RiverFish

Bullhead · Cottus gobio

Bullhead in the River Rye

Largest measured bullhead: 9.2 cm

The largest bullhead measured in Environment Agency surveys of the River Rye was 9.2 cm, recorded at R.Rye, d/s of Church Bridge. DERBT38 on 23 August 2012.

Across 680 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 Rye.

See bullhead records across England →

Most recent observation20 August 2025R.Rye at Nunnington
Largest measured bullhead
9.2 cm
Median length
5.9 cm
Fish measured
680
Survey locations
11

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
9.2 cm23 Aug 2012R.Rye, d/s of Church Bridge. DERBT38133119
9 cm11 Sept 2014R.Rye, d/s of Church Bridge. DERBT38142769
8.8 cm27 Aug 2013R.Rye, d/s of Church Bridge. DERBT38138466
8.7 cm16 Sept 2021R.Rye, d/s of Church Bridge. DERBT38160259
8.7 cm16 Sept 2021R.Rye, d/s of Church Bridge. DERBT38160259
8.7 cm30 Aug 2016R.Rye, d/s of Church Bridge. DERBT38149124
8.7 cm11 Sept 2014R.Rye, d/s of Church Bridge. DERBT38142769
8.7 cm27 Aug 2013R.Rye, d/s of Church Bridge. DERBT38138466
8.7 cm27 Aug 2013R.Rye, d/s of Church Bridge. DERBT38138466
8.6 cm27 Aug 2013R.Rye, d/s of Church Bridge. DERBT38138466

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
R.Rye at Nunnington17 Sept 199720 Aug 202510
R.Rye at Shaken bdg23 Aug 201211 Sept 20242
R.Rye, d/s of Church Bridge. DERBT3818 Sept 20025 Sept 202416
R.Rye at Butterwick17 Sept 19973 Sept 20244
R. Rye at Duncombe Park above Sink Hole27 Aug 201327 Aug 20131
R.Rye u/s R.Seph28 Jun 200628 Jun 20061
R.Rye at Greencliff Hagg26 Jun 200626 Jun 20061
R.Rye at Duncombe park10 Sept 199726 Jun 20062
R.Rye at Low ground Fm22 Jun 200622 Jun 20061
R.Rye at Helmsley22 Jun 200622 Jun 20061
R.Rye at Howe Bridge DERCORS125 Sept 200120 Sept 20055

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

1997–2025

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 680 measured fish were spread across different length ranges.

Smallest
1.5 cm
Lower quarter
4.2 cm
Median
5.9 cm
Upper quarter
6.8 cm
Largest
9.2 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Rye

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

Brown / sea trout Grayling Stone loach Rainbow trout Minnow European eel

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 →