Perch · Perca fluviatilis

Perch in the Holland Brook (Main Reaches)

Largest measured perch: 31 cm

The largest perch measured in Environment Agency surveys of the Holland Brook (Main Reaches) was 31 cm, recorded at Sladburys on 25 November 1999.

Across 158 measured perch, the median measured length was 10.3 cm.

RiverFish uses Environment Agency survey measurements rather than rod-and-line angling records. These figures show fish measured during EA surveys of the Holland Brook (Main Reaches).

See perch records across England →

Most recent observation30 November 1999Thorpe STW · 13 fish

Largest measured perch: 31 cm
Median length: 10.3 cm
Fish measured: 158
Survey locations: 7

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
31 cm	25 Nov 1999	Sladburys	14645
19.1 cm	29 Nov 1999	Fan Bridge	14646
18.9 cm	29 Nov 1999	Fan Bridge	14646
18.1 cm	29 Nov 1999	Fan Bridge	14646
18 cm	29 Nov 1999	Fan Bridge	14646
17.2 cm	29 Nov 1999	Fan Bridge	14646
17.2 cm	29 Nov 1999	Fan Bridge	14646
17.1 cm	29 Nov 1999	Fan Bridge	14646
17.1 cm	22 Nov 1999	Holland Bridge	14644
17.1 cm	15 Nov 1999	Thorpe Park	14648

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
Thorpe STW	16 Oct 1996	30 Nov 1999	2
Fan Bridge	14 Oct 1996	29 Nov 1999	2
Sladburys	25 Nov 1999	25 Nov 1999	1
Holland Bridge	10 Nov 1987	22 Nov 1999	3
Thorpe Park	10 Dec 1987	15 Nov 1999	2
Railway Bridge	15 Oct 1996	15 Nov 1999	2
Clacton STW	9 Oct 1996	9 Oct 1996	1

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

1987–1999

Survey records by year

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

287

088

089

090

091

092

093

094

095

596

097

098

699

Fish measured by surveyors

Measured length distribution

See how the 158 measured fish were spread across different length ranges.

Smallest: 4.3 cm
Lower quarter: 9.8 cm
Median: 10.3 cm
Upper quarter: 13.7 cm
Largest: 31 cm

0–99 mm

100–199 mm

102

300–399 mm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Holland Brook (Main Reaches)

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

European eel Roach Rudd Tench Common carp Flounder

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 →