Bullhead · Cottus gobio

Bullhead in the Chad Brook (Main Reaches)

Largest measured bullhead: 10.1 cm

The largest bullhead measured in Environment Agency surveys of the Chad Brook (Main Reaches) was 10.1 cm, recorded at Melford FGS on 24 July 2024.

Across 459 measured bullhead, the median measured length was 5.8 cm.

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

See bullhead records across England →

Most recent observation2 July 2026Broad Meadows · 47 fish

Largest measured bullhead: 10.1 cm
Median length: 5.8 cm
Fish measured: 459
Survey locations: 3

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	24 Jul 2024	Melford FGS	167833
9.7 cm	25 Jun 2014	Broad Meadows	141715
9.5 cm	28 Jan 1986	Broad Meadows	13821
9.3 cm	25 Jul 2018	Broad Meadows	154110
9.1 cm	29 May 1997	Broad Meadows	13832
9 cm	13 May 1994	Broad Meadows	13829
9 cm	28 Jan 1986	Broad Meadows	13821
8.9 cm	25 Jun 2014	Broad Meadows	141715
8.9 cm	10 Jul 2012	Broad Meadows	132647
8.9 cm	2 Jun 2010	Broad Meadows	121779

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
Broad Meadows	19 Jan 1983	2 Jul 2026	15
Melford FGS	24 Jan 1983	24 Jul 2024	3
Village Hall	26 May 2000	12 Jul 2012	3

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

1983–2026

Survey records by year

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

283

084

085

286

087

188

089

090

091

092

093

194

095

096

197

098

099

100

001

002

003

004

005

206

007

008

009

110

011

212

013

114

015

116

017

118

019

020

121

122

023

224

025

126

Fish measured by surveyors

Measured length distribution

See how the 459 measured fish were spread across different length ranges.

Smallest: 1.6 cm
Lower quarter: 5.1 cm
Median: 5.8 cm
Upper quarter: 6.8 cm
Largest: 10.1 cm

0–99 mm

458

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Chad Brook (Main Reaches)

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

Pike Dace Roach Perch European eel Chub

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 →