Bullhead · Cottus gobio

Bullhead in the River Little Don

Largest measured bullhead: 11.6 cm

The largest bullhead measured in Environment Agency surveys of the River Little Don was 11.6 cm, recorded at Deepcar (formerly Stocksbridge STW US) on 19 August 2003.

Across 176 measured bullhead, the median measured length was 6.2 cm.

Surveyors recorded one individual weight: 2.5 oz (0.071 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 Little Don.

See bullhead records across England →

Most recent observation14 September 2023Deepcar (formerly Stocksbridge STW US)

Largest measured bullhead: 11.6 cm
Median length: 6.2 cm
Fish measured: 176
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
11.6 cm	19 Aug 2003	Deepcar (formerly Stocksbridge STW US)	78860
10.4 cm	8 Sept 2011	Deepcar (formerly Stocksbridge STW US)	128729
9.8 cm	16 Aug 2005	Deepcar (formerly Stocksbridge STW US)	87765
9.6 cm	8 Sept 2011	Deepcar (formerly Stocksbridge STW US)	128729
9.6 cm	16 Sept 2008	Downstream Underbank Reservoir	115215
9.1 cm	3 Aug 2007	Deepcar (formerly Stocksbridge STW US)	110363
9 cm	8 Sept 2011	Downstream Underbank Reservoir	128724
8.4 cm	3 Aug 2007	Deepcar (formerly Stocksbridge STW US)	110363
8.3 cm	19 Aug 2003	Deepcar (formerly Stocksbridge STW US)	78860
8.2 cm	5 Sept 2017	Downstream Underbank Reservoir	151454

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
Downstream Underbank Reservoir	16 Sept 2008	14 Sept 2023	4
Deepcar (formerly Stocksbridge STW US)	2 Aug 2001	14 Sept 2023	6
Below Underbanks	1 Nov 1990	1 Nov 1990	1

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

1990–2023

Survey records by year

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

190

091

092

093

094

095

096

097

098

099

000

101

002

103

004

105

006

107

108

009

010

211

012

013

014

015

016

117

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 176 measured fish were spread across different length ranges.

Smallest: 2.8 cm
Lower quarter: 3.8 cm
Median: 6.2 cm
Upper quarter: 6.9 cm
Largest: 11.6 cm

0–99 mm

174

100–199 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: 2.5 oz (0.071 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 Little Don

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

Brown / sea trout 3-spined stickleback Perch Roach Chub 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 →