RiverFish

Bullhead · Cottus gobio

Bullhead in the Small River Lee

Largest measured bullhead: 7.9 cm

The largest bullhead measured in Environment Agency surveys of the Small River Lee was 7.9 cm, recorded at Small River Lee, Waltham Abbey on 25 October 2002.

Across 10 measured bullhead, the median measured length was 6.5 cm.

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

See bullhead records across England →

Most recent observation19 August 2015Small River Lee, Waltham Abbey
Largest measured bullhead
7.9 cm
Median length
6.5 cm
Fish measured
10
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.

LengthSurvey dateSurvey locationSurvey ID
7.9 cm25 Oct 2002Small River Lee, Waltham Abbey72648
7.5 cm7 May 2015Windmill Lane144644
7.2 cm7 May 2015Windmill Lane144644
6.9 cm4 Sept 2003Small River Lee, Waltham Abbey76917
6.7 cm7 May 2015Windmill Lane144644
6.4 cm7 May 2015Windmill Lane144644
6 cm4 Sept 2003Small River Lee, Waltham Abbey76917
5.2 cm4 Sept 2003Small River Lee, Waltham Abbey76917
4.6 cm7 May 2015Windmill Lane144644
4.1 cm4 Sept 2003Small River Lee, Waltham Abbey76917

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 surveyedFirst recordedLast recordedVisits finding bullhead
Small River Lee, Waltham Abbey25 Oct 200219 Aug 20153
Windmill Lane11 May 20117 May 20152

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

2002–2015

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 10 measured fish were spread across different length ranges.

Smallest
4.1 cm
Lower quarter
5.4 cm
Median
6.6 cm
Upper quarter
7.1 cm
Largest
7.9 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Small River Lee

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

3-spined stickleback Perch Roach Dace Gudgeon Minnow

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 →