Bullhead · Cottus gobio

Bullhead in the River Lod

Largest measured bullhead: 7.3 cm

The largest bullhead measured in Environment Agency surveys of the River Lod was 7.3 cm, recorded at Salmons Bridge on 4 July 2006.

Across 52 measured bullhead, the median measured length was 5.5 cm.

Surveyors recorded weights for 52 bullhead. The median was 0.1 oz (0.002 kg) and the largest recorded weight was 0.5 oz (0.014 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 Lod.

See bullhead records across England →

Most recent observation20 July 2018Lickfold · 16 fish

Largest measured bullhead: 7.3 cm
Median length: 5.5 cm
Fish measured: 52
Survey locations: 2

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
7.3 cm	4 Jul 2006	Salmons Bridge	101934
7.1 cm	4 Jul 2005	Lickfold	86750
6.9 cm	8 Jul 2008	Salmons Bridge	112071
6.8 cm	8 Jul 2008	Salmons Bridge	112071
6.8 cm	4 Jul 2005	Lickfold	86750
6.8 cm	4 Jul 2005	Lickfold	86750
6.7 cm	8 Jul 2008	Salmons Bridge	112071
6.7 cm	4 Jul 2006	Salmons Bridge	101934
6.4 cm	4 Jul 2006	Salmons Bridge	101934
6.2 cm	4 Jul 2005	Lickfold	86750

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
Salmons Bridge	8 Mar 1993	20 Jul 2018	5
Lickfold	4 Jul 2005	20 Jul 2018	3

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

1993–2018

Survey records by year

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

193

094

095

096

097

098

099

000

001

002

003

004

105

106

007

108

009

010

211

012

013

014

015

016

017

218

Fish measured by surveyors

Measured length distribution

See how the 52 measured fish were spread across different length ranges.

Smallest: 2.7 cm
Lower quarter: 5.2 cm
Median: 5.5 cm
Upper quarter: 6 cm
Largest: 7.3 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 52 bullhead. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.1 oz (0.002 kg)
Median: 0.1 oz (0.002 kg)
Upper quarter: 0.1 oz (0.003 kg)
Heaviest: 0.5 oz (0.014 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 Lod

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

Chub Gudgeon Stone loach Perch European eel Roach

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 →