Bullhead · Cottus gobio

Bullhead in the Tach Brook

Largest measured bullhead: 9.7 cm

The largest bullhead measured in Environment Agency surveys of the Tach Brook was 9.7 cm, recorded at Lowdown Farm on 8 June 1995.

Across 88 measured bullhead, the median measured length was 6.1 cm.

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

See bullhead records across England →

Most recent observation10 November 2011Windmill Hill

Largest measured bullhead: 9.7 cm
Median length: 6.1 cm
Fish measured: 88
Survey locations: 5

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
9.7 cm	8 Jun 1995	Lowdown Farm	80263
8.5 cm	21 Aug 2000	Windmill Hill	72375
8.2 cm	21 Aug 2000	Windmill Hill	72375
8.2 cm	8 Jun 1995	Lowdown Farm	80263
7.8 cm	21 Aug 2000	Lowdown Farm	72363
7.7 cm	8 Jun 1995	Lowdown Farm	80263
7.6 cm	21 Aug 2000	Windmill Hill	72375
7.6 cm	21 Aug 2000	Lowdown Farm	72363
7.6 cm	8 Jun 1995	Lowdown Farm	80263
7.4 cm	21 Aug 2000	u/s A46 Europa Way	72380

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
Windmill Hill	8 Jun 1995	10 Nov 2011	3
u/s A46 Europa Way	21 Aug 2000	12 May 2005	2
Lowdown Farm	8 Jun 1995	21 Aug 2000	2
Upstream New Waters	8 Jun 1995	8 Jun 1995	1
Fosse Way	8 Jun 1995	8 Jun 1995	1

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

1995–2011

Survey records by year

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

495

096

097

098

099

300

001

002

003

004

105

006

007

008

009

010

111

Fish measured by surveyors

Measured length distribution

See how the 88 measured fish were spread across different length ranges.

Smallest: 2.1 cm
Lower quarter: 5 cm
Median: 6.1 cm
Upper quarter: 7 cm
Largest: 9.7 cm

0–99 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Tach Brook

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

Stone loach 3-spined stickleback Brown / sea trout Roach 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 →