Perch · Perca fluviatilis

Perch in the River Brain

Largest measured perch: 20.1 cm

The largest perch measured in Environment Agency surveys of the River Brain was 20.1 cm, recorded at Witham STW on 1 June 1990.

Across 37 measured perch, the median measured length was 12.1 cm.

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

See perch records across England →

Most recent observation24 September 1996Witham STW · 3 fish

Largest measured perch: 20.1 cm
Median length: 12.1 cm
Fish measured: 37
Survey locations: 2

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
20.1 cm	1 Jun 1990	Witham STW	14229
19.2 cm	24 Sept 1996	Witham STW	14243
18.9 cm	26 Sept 1984	Witham STW	14215
18.6 cm	24 Sept 1996	Witham STW	14243
16.1 cm	24 Sept 1996	Witham STW	14243
14.1 cm	4 Jun 1990	Witham Park	14230
13.9 cm	4 Jun 1990	Witham Park	14230
13.7 cm	1 Jun 1990	Witham STW	14229
13.6 cm	4 Jun 1990	Witham Park	14230
13.4 cm	4 Jun 1990	Witham Park	14230

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
Witham STW	26 Sept 1984	24 Sept 1996	4
Witham Park	4 Jun 1990	4 Jun 1990	1

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

1984–1996

Survey records by year

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

184

085

086

187

088

089

290

091

092

093

094

095

196

Fish measured by surveyors

Measured length distribution

See how the 37 measured fish were spread across different length ranges.

Smallest: 9 cm
Lower quarter: 11.3 cm
Median: 12.1 cm
Upper quarter: 13.4 cm
Largest: 20.1 cm

0–99 mm

100–199 mm

200–299 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the River Brain

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

Gudgeon Stone loach European eel Dace Roach Chub

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 →