Perch · Perca fluviatilis

Perch in the Horsey Mere

Largest measured perch: 29.4 cm

The largest perch measured in Environment Agency surveys of the Horsey Mere was 29.4 cm, recorded at 77 on 23 September 1993.

Across 173 measured perch, the median measured length was 7.4 cm.

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

See perch records across England →

Most recent observation1 September 200578 · 2 fish

Largest measured perch: 29.4 cm
Median length: 7.4 cm
Fish measured: 173
Survey locations: 9

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
29.4 cm	23 Sept 1993	77	16991
27 cm	3 Sept 1998	83	17002
21.7 cm	2 Sept 1998	76	16995
17.8 cm	14 Sept 1998	79	16998
15.4 cm	23 Sept 1993	83	16992
15.1 cm	31 Aug 2005	77	85903
14.8 cm	23 Sept 1993	83	16992
14.7 cm	31 Aug 2005	77	85903
14.6 cm	23 Sept 1993	83	16992
14.5 cm	31 Aug 2005	77	85903

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
81	1 Sept 2005	1 Sept 2005	1
78	28 Aug 1998	1 Sept 2005	2
83	23 Sept 1993	31 Aug 2005	3
77	23 Sept 1993	31 Aug 2005	3
79	14 Sept 1998	14 Sept 1998	1
80	4 Sept 1998	4 Sept 1998	1
76	16 Oct 1986	2 Sept 1998	2
82	25 Aug 1998	25 Aug 1998	1
85	3 Oct 1989	22 Sept 1993	2

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

1986–2005

Survey records by year

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

186

087

088

189

090

091

092

393

094

095

096

097

798

099

000

001

002

003

004

405

Fish measured by surveyors

Measured length distribution

See how the 173 measured fish were spread across different length ranges.

Smallest: 5.8 cm
Lower quarter: 7.1 cm
Median: 7.4 cm
Upper quarter: 8.8 cm
Largest: 29.4 cm

0–99 mm

138

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Horsey Mere

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

Roach Flounder 3-spined stickleback Pike Common bream Common goby

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 →