Gudgeon · Gobio gobio

Gudgeon in the River Nene

Largest measured gudgeon: 21.4 cm

The largest gudgeon measured in Environment Agency surveys of the River Nene was 21.4 cm, recorded at Geddington Ford on 21 May 2013.

Across 5,539 measured gudgeon, the median measured length was 8.6 cm.

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

See gudgeon records across England →

Most recent observation30 October 2024Castor Mill Channel · 3 fish
Largest measured gudgeon
21.4 cm
Median length
8.6 cm
Fish measured
5,539
Survey locations
82

Individual EA measurements

Largest measured gudgeon

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
21.4 cm21 May 2013Geddington Ford136922
17 cm27 Jan 1989Downstream Harrowden Weir54375
16 cm7 Feb 1989Upstream Harrowden Weir54374
16 cm7 Feb 1989Upstream Harrowden Weir54374
16 cm27 Jan 1989Downstream Harrowden Weir54375
15.5 cm21 Sept 1993Cogenhoe Back Channel54057
15.5 cm27 Jan 1989Downstream Harrowden Weir54375
15.5 cm27 Jan 1989Downstream Harrowden Weir54375
15.5 cm27 Jan 1989Downstream Harrowden Weir54375
15.3 cm21 Jul 1989Downstream Cotterstock54044

Lengths are direct survey measurements. RiverFish does not estimate fish weights from length.

Explore the river

Where gudgeon were found

Each point marks a survey location with at least one gudgeon 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 gudgeon
Castor Mill Channel22 Sept 201130 Oct 20244
Alwalton Backchannel22 Sept 200919 Sept 20182
Yarwell Mill Back Channel9 Sept 198117 Sept 201817
Barnwell Back Channel DS Oundle Mill14 Sept 201814 Sept 20181
Wansford Lock Back Channel13 Sept 201813 Sept 20181
Thrapston3 Jul 199525 Jun 20156
Downstream Wansford Lock19 Jul 198922 Jun 20159
Cogenhoe Back Channel6 Jul 19834 Jun 20157
Downstream Warkton bridge26 Jan 198919 May 201510
Finedon Road Bridge8 Feb 19896 May 20154
Upstream Earl's Barton Lock25 Oct 201325 Oct 20131
Wadenhoe Backchannel21 Sept 200916 Oct 20132
Geddington Ford10 Apr 199521 May 20132
Downstream Clifford Hill lock22 Jun 198912 Sept 20124
Downstream Hardwater Lock3 May 198923 Aug 20122
Ailsworth BC 117 Jan 201217 Jan 20121
Downstream Fotheringhay19 Jun 19845 Jul 20108
Barnwell Back Channel11 Jul 19897 Jun 20107
Irthlingborough Backchannel18 Sept 200918 Sept 20091
Ailsworth Upstream of BC weir12 Aug 200912 Aug 20091
Downstream Wadenhoe Lock9 Oct 198916 Jul 20095
Ailsworth4 Aug 198917 Jun 20096
Wellingborough Back Channel16 May 19899 Jun 20096
Downstream Oundle North Road Bridge20 Jul 198920 Sept 20076
Cogenhoe Main Channel17 Sept 197911 Jul 200710
Yarwell M/C22 Jun 198422 Jun 20068
Downstream Harrowden Weir27 Jan 19894 May 20066
Ise Brook Cottage6 Feb 198922 Sept 20054
Downstream Irthlinborough23 Jun 200523 Jun 20051
Upstream Wellingborough10 Aug 199514 Sept 20043
Ferry Meadows3 Jul 198430 Sept 20024
Wellingborough 25 Feb 199216 Jul 19982
Upstream Harrowden Weir7 Feb 19899 Jul 19983
Burton Latimer10 Feb 19921 Jul 19983
Rushton11 Jan 198910 Jun 19984
Billing Aquadrome8 May 19894 Oct 19952
Upstream White Mills10 Sept 199510 Sept 19951
Hardwater Back Channel8 Sept 19958 Sept 19951
Downstream White Mills4 Sept 19954 Sept 19951
Upstream Hardwater Lock24 Aug 199524 Aug 19951
Upstream Wollaston Lock24 May 198923 Aug 19952
Ditchford Back Channel6 Sept 198915 Aug 19952
Upstream Ditchford Lock23 May 19897 Aug 19952
A45 opposite RPC30 May 19893 Aug 19952
Downstream Upper Ringstead12 Oct 19891 Aug 19952
Stanwick Back Channel4 Jul 198921 Jul 19952
Downstream Stanwick20 Jul 199520 Jul 19951
Thorpe Channel3 Oct 198917 Jul 19952
Nassington Back Channel11 Jul 199511 Jul 19951
Lilford Park10 Oct 198910 Jul 19952
Upstream Lower Barnwell Lock12 Jul 198926 Jun 19952
Downstream Cotterstock21 Jul 198921 Jun 19953
Upstream Elton Lock20 Jun 199520 Jun 19951
Upstream Fotheringhay26 Jul 19939 Jun 19952
Bedford Gravels8 Aug 198925 May 19953
Elton Back Channel23 Apr 199523 Apr 19951
Barford Bridge7 Apr 19957 Apr 19951
Stanground Back Channel15 Sept 198921 Jul 19932
Denford Mid Channel30 Jun 198915 Jul 19932
White Mills Back Channel14 Jul 199314 Jul 19931
Fotheringhay15 Feb 19899 Mar 19922
Upstream Wickstead1 Feb 198930 Jan 19922
A6 Desborough10 Jan 198921 Jan 19922
Woodford No118 Oct 198918 Oct 19891
Lilford Upstream4 Oct 19894 Oct 19891
Aldwincle Channel2 Oct 19892 Oct 19891
Stibbington25 Sept 198925 Sept 19891
Peterborough Embankment14 Sept 198914 Sept 19891
Upstream Milton Ferry1 Aug 19891 Aug 19891
Nassington27 Jul 198927 Jul 19891
Cogenhoe25 Jul 198925 Jul 19891
Upstream Elton Road Bridge14 Jul 198914 Jul 19891
A45 (2)29 Jun 198929 Jun 19891
Upstream Higham Lock26 Jun 198926 Jun 19891
Wellingborough 122 May 198922 May 19891
River Ise Confluence22 May 198922 May 19891
13 Arches18 May 198918 May 19891
Wellingborough Embankment12 May 198912 May 19891
Upstream Weston Favell9 May 19899 May 19891
Wollaston Back Channel5 May 19895 May 19891
Downstream Rushmills7 Apr 19897 Apr 19891
Rushmills6 Apr 19896 Apr 19891

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

1979–2024

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 5,539 measured fish were spread across different length ranges.

Smallest
3.1 cm
Lower quarter
7.8 cm
Median
8.6 cm
Upper quarter
10.2 cm
Largest
21.4 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Nene

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

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 →