RiverFish

Bullhead · Cottus gobio

Bullhead in the River Dane

Largest measured bullhead: 9.8 cm

The largest bullhead measured in Environment Agency surveys of the River Dane was 9.8 cm, recorded at Dada55 on 2 August 2004.

Across 534 measured bullhead, the median measured length was 6.2 cm.

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

See bullhead records across England →

Most recent observation8 July 2024Dada37
Largest measured bullhead
9.8 cm
Median length
6.2 cm
Fish measured
534
Survey locations
23

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
9.8 cm2 Aug 2004Dada5581822
9.5 cm5 Apr 2005Dada1584362
9.4 cm5 Apr 2005Dada2584360
9.3 cm5 Apr 2005Dada2584360
9.2 cm5 Aug 2004Dada4283109
9.1 cm5 Apr 2005Dada1584362
9.1 cm5 Aug 2004Dada4283109
9.1 cm17 Jul 2003Dada1576393
9 cm5 Aug 2004Dada4283109
9 cm5 Aug 2004Dada4283109

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
Dada373 Aug 20048 Jul 20247
Dada254 Aug 20034 Jul 20246
Dada1517 Jun 20023 Jul 20246
Dada552 Aug 200418 May 20236
Dada3011 Aug 200330 Jun 20224
Da038 Jul 199728 Jun 20222
Dada4425 May 201025 May 20101
Dada425 Aug 200419 Sept 20095
Dada2220 Apr 200520 Apr 20051
Dada509 Sept 20039 Sept 20031
Dada458 Sept 20038 Sept 20031
Dada4028 Aug 200328 Aug 20031
Dada3524 Jul 200127 Aug 20032
Dada2017 Jun 200217 Jul 20032
Da1215 Jul 199715 Jul 19971
Da1115 Jul 199715 Jul 19971
Da0815 Jul 199715 Jul 19971
Da0515 Jul 199715 Jul 19971
Da078 Jul 19978 Jul 19971
Da068 Jul 19978 Jul 19971
Da048 Jul 19978 Jul 19971
Da027 Jul 19977 Jul 19971
Da017 Jul 19977 Jul 19971

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

1997–2024

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 534 measured fish were spread across different length ranges.

Smallest
2.2 cm
Lower quarter
5.1 cm
Median
6.2 cm
Upper quarter
7.1 cm
Largest
9.8 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Dane

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

Dace Stone loach Brown / sea trout Gudgeon 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 →