Perch · Perca fluviatilis

Perch in the Fossdyke Navigation Canal

Largest measured perch: 41.6 cm

The largest perch measured in Environment Agency surveys of the Fossdyke Navigation Canal was 41.6 cm, recorded at Fertilizer Factory on 8 August 2002.

Across 5,087 measured perch, the median measured length was 7.5 cm.

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

See perch records across England →

Most recent observation9 May 2017Fertilizer Factory · 168 fish

Largest measured perch: 41.6 cm
Median length: 7.5 cm
Fish measured: 5,087
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
41.6 cm	8 Aug 2002	Fertilizer Factory	72180
40.4 cm	29 Jun 2010	Fertilizer Factory	123644
40 cm	25 Jun 2003	Fertilizer Factory	76958
37.4 cm	8 Aug 2002	Fertilizer Factory	72180
36.1 cm	25 Jun 2003	Fertilizer Factory	76958
35.8 cm	14 Jun 2005	Hardwick Ferry L/B	84878
35.2 cm	8 Aug 2002	Fertilizer Factory	72180
31.5 cm	14 Jun 2007	Fertilizer Factory	105521
31 cm	16 May 1994	Hardwick Ferry L/B	53270
29.7 cm	7 Aug 2002	Hardwick Ferry L/B	72171

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
Fertilizer Factory	26 Jun 1985	9 May 2017	18
Hardwick Ferry L/B	6 Jun 1985	27 Jun 2006	10
Pyewipe Inn	28 Jun 1985	20 Aug 1997	5
Burton Lane End (Burton Waters)	27 Jun 1985	19 Aug 1997	5
Drinsey Nook R/B	25 Jun 1985	12 Aug 1997	5

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

1985–2017

Survey records by year

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

585

086

087

588

089

090

591

092

093

594

095

096

597

098

099

000

001

202

203

204

205

206

107

108

109

110

111

112

013

114

015

016

117

Fish measured by surveyors

Measured length distribution

See how the 5,087 measured fish were spread across different length ranges.

Smallest: 3.3 cm
Lower quarter: 6.3 cm
Median: 7.5 cm
Upper quarter: 9.6 cm
Largest: 41.6 cm

0–99 mm

3947

100–199 mm

1092

200–299 mm

300–399 mm

400–499 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Fossdyke Navigation Canal

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

Common bream Roach Ruffe Pike Bleak 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 →