RiverFish

Bullhead · Cottus gobio

Bullhead in the River Ure

Largest measured bullhead: 9.6 cm

The largest bullhead measured in Environment Agency surveys of the River Ure was 9.6 cm, recorded at Thwaite Bridge on 27 August 2019.

Across 603 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 River Ure.

See bullhead records across England →

Most recent observation8 September 2025Pry Hill
Largest measured bullhead
9.6 cm
Median length
5.6 cm
Fish measured
603
Survey locations
25

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
9.6 cm27 Aug 2019Thwaite Bridge155514
9 cm27 Aug 2019West End155521
9 cm27 Aug 2019West End155521
8.9 cm27 Aug 2019Thwaite Bridge155514
8.9 cm2 Aug 2011Appersett Layby128880
8.8 cm2 Aug 2011Appersett Layby128880
8.7 cm27 Aug 2019Thwaite Bridge155514
8.7 cm9 Aug 2013Cattriggs Farm137947
8.6 cm22 Jul 2013West End137423
8.4 cm27 Aug 2019West End155521

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
Pry Hill6 Sept 20048 Sept 20255
Nappa Mill, Worton6 Jun 20071 Sept 20253
Kilgram Lower Site30 Jul 20011 Sept 20256
Cattriggs Farm6 Jun 20071 Sept 20253
Bear Park6 Jun 20071 Sept 20253
Bellflask - Fry Survey21 Sept 199913 Aug 202510
Appersett Bridge18 Oct 20016 Aug 202515
West End5 Jun 20075 Aug 20254
Thwaite Bridge5 Jun 20075 Aug 20254
Lunds16 Oct 20015 Aug 202514
Boroughbridge11 Jul 200516 Jul 20259
Middleham28 Jul 200115 Jul 202517
Westwick5 Aug 200310 Jul 202516
Hewick Bridge (single anode)21 Jul 200412 Jul 20197
Boroughbridge - Fry Survey10 Sept 20129 Aug 20184
Appersett Layby2 Aug 20112 Aug 20111
Wensley Bridge4 Jul 200228 Jul 20108
Jervaulx Abbey (upper site)27 Jul 200128 Jul 20109
Jervaulx (lower site)27 Jul 200128 Jul 20109
Kilgram Upper Site30 Jul 200120 Jul 20064
Ripon Golf Club8 Jul 200213 Jul 20054
Clifton Castle21 Jul 200321 Jul 20031
Ripon, d/s North Bridge18 Jul 200318 Jul 20031
Mickley Old Weir (u/s site)18 Jul 200318 Jul 20031
Aldborough (single anode)23 Jul 200123 Jul 20011

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

1999–2025

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 603 measured fish were spread across different length ranges.

Smallest
2 cm
Lower quarter
4.5 cm
Median
5.6 cm
Upper quarter
6.5 cm
Largest
9.6 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Ure

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

Minnow European eel Brown / sea trout Chub Stone loach Roach

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 →