Bullhead · Cottus gobio

Bullhead in the Callabarrett Stream

Largest measured bullhead: 7.3 cm

The largest bullhead measured in Environment Agency surveys of the Callabarrett Stream was 7.3 cm, recorded at Callabarrett on 21 August 1998.

Across 34 measured bullhead, the median measured length was 5 cm.

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

See bullhead records across England →

Most recent observation15 September 2004Callabarrett

Largest measured bullhead: 7.3 cm
Median length: 5 cm
Fish measured: 34
Survey locations: 1

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	21 Aug 1998	Callabarrett	104272
6.9 cm	4 Aug 2000	Callabarrett	104188
6.9 cm	4 Aug 2000	Callabarrett	104188
6.7 cm	4 Aug 2000	Callabarrett	104188
6.6 cm	21 Aug 1998	Callabarrett	104272
6.3 cm	21 Aug 1998	Callabarrett	104272
6.3 cm	21 Aug 1998	Callabarrett	104272
6 cm	10 Sept 1997	Callabarrett	135558
5.7 cm	10 Sept 1997	Callabarrett	135558
5.6 cm	10 Sept 1997	Callabarrett	135558

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
Callabarrett	22 Sept 1983	15 Sept 2004	9

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

1983–2004

Survey records by year

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

183

084

085

086

087

088

089

090

091

092

093

194

095

096

197

198

199

100

001

102

103

104

Fish measured by surveyors

Measured length distribution

See how the 34 measured fish were spread across different length ranges.

Smallest: 1.4 cm
Lower quarter: 4.5 cm
Median: 5 cm
Upper quarter: 5.7 cm
Largest: 7.3 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Callabarrett Stream

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

Brown / sea trout Atlantic salmon European eel

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 →