Bullhead · Cottus gobio

Bullhead in the Limy Water

Largest measured bullhead: 10.5 cm

The largest bullhead measured in Environment Agency surveys of the Limy Water was 10.5 cm, recorded at Iwli05 on 17 July 2002.

Across 82 measured bullhead, the median measured length was 7.6 cm.

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

See bullhead records across England →

Most recent observation26 June 2023Iwli03

Largest measured bullhead: 10.5 cm
Median length: 7.6 cm
Fish measured: 82
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
10.5 cm	17 Jul 2002	Iwli05	60660
10.1 cm	17 Jul 2002	Iwli05	60660
9.7 cm	17 Jul 2002	Iwli05	60660
9.6 cm	17 Jul 2002	Iwli05	60660
9.6 cm	17 Jul 2002	Iwli05	60660
9.6 cm	17 Jul 2002	Iwli05	60660
9.4 cm	17 Jul 2002	Iwli05	60660
9.3 cm	17 Jul 2002	Iwli05	60660
9.2 cm	17 Jul 2002	Iwli05	60660
9.1 cm	17 Jul 2002	Iwli05	60660

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
Iwli06	13 Jul 2011	26 Jun 2023	2
Iwli03	29 Oct 1996	26 Jun 2023	4
Iwli01	29 Oct 1996	2 Aug 2017	5
Iwli05	17 Jul 2002	17 Jul 2002	1
Lw02	29 Oct 1996	29 Oct 1996	1

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

1996–2023

Survey records by year

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

496

097

098

099

000

001

102

003

004

005

006

007

008

009

010

311

012

113

014

015

016

217

018

019

020

021

022

223

Fish measured by surveyors

Measured length distribution

See how the 82 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 6.7 cm
Median: 7.6 cm
Upper quarter: 8.4 cm
Largest: 10.5 cm

0–99 mm

100–199 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Limy Water

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

Brown / sea trout Stone loach

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 →