RiverFish

Tench · Tinca tinca

Tench in the River Upper Ouse

Largest measured tench: 51.5 cm

The largest tench measured in Environment Agency surveys of the River Upper Ouse was 51.5 cm, recorded at Clifton Reynes on 4 July 2005.

Across 138 measured tench, the median measured length was 25.1 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 Upper Ouse.

See tench records across England →

Most recent observation21 April 2026DS Wolverton Mill · 6 fish
Largest measured tench
51.5 cm
Median length
25.1 cm
Fish measured
138
Survey locations
32

Individual EA measurements

Largest measured tench

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

LengthSurvey dateSurvey locationSurvey ID
51.5 cm4 Jul 2005Clifton Reynes84960
51 cm23 Jun 2005Newport Pagnell84854
50.3 cm19 Nov 1997Radwell / Bletsoe28949
50 cm4 Jul 2005Clifton Reynes84960
49.5 cm10 Jun 2003Clifton Reynes76509
49.3 cm29 Nov 1988Biddenham28896
48.8 cm17 Nov 1997Biddenham28951
48.5 cm4 Jul 2005Clifton Reynes84960
47.8 cm12 Oct 1994Lavendon Mill28923
47 cm4 Jul 2005Clifton Reynes84960

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

Explore the river

Where tench were found

Each point marks a survey location with at least one tench 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 tench
DS Wolverton Mill21 Apr 202621 Apr 20261
Westbury6 Sept 20179 Jul 20242
Oakley11 Mar 199230 Aug 20237
Buckingham19 Oct 202219 Oct 20221
Brackley12 Oct 202212 Oct 20221
Odell8 Sept 20178 Sept 20171
Thornborough Mill7 May 200914 Aug 20133
Mount Mill Farm18 Apr 19945 Aug 20133
Lavendon Mill12 Oct 19942 Sept 20113
DS Ravenstone Mill1 Sept 20111 Sept 20111
Clifton Reynes22 Oct 199123 Aug 201110
Kempston Mill6 Mar 199212 Aug 20114
Radwell / Bletsoe24 Oct 19944 Aug 20107
Wolverton Mill19 May 200329 Jun 20106
Newport Pagnell25 Oct 199114 Jul 20095
Turvey31 Oct 19911 Aug 20086
Old Stratford24 Apr 200824 Apr 20081
Ravenstone Mill1 Nov 19887 Nov 20073
Milton Ernest STW7 Sept 20047 Sept 20041
Falcon Inn Bletsoe6 Sept 20046 Sept 20041
Stoke Mill Sharnbrook3 Sept 20043 Sept 20041
Biddenham29 Nov 198817 Nov 19973
Sherrington24 Oct 199123 Oct 19972
Felmersham19 Oct 198820 Oct 19972
Mill Farm Gayhurst11 Jun 199711 Jun 19971
Mill Farm23 Apr 199723 Apr 19971
Carlton18 Oct 198813 Oct 19943
Newton Blossomville11 Oct 199411 Oct 19941
Manor Farm Cosgrove3 May 19943 May 19941
Milton Ernest12 Mar 199212 Mar 19921
Pavenham10 Mar 199210 Mar 19921
Radclive Mill27 Mar 199127 Mar 19911

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

1988–2026

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 138 measured fish were spread across different length ranges.

Smallest
2.8 cm
Lower quarter
15.3 cm
Median
25.1 cm
Upper quarter
41.7 cm
Largest
51.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Upper Ouse

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

Pike Perch Dace Roach Chub Gudgeon

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 →