RiverFish

Bullhead · Cottus gobio

Bullhead in the River Yare

Largest measured bullhead: 12.2 cm

The largest bullhead measured in Environment Agency surveys of the River Yare was 12.2 cm, recorded at Upstream Bickerstone Bridge on 25 May 1999.

Across 697 measured bullhead, the median measured length was 5.9 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 Yare.

See bullhead records across England →

Most recent observation17 August 2023Uea · 2 fish
Largest measured bullhead
12.2 cm
Median length
5.9 cm
Fish measured
697
Survey locations
15

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
12.2 cm25 May 1999Upstream Bickerstone Bridge17793
10.2 cm22 Jun 1999Coston17791
10 cm12 Jun 2014Upstream Barnham Broom141751
10 cm22 Jun 1999Coston17791
10 cm28 May 1992Upstream Bickerstone Bridge17466
9.7 cm17 Mar 1987Upstream Bickerstone Bridge17451
9.6 cm22 Jun 1999Coston17791
9.5 cm3 Jun 2005Colney Lane84795
9.5 cm5 Jul 2002Upstream Bickerstone Bridge64765
9.5 cm28 May 1992Upstream Bickerstone Bridge17466

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
Uea4 May 199917 Aug 20234
Upstream Barnham Broom24 May 19998 Aug 20236
Downstream Bawburgh Bridge19 Feb 19872 Aug 20236
Marlingford11 Mar 19874 Nov 20207
Cooper Lane10 Feb 198718 Aug 20174
Upstream Barford Bridge14 Jun 199918 Jul 20144
Colney Lane3 Jun 20053 Jun 20051
Marston Lane11 Feb 19871 Jun 20053
Coston22 Jun 199916 Jul 20022
Upstream Bickerstone Bridge17 Mar 19875 Jul 20025
Downstream Barford Bridge24 Jun 199924 Jun 19991
Algarsthorpe Farm23 Jun 199923 Jun 19991
Upstream Colton Bridge21 Aug 199511 Jun 19992
Bowthorpe16 Feb 198716 Feb 19871
Upstream Cringleford Bridge13 Feb 198713 Feb 19871

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

1987–2023

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 697 measured fish were spread across different length ranges.

Smallest
2.1 cm
Lower quarter
5 cm
Median
5.9 cm
Upper quarter
6.9 cm
Largest
12.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Yare

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

Pike European eel Roach Dace Chub Perch

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 →