RiverFish

Zander · Sander lucioperca

Zander in the River Stour

Largest measured zander: 71 cm

The largest zander measured in Environment Agency surveys of the River Stour was 71 cm, recorded at Mill Farm Clare on 17 September 2003.

Across 124 measured zander, the median measured length was 24.2 cm.

Surveyors recorded weights for 20 zander. The median was 1 lb 1.8 oz (0.5055 kg) and the largest recorded weight was 9 lb 1 oz (4.11 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 Stour.

See zander records across England →

Most recent observation16 July 2013Shalford Weir · 1 fish
Largest measured zander
71 cm
Median length
24.2 cm
Fish measured
124
Survey locations
20

Individual EA measurements

Largest measured zander

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

LengthSurvey dateSurvey locationSurvey ID
71 cm17 Sept 2003Mill Farm Clare77059
70 cm17 Oct 1994Bures Bridge A13640
69.3 cm28 Aug 2003Glemsford Pits77662
69 cm17 Oct 1994Bures Bridge A13640
68.4 cm12 Aug 2009Lamarsh FGS A120642
67.5 cm17 Oct 1994Bures Bridge A13640
66.7 cm17 Oct 1994Bures Bridge A13640
65.5 cm16 Jul 2013Shalford Weir138587
65.3 cm17 Sept 2003Mill Farm Clare77059
64.5 cm13 Jul 2007Bures Bridge A105952

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

Explore the river

Where zander were found

Each point marks a survey location with at least one zander 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 zander
Shalford Weir16 Jul 201316 Jul 20131
Little Thurlow22 Sept 200328 Sept 20093
Little Wratting10 Oct 19918 Sept 20095
Lamarsh FGS A24 Jul 198512 Aug 20092
Bures Bridge A29 Sept 198813 Jul 20076
Great Thurlow7 Nov 19944 Oct 20063
Kedington FGS3 Oct 199120 Sept 20064
Kedington Radial Gate10 Nov 19948 Sept 20063
Great Bradley (headwater)22 Sept 200322 Sept 20031
Mill Farm Clare17 Sept 200317 Sept 20031
Wixoe Pumping Station24 Sept 19919 Sept 20032
Glemsford Pits28 Aug 200328 Aug 20031
Baythorne End8 Oct 19915 Sept 19972
Stoke By Clare22 Nov 199422 Nov 19941
Fen Bridge13 Jun 199113 Jun 19911
Shalford Meadow30 Sept 198830 Sept 19881
Bures Mill23 Jul 198523 Jul 19851
Bakers Mill A12 Jul 198512 Jul 19851
Brantham Lock12 Jun 198512 Jun 19851
Downstream Dedham Mill19 Aug 198311 Jun 19852

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

1983–2013

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 124 measured fish were spread across different length ranges.

Smallest
7.1 cm
Lower quarter
13.5 cm
Median
24.3 cm
Upper quarter
42.4 cm
Largest
71 cm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 20 zander. This is a subset of the measured fish and may not represent the whole population.

Lightest
1 oz (0.028 kg)
Lower quarter
2.8 oz (0.0792 kg)
Median
1 lb 1.8 oz (0.5055 kg)
Upper quarter
6 lb 2.7 oz (2.8 kg)
Heaviest
9 lb 1 oz (4.11 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 Stour

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

Roach European eel Perch Pike Chub Dace

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 →