RiverFish

Perch · Perca fluviatilis

Perch in the Testwood & Nursling Fishery

Largest measured perch: 21.5 cm

The largest perch measured in Environment Agency surveys of the Testwood & Nursling Fishery was 21.5 cm, recorded at Wirehouse stream - South Arm on 13 August 2025.

Across 6 measured perch, the median measured length was 19.4 cm.

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

See perch records across England →

Most recent observation13 August 2025Wirehouse stream - South Arm · 1 fish
Largest measured perch
21.5 cm
Median length
19.4 cm
Fish measured
6
Survey locations
3

Individual EA measurements

Largest measured perch

The largest individual measurements in this river and species dataset. Equal measurements are retained as separate surveyed fish.

LengthSurvey dateSurvey locationSurvey ID
21.5 cm13 Aug 2025Wirehouse stream - South Arm179212
20.4 cm12 Aug 2025Ghillies Run, Testwood179216
19.8 cm21 Aug 2024Wirehouse stream - North Arm166396
19.1 cm15 Oct 2018Wirehouse stream - South Arm153863
16.4 cm23 Aug 2023Wirehouse stream - North Arm163558
13.4 cm21 Aug 2024Wirehouse stream - South Arm166397

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 surveyedFirst recordedLast recordedVisits finding perch
Wirehouse stream - South Arm15 Oct 201813 Aug 20253
Ghillies Run, Testwood12 Aug 202512 Aug 20251
Wirehouse stream - North Arm23 Aug 202321 Aug 20242

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

2018–2025

Survey records by year

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

Fish measured by surveyors

Measured length distribution

See how the 6 measured fish were spread across different length ranges.

Smallest
13.4 cm
Lower quarter
17.1 cm
Median
19.5 cm
Upper quarter
20.3 cm
Largest
21.5 cm

Lengths are direct survey measurements rather than anglers’ catches.

More fish in this river

Explore the Testwood & Nursling Fishery

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

European eel Brook lamprey Bullhead Atlantic salmon Flounder 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 →