Bullhead · Cottus gobio

Bullhead in the Sea Cut/Scalby Beck System

Largest measured bullhead: 10.1 cm

The largest bullhead measured in Environment Agency surveys of the Sea Cut/Scalby Beck System was 10.1 cm, recorded at Burniston Beck DERBT20 on 17 August 2018.

Across 216 measured bullhead, the median measured length was 6.2 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Sea Cut/Scalby Beck System.

See bullhead records across England →

Most recent observation30 September 2024Burniston Beck DERBT20

Largest measured bullhead: 10.1 cm
Median length: 6.2 cm
Fish measured: 216
Survey locations: 7

Individual EA measurements

Largest measured bullhead

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

Length	Survey date	Survey location	Survey ID
10.1 cm	17 Aug 2018	Burniston Beck DERBT20	153423
10.1 cm	21 Oct 2012	Burniston Beck DERBT20	134380
10 cm	17 Sept 2018	Lindhead Beck, Burniston DERBT18	153424
10 cm	17 Aug 2018	Burniston Beck DERBT20	153423
9.8 cm	21 Oct 2012	Burniston Beck DERBT20	134380
9.7 cm	17 Sept 2018	Scalby Beck, Scalby Mills DERBT23	153422
9.7 cm	17 Aug 2018	Burniston Beck DERBT20	153423
9.6 cm	21 Oct 2012	Burniston Beck DERBT20	134380
9.5 cm	17 Aug 2018	Burniston Beck DERBT20	153423
9.3 cm	17 Aug 2018	Burniston Beck DERBT20	153423

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 surveyed	First recorded	Last recorded	Visits finding bullhead
Lindhead Beck, Burniston DERBT18	3 Jul 2002	30 Sept 2024	4
Burniston Beck DERBT20	21 Oct 2012	30 Sept 2024	3
Scalby Beck, Scalby Mills DERBT23	11 Sept 1997	23 Sept 2024	6
Burniston Beck US A171	21 Oct 2012	21 Oct 2012	1
Burniston Beck Rocks Lane FKA	21 Oct 2012	21 Oct 2012	1
Burniston Beck Behind Village Hall FKA	21 Oct 2012	21 Oct 2012	1
Scalby Beck, upstream Youth Hostel DERBT22	4 Jul 2002	4 Jul 2002	1

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

1997–2024

Survey records by year

Each bar shows how many survey visits recorded bullhead that year.

197

098

099

000

001

302

003

004

005

006

007

008

009

010

011

612

013

014

015

016

017

318

019

020

121

022

023

324

Fish measured by surveyors

Measured length distribution

See how the 216 measured fish were spread across different length ranges.

Smallest: 2 cm
Lower quarter: 4.2 cm
Median: 6.2 cm
Upper quarter: 7.3 cm
Largest: 10.1 cm

0–99 mm

212

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Sea Cut/Scalby Beck System

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

Brown / sea trout 3-spined stickleback European eel Stone loach 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 →