Bullhead · Cottus gobio

Bullhead in the Weald Stream

Largest measured bullhead: 8.8 cm

The largest bullhead measured in Environment Agency surveys of the Weald Stream was 8.8 cm, recorded at Stidolphs Farm on 17 September 2002.

Across 92 measured bullhead, the median measured length was 5.7 cm.

Surveyors recorded one individual weight: 0.2 oz (0.006 kg).

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

See bullhead records across England →

Most recent observation20 May 2016Roughetts Eggpie Lane

Largest measured bullhead: 8.8 cm
Median length: 5.7 cm
Fish measured: 92
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
8.8 cm	17 Sept 2002	Stidolphs Farm	66660
8.4 cm	17 Sept 2002	Stidolphs Farm	66660
8 cm	17 Sept 2002	Stidolphs Farm	66660
7.7 cm	27 Aug 2004	Stidolphs Farm	82698
7.6 cm	17 Sept 2002	Stidolphs Farm	66660
7.3 cm	17 Sept 2002	Stidolphs Farm	66660
7.2 cm	17 Sept 2002	Stidolphs Farm	66660
7 cm	27 Aug 2004	Stidolphs Farm	82698
7 cm	27 Aug 2004	Stidolphs Farm	82698
7 cm	27 Aug 2004	Stidolphs Farm	82698

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
Roughetts Eggpie Lane	20 May 2016	20 May 2016	1
Upstream of Bid Bridge	17 May 2011	19 May 2016	2
Stidolphs Farm	17 Sept 2002	5 May 2011	3

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

2002–2016

Survey records by year

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

102

003

104

005

006

007

008

009

010

211

012

013

014

015

216

Fish measured by surveyors

Measured length distribution

See how the 92 measured fish were spread across different length ranges.

Smallest: 4.1 cm
Lower quarter: 5.4 cm
Median: 5.7 cm
Upper quarter: 6.4 cm
Largest: 8.8 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

One individual weight was recorded for this fish and river. This is a subset of the measured fish and may not represent the whole population.

Recorded weight: 0.2 oz (0.006 kg)

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

More fish in this river

Explore the Weald Stream

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

Brown / sea trout

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 →