RiverFish

Bullhead · Cottus gobio

Bullhead in the River Petteril

Largest measured bullhead: 10.5 cm

The largest bullhead measured in Environment Agency surveys of the River Petteril was 10.5 cm, recorded at 1300.30 Greystoke Gill, River Petteril on 19 August 1980.

Across 182 measured bullhead, the median measured length was 7.5 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 Petteril.

See bullhead records across England →

Most recent observation19 June 20261303.00 Little Blencow, River Petteril
Largest measured bullhead
10.5 cm
Median length
7.5 cm
Fish measured
182
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
10.5 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
10.1 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.7 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.7 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.6 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.6 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.5 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.5 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.5 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716
9.5 cm19 Aug 19801300.30 Greystoke Gill, River Petteril122716

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
1309.00 Brockleymoor, River Petteril6 Jul 201119 Jun 20269
1303.00 Little Blencow, River Petteril20 May 197519 Jun 202620
1320.40 120m DS footbridge, Melbourne Park1 Apr 200913 May 202615
1318.00 Golden Fleece, River Petteril19 Jul 200520 Jun 20244
1314.00 Southwaite, River Petteril19 Jul 200520 Jun 20244
1305.00 Newton Reigny, River Petteril7 Jul 201120 Jun 20243
1302.00 Greystoke Sewage Works, River Petteril11 Jul 200518 Jun 20244
1320.50 400 yrd DS footbridge, Melbourne Park19 Jul 20054 Jul 20184
1300.30 Greystoke Gill, River Petteril22 May 197521 Jul 20103
1320.30 Melbourne Park DS fish pass26 Mar 200324 Apr 20086
1315.00 Barrock Park, River Petteril27 Aug 198027 Aug 19801
1321.95 River Petteril - Stoneyholme Golf Course22 Aug 198022 Aug 19801
1305.20 DS Newton Reigny STW, River Petteril19 May 197520 Aug 19802
1301.80 US Storch Bridge, River Petteril21 May 197521 May 19751
1304.20 DS Laithes Bridge, River Petteril20 May 197520 May 19751

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

1975–2026

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 182 measured fish were spread across different length ranges.

Smallest
2.9 cm
Lower quarter
6.5 cm
Median
7.5 cm
Upper quarter
8.4 cm
Largest
10.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Petteril

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

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

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 →