Bullhead · Cottus gobio

Bullhead in the River East Stour

Largest measured bullhead: 9 cm

The largest bullhead measured in Environment Agency surveys of the River East Stour was 9 cm, recorded at Sellindge on 2 August 2006.

Across 223 measured bullhead, the median measured length was 5.6 cm.

Surveyors recorded weights for 8 bullhead. The median was 0.1 oz (0.003 kg) and the largest recorded weight was 0.3 oz (0.008 kg).

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

See bullhead records across England →

Most recent observation20 June 2024Mersham · 9 fish

Largest measured bullhead: 9 cm
Median length: 5.6 cm
Fish measured: 223
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
9 cm	2 Aug 2006	Sellindge	103265
8.9 cm	20 Jun 2024	Mersham	165239
8.9 cm	24 Apr 2001	Sellindge	22345
8.7 cm	2 Aug 2006	Sellindge	103265
8.7 cm	2 Aug 2006	Sellindge	103265
8.5 cm	20 Jun 2024	Mersham	165239
8.5 cm	10 Sept 2002	Sellindge	72675
8.2 cm	11 Jun 2024	Sellindge	165235
8.2 cm	24 Apr 2001	Sellindge	22345
8 cm	20 Jun 2024	Mersham	165239

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
Mersham	3 Aug 2006	20 Jun 2024	4
Sellindge	24 Apr 2001	11 Jun 2024	7
Stour Centre	8 Aug 2006	18 Jul 2012	2

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

2001–2024

Survey records by year

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

101

102

103

004

005

306

007

008

009

010

011

312

013

014

015

016

017

218

019

020

021

022

023

224

Fish measured by surveyors

Measured length distribution

See how the 223 measured fish were spread across different length ranges.

Smallest: 1.5 cm
Lower quarter: 4.9 cm
Median: 5.6 cm
Upper quarter: 6.5 cm
Largest: 9 cm

0–99 mm

223

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 8 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0.1 oz (0.002 kg)
Lower quarter: 0.1 oz (0.002 kg)
Median: 0.1 oz (0.003 kg)
Upper quarter: 0.1 oz (0.004 kg)
Heaviest: 0.3 oz (0.008 kg)

These are direct individual weights recorded by Environment Agency surveyors. Combined bulk weights are not included.

More fish in this river

Explore the River East Stour

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

European eel Stone loach Gudgeon Minnow Perch 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 →