Perch · Perca fluviatilis

Perch in the Long Eau Riffles

Largest measured perch: 25 cm

The largest perch measured in Environment Agency surveys of the Long Eau Riffles was 25 cm, recorded at No Name - LIN13X on 19 September 1996.

Across 74 measured perch, the median measured length was 12.5 cm.

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

See perch records across England →

Most recent observation20 September 1996No Name - LIN11X · 1 fish

Largest measured perch: 25 cm
Median length: 12.5 cm
Fish measured: 74
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
25 cm	19 Sept 1996	No Name - LIN13X	69647
23.8 cm	30 Aug 1995	No Name - LIN11X	69625
21.6 cm	20 Sept 1996	No Name - LIN11X	69645
14.1 cm	19 Aug 1994	No Name - LIN11X	69584
14.1 cm	19 Aug 1994	No Name - LIN12X	69585
14 cm	19 Aug 1994	No Name - LIN11X	69584
13.9 cm	19 Aug 1994	No Name - LIN11X	69584
13.9 cm	19 Aug 1994	No Name - LIN11X	69584
13.7 cm	22 Aug 1994	No Name - LIN15X	69588
13.5 cm	22 Aug 1994	No Name - LIN14X	69587

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
No Name - LIN11X	19 Aug 1994	20 Sept 1996	3
No Name - LIN13X	22 Aug 1994	19 Sept 1996	3
No Name - LIN15X	22 Aug 1994	22 Aug 1994	1
No Name - LIN14X	22 Aug 1994	22 Aug 1994	1
No Name - LIN12X	19 Aug 1994	19 Aug 1994	1

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

1994–1996

Survey records by year

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

594

295

296

Fish measured by surveyors

Measured length distribution

See how the 74 measured fish were spread across different length ranges.

Smallest: 7.1 cm
Lower quarter: 11.7 cm
Median: 12.5 cm
Upper quarter: 13.2 cm
Largest: 25 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 Long Eau Riffles

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

Roach 3-spined stickleback Stone loach Dace 10-spined stickleback Pike

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 →