Zander · Sander lucioperca

Zander in the Relief Channel

Largest measured zander: 87.8 cm

The largest zander measured in Environment Agency surveys of the Relief Channel was 87.8 cm, recorded at Holme Farm Magdalen on 10 September 1993.

Across 3,959 measured zander, the median measured length was 12.3 cm.

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

See zander records across England →

Most recent observation9 August 2023Thiefgate Lane Pylons · 1 fish

Largest measured zander: 87.8 cm
Median length: 12.3 cm
Fish measured: 3,959
Survey locations: 16

Individual EA measurements

Largest measured zander

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
87.8 cm	10 Sept 1993	Holme Farm Magdalen	30270
76.3 cm	20 Sept 1996	DS Stow Bridge	30281
75.8 cm	10 Sept 1993	Holme Farm Magdalen	30270
74.3 cm	6 Oct 1988	Downham Bridge	30242
70.3 cm	30 Sept 1991	DS Downham Bridge	30254
69.3 cm	15 Sept 1993	Wiggenhall Bridge	30273
64.8 cm	11 Sept 1996	Downham Bridge	30277
63.8 cm	20 Sept 1996	DS Stow Bridge	30281
62.8 cm	17 Sept 1996	Downham Market STW	30279
62.3 cm	31 Aug 2000	Stow Bridge	30820

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 surveyed	First recorded	Last recorded	Visits finding zander
Thiefgate Lane Pylons	9 Aug 2023	9 Aug 2023	1
DS Stow Bridge	8 Sept 1988	8 Aug 2017	7
Wiggenhall Bridge	3 Oct 1988	14 Jul 2014	7
Denver Sluice	5 Sept 1988	9 Jul 2014	5
DS Denver Residual Sluice (Eel Monitoring)	18 Jun 2014	18 Jun 2014	1
DS Denver Sluice	9 Oct 2008	9 Oct 2008	1
Stow Bridge	8 Sept 1988	19 Aug 2008	6
Black Bank Dyke Sluice	18 Aug 2008	18 Aug 2008	1
Tail Sluice	15 Oct 1991	24 Aug 2005	4
Saddlebow Bridge	27 Sept 1988	23 Aug 2005	4
Polver Farm Magdalen	9 Oct 1991	17 Aug 2005	4
Magdalen Bridge	16 Sept 1988	16 Aug 2005	4
Holme Farm Magdalen	30 Sept 1988	15 Aug 2005	6
Downham Market STW	7 Sept 1988	10 Aug 2005	6
DS Downham Bridge	6 Sept 1988	5 Aug 2005	6
Downham Bridge	6 Oct 1988	22 Aug 2000	5

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

1988–2023

Survey records by year

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

1188

089

090

1291

092

1293

094

095

596

097

098

099

800

001

002

003

004

905

006

007

508

009

010

011

012

013

414

015

016

117

018

019

020

021

022

123

Fish measured by surveyors

Measured length distribution

See how the 3,959 measured fish were spread across different length ranges.

Smallest: 4.8 cm
Lower quarter: 11.3 cm
Median: 12.3 cm
Upper quarter: 13.3 cm
Largest: 87.8 cm

0–99 mm

614

100–199 mm

3265

200–299 mm

300–399 mm

400–499 mm

500–599 mm

600–699 mm

700–799 mm

800–899 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Relief Channel

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

Perch Roach Ruffe Pike European eel Tench

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 →