Bullhead · Cottus gobio

Bullhead in the Ledwyche Brook

Largest measured bullhead: 8.7 cm

The largest bullhead measured in Environment Agency surveys of the Ledwyche Brook was 8.7 cm, recorded at Ledwyche Bridge on 14 August 2013.

Across 21 measured bullhead, the median measured length was 3.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Ledwyche Brook.

See bullhead records across England →

Most recent observation21 August 2024Ledwyche Bridge

Largest measured bullhead: 8.7 cm
Median length: 3.3 cm
Fish measured: 21
Survey locations: 6

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
8.7 cm	14 Aug 2013	Ledwyche Bridge	137852
8.2 cm	14 Aug 2013	Ledwyche Bridge	137852
8.2 cm	14 Aug 2013	Ledwyche Bridge	137852
7.6 cm	14 Aug 2013	Ledwyche Bridge	137852
6.3 cm	14 Aug 2013	Ledwyche Bridge	137852
4.2 cm	14 Aug 2013	Ledwyche Bridge	137852
4.2 cm	14 Aug 2013	Ledwyche Bridge	137852
4.1 cm	14 Aug 2013	Ledwyche Bridge	137852
4.1 cm	14 Aug 2013	Ledwyche Bridge	137852
3.8 cm	14 Aug 2013	Ledwyche Bridge	137852

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
Ledwyche Bridge	30 Jul 1991	21 Aug 2024	5
Lower Ledwyche	2 Jul 1993	16 Sept 1999	2
Dogditch Brook	1 Jul 1993	16 Sept 1999	2
Caynham	25 Jun 1991	16 Sept 1999	3
Brook House	1 Jul 1993	16 Sept 1999	2
Broadfields	2 Jul 1993	16 Sept 1999	2

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

1991–2024

Survey records by year

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

291

092

593

094

095

096

097

098

599

000

001

002

003

004

005

106

007

008

009

010

011

012

113

014

015

016

017

118

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 21 measured fish were spread across different length ranges.

Smallest: 2.2 cm
Lower quarter: 2.9 cm
Median: 3.3 cm
Upper quarter: 4.2 cm
Largest: 8.7 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Ledwyche Brook

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

Brown / sea trout Stone loach Minnow European eel Atlantic salmon Grayling

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 →