Perch · Perca fluviatilis

Perch in the River Adur West Arm

Largest measured perch: 21.7 cm

The largest perch measured in Environment Agency surveys of the River Adur West Arm was 21.7 cm, recorded at Tenchford Bridge on 9 August 2004.

Across 338 measured perch, the median measured length was 8.6 cm.

Surveyors recorded weights for 271 perch. The median was 0.4 oz (0.011 kg) and the largest recorded weight was 5.8 oz (0.164 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 Adur West Arm.

See perch records across England →

Most recent observation18 July 2024Lock Bridge · 1 fish

Largest measured perch: 21.7 cm
Median length: 8.6 cm
Fish measured: 338
Survey locations: 5

Individual EA measurements

Largest measured perch

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
21.7 cm	9 Aug 2004	Tenchford Bridge	81332
21.5 cm	9 Feb 1998	Tenchford Bridge	72691
20.9 cm	8 Sept 2003	Lock Bridge	76989
19.6 cm	9 Aug 2004	Tenchford Bridge	81332
18.9 cm	9 Aug 2004	Tenchford Bridge	81332
18.7 cm	19 Aug 2003	Tenchford Bridge	76912
17.9 cm	20 Sept 2010	Lock Bridge	124378
17 cm	19 Aug 2003	Tenchford Bridge	76912
16.7 cm	20 Sept 2010	Lock Bridge	124378
15.9 cm	9 Aug 2004	Tenchford Bridge	81332

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

Explore the river

Where perch were found

Each point marks a survey location with at least one perch 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 perch
Lock Bridge	4 Nov 1997	18 Jul 2024	12
Capps Bridge	15 May 2014	15 May 2014	1
Tenchford Bridge	9 Feb 1998	15 Apr 2014	6
Bines Bridge	15 Oct 2013	15 Oct 2013	1
Slaughter Bridge	9 Sept 2002	9 Sept 2002	1

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 perch that year.

197

198

099

000

001

202

203

204

205

206

107

108

109

110

011

012

113

214

115

016

017

018

019

020

021

022

023

124

Fish measured by surveyors

Measured length distribution

See how the 338 measured fish were spread across different length ranges.

Smallest: 2.9 cm
Lower quarter: 5.5 cm
Median: 8.6 cm
Upper quarter: 10.6 cm
Largest: 21.7 cm

0–99 mm

237

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

Fish weighed by surveyors

Measured weight summary

Recorded weights were available for 271 perch. This is a subset of the measured fish and may not represent the whole population.

Lightest: 0 oz (0.001 kg)
Lower quarter: 0.2 oz (0.005 kg)
Median: 0.4 oz (0.011 kg)
Upper quarter: 0.6 oz (0.018 kg)
Heaviest: 5.8 oz (0.164 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 Adur West Arm

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

Roach Pike European eel Rudd 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 →