilmington (Sp)148402

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
Wilmington (Sp)15 Jul 199710 Jun 20218
Downstream Easy Bridge (Sp)4 Aug 199710 Jun 20217
Court Place (Sp)*15 Jul 199731 Jul 20002
Colcombe (Sp)*22 Jul 199722 Jul 19971

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

1997–2021

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 200 measured fish were spread across different length ranges.

Smallest
3.7 cm
Lower quarter
4.8 cm
Median
5.3 cm
Upper quarter
6 cm
Largest
7.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Umborne Brook

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

Brown / sea trout European eel Minnow

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 →