Bullhead · Cottus gobio

Bullhead in the Saredon Brook

Largest measured bullhead: 9.5 cm

The largest bullhead measured in Environment Agency surveys of the Saredon Brook was 9.5 cm, recorded at Wedges Mill Downstream Bw Abstraction on 4 August 2015.

Across 40 measured bullhead, the median measured length was 7.4 cm.

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

See bullhead records across England →

Most recent observation15 July 2026DS Canal Feeder

Largest measured bullhead: 9.5 cm
Median length: 7.4 cm
Fish measured: 40
Survey locations: 5

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
9.5 cm	4 Aug 2015	Wedges Mill Downstream Bw Abstraction	146794
9.1 cm	4 Aug 2015	Coven	146785
8.8 cm	4 Aug 2015	Coven	146785
8.4 cm	4 Aug 2015	Coven	146785
8.3 cm	4 Aug 2015	Coven	146785
8.2 cm	4 Aug 2015	Coven	146785
8.2 cm	4 Aug 2015	Coven	146785
8.1 cm	4 Aug 2015	Coven	146785
8.1 cm	4 Aug 2015	Coven	146785
8.1 cm	4 Aug 2015	Coven	146785

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
US Canal Feeder	29 Jul 2025	15 Jul 2026	2
DS Canal Feeder	29 Jul 2025	15 Jul 2026	2
Coven	19 Sept 2005	4 Jun 2025	5
Wedges Mill Downstream Bw Abstraction	13 Sept 2005	4 Aug 2015	2
Deepmore	19 Sept 2005	19 Sept 2005	1

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

2005–2026

Survey records by year

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

305

006

007

008

009

010

111

012

013

014

215

016

017

018

019

020

021

022

123

024

325

226

Fish measured by surveyors

Measured length distribution

See how the 40 measured fish were spread across different length ranges.

Smallest: 3.5 cm
Lower quarter: 6.6 cm
Median: 7.4 cm
Upper quarter: 8 cm
Largest: 9.5 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Saredon Brook

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

Chub Perch Roach Gudgeon Minnow Dace

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 →